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531370-1_A
THANK YOU!
Thank you for choosing Humminbird®, America's #1 name in fishfinders.
Humminbird® has built its reputation by designing and manufacturing top-quality,
thoroughly reliable marine equipment. Your Humminbird® is designed for trouble-free
use in even the harshest marine environment. In the unlikely event that your
Humminbird® does require repairs, we offer an exclusive Service Policy - free of charge
during the first year after purchase, and available at a reasonable rate after the oneyear period. For complete details, see the Warranty section in this manual. We
encourage you to read this installation and operations manual carefully in order to get
full benefit from all the features and applications of your Humminbird® product.
Contact our Customer Resource Center at either 1-800-633-1468 or visit our website at
www.humminbird.com.
WARNING! This device should not be used as a navigational aid to prevent collision,
grounding, boat damage, or personal injury. When the boat is moving, water depth may
change too quickly to allow time for you to react. Always operate the boat at very slow
speeds if you suspect shallow water or submerged objects.
WARNING! Disassembly and repair of this electronic unit should only be performed by
authorized service personnel. Any modification of the serial number or attempt to repair the
original equipment or accessories by unauthorized individuals will void the warranty.
Handling and/or opening this unit may result in exposure to lead, in the form of solder.
WARNING! This product contains lead, a chemical known to the state of California to cause
cancer, birth defects and other reproductive harm.
DualBeam PLUS™, Fish ID+™, Humminbird®, HumminbirdPC™, RTS® Window, SmartCast®, WhiteLine®,
X-Press™ Menu, Structure ID®, and WeatherSense® are trademarked by or registered trademarks of
Humminbird®.
© 2005 Humminbird®, Eufaula AL, USA. All rights reserved.
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TABLE OF CONTENTS
900 Series™ Introduction
1
Key Functions
How the 900 Series™ Works .................................................................................................................... 1
Single Beam Sonar ........................................................................................................................................ 1
DualBeam PLUS™ Sonar ............................................................................................................................ 1
GPS and Cartography (937c DF Combo and 937c Combo models only) ............................................ 2
Multi-Media Card (MMC)/SD Slot............................................................................................................ 2
Accessory Bus.................................................................................................................................................. 3
Installation Overview
Control Head Installation
3
4
Gimbal Mounting the Control Head ...................................................................................................... 4
In-Dash Mounting the Control Head ...................................................................................................... 8
Connecting the Control Head Power Cable to the Boat ................................................................ 10
Transducer Installation
Views
32
Views and Readouts .................................................................................................................................. 32
Sonar View .................................................................................................................................................... 33
Sonar Zoom View........................................................................................................................................ 33
Split Sonar View (937c DF Combo and 931c DF models only) ............................................................ 34
Bird’s Eye View (937c DF Combo and 937c Combo models only) ...................................................... 35
Chart/Bird’s Eye Combo View (937c DF Combo and 937c Combo models only) .......................... 36
Chart View (937c DF Combo and 937c Combo models only) .............................................................. 36
Chart/Sonar Combo View (937c DF Combo and 937c Combo models only) ................................ 37
Chart Orientation ...................................................................................................................................... 38
Viewing Cartography (937c DF Combo and 937c Combo models only)
38
10
Transom Transducer Installation ............................................................................................................ 11
Inside the Hull Transducer Installation ................................................................................................ 17
Trolling Motor Transducer Installation ................................................................................................ 19
Test and Finish the Transducer Installation ...................................................................................... 19
GPS Receiver Installation (937c DF Combo and 937c Combo models only)
20
Stem Mounting with an Existing 1" - 14 Thread Stem.................................................................... 20
Access Under Mounting Location .......................................................................................................... 21
No Access Under Mounting Location .................................................................................................. 22
Finish Routing the Cable and Check GPS Receiver Operation...................................................... 22
Speed Accessory Installation
Testing the System Installation
Getting Started - Using Your 900 Series™
29
POWER/LIGHT Key .................................................................................................................................... 29
VIEW Key........................................................................................................................................................ 30
MENU Key .................................................................................................................................................... 30
4-WAY Cursor Control Key ........................................................................................................................ 30
View Preset Keys.......................................................................................................................................... 31
EXIT Key .......................................................................................................................................................... 31
INFO Key (937c DF Combo and 937c Combo models only) .................................................................. 31
MARK/GOTO Key (937c DF Combo and 937c Combo models only) .................................................. 31
ZOOM (+/- Key) (937c DF Combo and 937c Combo models only)...................................................... 31
Navigation (937c DF Combo and 937c Combo models only)
39
Waypoints, Routes and Tracks................................................................................................................ 40
Save, Edit, or Delete a Waypoint .......................................................................................................... 40
Navigate to a Waypoint or Position ...................................................................................................... 41
Add a Waypoint Target or Trolling Grid .............................................................................................. 42
Save, Edit or Delete a Route .................................................................................................................... 43
Save or Clear a Current Track .................................................................................................................. 43
Edit, Delete or Hide Saved Tracks .......................................................................................................... 43
23
25
26
Powering Up the Control Head ............................................................................................................ 26
What’s on the Sonar Display .................................................................................................................. 27
Understanding Sonar History ................................................................................................................ 28
Real Time Sonar (RTS®) Window .......................................................................................................... 28
Bottom Presentation.................................................................................................................................. 28
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TABLE OF CONTENTS
The Menu System
Start-Up Options Menu
44
45
Real Time Sonar (RTS®) Window............................................................................................................ 57
Bottom View ................................................................................................................................................ 57
Zoom Width (Sonar Zoom View only) .................................................................................................... 57
50 kHz Sensitivity (Advanced, 937c DF Combo and 931c DF models only)...................................... 58
Depth Lines (Advanced).............................................................................................................................. 58
Surface Clutter (Advanced) ........................................................................................................................ 58
Noise Filter (Advanced) .............................................................................................................................. 58
Max Depth (Advanced) .............................................................................................................................. 59
Water Type (Advanced) .............................................................................................................................. 59
Transducer Select........................................................................................................................................ 59
Color Bar ........................................................................................................................................................ 60
Temperature (Sonar View only, with Temperature input) ................................................................ 60
Navigation Menu Tab (937c DF Combo and 937c Combo models only)
60
Tracks .............................................................................................................................................................. 61
Waypoints...................................................................................................................................................... 61
Routes.............................................................................................................................................................. 61
Chart Orientation........................................................................................................................................ 62
North Reference .......................................................................................................................................... 62
Trolling Grid Rotation ................................................................................................................................ 62
Trackpoint Interval...................................................................................................................................... 62
Track Min Distance (Advanced)................................................................................................................ 62
Map Datum (Advanced) ............................................................................................................................ 63
Export All Nav Data (Advanced) .............................................................................................................. 63
Delete All Nav Data (Advanced) .............................................................................................................. 63
Chart Menu Tab (937c DF Combo and 937c Combo models only)
64
Chart Detail Level........................................................................................................................................ 64
Map Borders ................................................................................................................................................ 64
Lat/Lon Grid.................................................................................................................................................. 65
Spot Soundings............................................................................................................................................ 65
Shaded Depth .............................................................................................................................................. 65
Set Simulation Position (Advanced) ...................................................................................................... 65
Set Map Offset (Advanced) ...................................................................................................................... 66
Clear Map Offset (Advanced) .................................................................................................................. 66
Normal Operation ...................................................................................................................................... 46
Simulator ...................................................................................................................................................... 46
System Status .............................................................................................................................................. 47
Self Test .......................................................................................................................................................... 47
Accessory Test .............................................................................................................................................. 47
GPS Diagnostic View (937c DF Combo and 937c Combo models only) .......................................... 47
Sonar X-Press™ Menu
48
Active Side .................................................................................................................................................... 49
Split Position ................................................................................................................................................ 49
Sensitivity .................................................................................................................................................... 49
Upper Range (Advanced: Sonar, Split Sonar and Active Sonar Side Views only) ............................ 50
Lower Range ................................................................................................................................................ 50
Chart Speed .................................................................................................................................................. 51
Zoom Level (Sonar Zoom View only) ........................................................................................................ 51
Bottom Lock (Sonar Zoom View only) .................................................................................................... 51
Sonar Colors .................................................................................................................................................. 51
Navigation X-Press™ Menu (937c DF Combo and 937c Combo models only)
52
Active Side .................................................................................................................................................... 52
Split Position ................................................................................................................................................ 52
Save Current Track ...................................................................................................................................... 53
Clear Current Track...................................................................................................................................... 53
Save Current Route (Only when navigating) ........................................................................................ 53
Skip Next Waypoint (Only when navigating) ...................................................................................... 53
Cancel Navigation (Only when navigating) .......................................................................................... 54
Remove Target (Only if a Target is active) .............................................................................................. 54
Remove Grid (Only if a Grid is active) ...................................................................................................... 54
Sonar Menu Tab
55
Beam Select (937c DF Combo and 931c DF models only) .................................................................... 55
Fish ID+™........................................................................................................................................................ 56
Fish ID Sensitivity........................................................................................................................................ 56
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TABLE OF CONTENTS
Alarms Menu Tab
66
Accessories Menu Tab
Troubleshooting
Depth Alarm ................................................................................................................................................ 67
Fish ID Alarm ................................................................................................................................................ 67
Low Battery Alarm ...................................................................................................................................... 67
Temp Alarm .................................................................................................................................................. 67
Off Course Alarm (937c DF Combo and 937c Combo models only).................................................. 68
Arrival Alarm (937c DF Combo and 937c Combo models only).......................................................... 68
Drift Alarm (937c DF Combo and 937c Combo models only).............................................................. 68
Alarm Tone.................................................................................................................................................... 69
Setup Menu Tab
900 Series™ Doesn’t Power Up.............................................................................................................. 78
900 Series™ Defaults to Simulator with a Transducer Attached................................................ 78
Display Problems ........................................................................................................................................ 79
Finding the Cause of Noise...................................................................................................................... 80
1-Year Limited Warranty
Humminbird® Service Policy
900 Series™ Accessories
Specifications
Appendix A - Transducer Mounting Template (Single Frequency: XHS-9-20-T)
Appendix B - Transducer Mounting Template (Dual Frequency: XHS-9-DB-74-T)
Contact Humminbird®
70
Units - Depth ................................................................................................................................................ 70
Units - Temp (International only) ............................................................................................................ 70
Units - Distance (With Speed input only) ................................................................................................ 71
Units - Speed (With Speed input only) .................................................................................................... 71
User Mode...................................................................................................................................................... 71
Language (International only) .................................................................................................................... 71
Triplog Reset (With Speed input only) .................................................................................................... 72
Restore Defaults .......................................................................................................................................... 72
Select Readouts (Advanced) ...................................................................................................................... 72
Depth Offset (Advanced) ............................................................................................................................ 74
Temp Offset (Advanced) ............................................................................................................................ 74
Speed Calibration (Advanced, with Speed paddlewheel only) .......................................................... 74
Local Time Zone (Advanced, 937c DF Combo and 937c Combo models only) ................................ 74
Daylight Saving Time (Advanced, 937c DF Combo and 937c Combo models only) ...................... 75
Position Format (Advanced, 937c DF Combo and 937c Combo models only) ................................ 75
Time Format (Advanced, 937c DF Combo and 937c Combo Models, International only) ............ 75
Date Format (Advanced, 937c DF Combo and 937c Combo Models, International only) .............. 75
NMEA Output (Advanced) ........................................................................................................................ 76
Sonar (937c DF Combo and 937c Combo models only) ........................................................................ 76
Views Menu Tab
77
78
81
81
82
83
84
85
86
NOTE: Entries in this Table of Contents which list (International Only) are only available on
products sold outside of the US and Canada by our authorized International Distributors.
To obtain a list of authorized International Distributors, please visit our website at
www.humminbird.com or contact our Customer Resource Center at 1-800-633-1468 to
locate the distributor nearest you.
NOTE: Entries in this Table of Contents which list (with Speed Input) or (with Temperature
Input) may require the purchase of separate accessories. You can visit our website at
www.humminbird.com to order these accessories online or contact our Customer Resource
Center at 1-800-633-1468.
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900 SERIES™ INTRODUCTION
SINGLE BEAM SONAR
Your 900 Series™ Ultra Wide Screen Fishing System comes in several different
configurations. See the following list of products, all of which are covered by this
manual, to find your 900 Series™ configuration:
Your 900 Series™ 937c Combo and 931c use a 200 kHz single
beam sonar system with a 20° area of coverage. Depth
capability is affected by such factors as boat speed, wave
action, bottom hardness, water conditions and transducer
installation.
NOTE: Only 937c DF Combo and 937c Combo models come with GPS and built-in
cartography.
NOTE: The 937c Combo and 931c models use single beam transducers, but may be upgraded
to dual beam functionality with the purchase and installation of a dual beam transducer.
Contact our Customer Resource Center at either 1-800-633-1468 or visit our website at
www.humminbird.com for more information.
• Humminbird® 931c: Ultra Wide Screen Fishing System with Single Frequency
200 kHz Transducer, optional GPS support
• Humminbird® 931c DF: Ultra Wide Screen Fishing System with Dual Frequency
200 kHz and 50 kHz Transducer, optional GPS support
• Humminbird® 937c Combo: Ultra Wide Screen Fishing System with Chartplotter
(Maps) and Single Frequency 200 kHz Transducer, GPS Receiver included
• Humminbird® 937c DF Combo: Ultra Wide Screen Fishing System with
Chartplotter (Maps) and Dual Frequency 200 kHz and 50 kHz Transducer, GPS
Receiver included.
NOTE: Your Single frequency (937c Combo or 931c model) 900 Series™ unit was shipped
from the factory with a Dual frequency software configuration. Before trying to operate
your unit, you will need to set your 900 Series™ to Single Beam in order for it to work
properly. See Sonar Menu Tab: Transducer Select for more information.
DUALBEAM PLUS™ SONAR
Your 900 Series™ 937c DF Combo and 931c DF are shipped
with a 200/50 kHz DualBeam PLUS™ sonar system with a
wide (74°) area of coverage. DualBeam PLUS™ sonar returns
can be blended together, viewed separately or compared
side-by-side. DualBeam PLUS™ is ideal for a wide range of
conditions -- from shallow to very deep water, in both fresh
and salt water. Depth capability is affected by such factors as
boat speed, wave action, bottom hardness, water conditions
and transducer installation.
HOW THE 900 SERIES™ WORKS
Sonar technology is based on sound waves. The 900 Series™ Fishing System uses
sonar to locate and define structure, bottom contour and composition, as well as
depth directly below the transducer. Your 900 Series™ Fishing System sends a sound
wave signal and determines distance by measuring the time between the
transmission of the sound wave and when the sound wave is reflected off of an object;
it then uses the reflected signal to interpret location, size, and composition of an
object. Sonar is very fast. A sound wave can travel from the surface to a depth of 240
ft (70 m) and back again in less than ¼ of a second. It is unlikely that your boat can
"outrun" this sonar signal.
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GPS AND CARTOGRAPHY
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Your 937c DF Combo and 937c Combo models use the GPS Receiver to determine the
position of the boat automatically, and uses the zoom level settings on a particular
view to select the best chart to display. See Viewing Cartography for more information.
(with 937c DF Combo and 937c Combo models only)
The 937c DF Combo and 937c Combo models use GPS and sonar to determine your
position, display it on a grid, and provide detailed underwater information. The Global
Positioning System (GPS) is a satellite navigation system designed and maintained by
the U.S. Department of Defense. GPS was originally intended for military use; however,
civilians may also take advantage of its highly accurate position capabilities, typically
within +/- 10 meters, depending on conditions. This means that 95% of the time, the
GPS receiver will read a location within 10 meters of your actual position. The GPS
Receiver also uses information from WAAS (the Wide Area Augmentation System),
EGNOS (the European Geostationary Navigation Overlay Service), and MSAS (the
MTSAT Satellite Augmentation System) satellites if they are available in your area.
MULTI-MEDIA CARD (MMC)/SD SLOT
GPS uses a constellation of satellites that continually send radio signals to the earth.
Your present position is determined by receiving signals from up to 12 satellites and
measuring the distance from the satellites. The GPS Receiver, when attached to your
937c DF Combo or 937c Combo model, allows you to combine easy-to-use FishingGPS™
chartplotter and navigation capabilities with advanced fishfinding. The following GPS
functionality is currently supported by the 937c DF Combo and 937c Combo models
when it is connected to a GPS Receiver:
•
•
•
•
•
Multi-Media Card
(MMC/SD) Slot
The 900 Series™ 937c DF Combo and 937c Combo models
support cartography, and have two multi-media card
(MMC)/SD slots. Optional-purchase MMC and/or SD cards
can contain additional detailed maps. You can also export
navigation data from your unit onto an MMC/SD card (see
Navigation Main Menu: Export All Nav Data). If you insert
an MMC or SD card that contains a more detailed chart for
a particular location, your unit will retrieve that chart and
display it automatically.
931c DF and 931c models have one MMC/SD slot and do
not support cartography.
On any model, use the MMC/SD cards to update the software version of your control
head. To update the software in your control head, plug in the appropriate MMC/SD
card that contains a software update file; the unit will recognize it, will tell you what
software version your control head is currently running, and will ask you if you want to
update the software in the unit to match that on the MMC/SD card. You can obtain
software updates from the www.humminbird.com website.
View current position
View current track (breadcrumb trail)
View precision speed and heading from your GPS receiver
Save tracks, waypoints and routes
Travel a route and navigate from one waypoint to the next.
Use the illustration to locate the position of the MMC and SD slot cover, remove the
cover, and then insert an MMC and/or an SD card into one or both slots - either slot
can accept either an MMC or an SD card. The label on both types of cards should face
down and away from you so that you’re looking at the back of the card. Press down
on the card until it clicks into place, then replace the slot cover and tighten the screw
snugly - do NOT overtighten, as this will not improve water resistance, and may
damage the cover.
NOTE: Only the 937c DF Combo and 937c Combo models support Navionics® Gold Charts
marine cartography and Navionics® HotMaps™ 2004 Gold for inland fishing. The 900
Series™ does not support Navionics® Classic Charts.
The 937c DF Combo and 937c Combo models also come with a built-in World map with a
more detailed map of North America (Domestic models) or a more detailed map of
Europe and Southeast Asia, including Australia and New Zealand (International models).
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ACCESSORY BUS
Accessory Bus
The 900 Series™ has a wide variety of configurations.
Use the Accessory Bus to expand the functionality of
your 900 Series™. Accessories plug directly into the
900 Series™, enabling Advanced features such as
WeatherSense® and the SmartCast® Wireless Sonar
Link. Additional tabs and menu choices will be added
to the menu system automatically when an accessory
is plugged into the unit. In addition, multiple
accessories can be attached simultaneously. See
Accessories Menu Tab and 900 Series™ Accessories in
this manual, as well as your accessory Operations
Manual for additional details.
987c
2
NOTE: Accessories to enable WeatherSense® and the SmartCast® Wireless Sonar Link require
separate purchases. You can visit our website at www.humminbird.com or contact our
Customer Resource Center at 1-800-633-1468 for additional details.
1
3
INSTALLATION OVERVIEW
4
Please read all instructions that are relevant for your configuration before beginning
the installation process.
9
5
NOTE: Installation procedures will depend on product configuration.
7
8
6
Accessory Bus
1
2
3
4
5
3
Sonar Transducer w/Temperature
Optional “Y” Cable
NMEA 0183
Power
Temperature
Speed through water 6
GPS Receiver 7
WeatherSense® 8
SmartCast® Wireless Sonar Link 9
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GIMBAL MOUNTING THE CONTROL HEAD
Inside the boat there is often a channel or conduit used for other wiring, this can be
used to route cables. Be sure to route the cable as far as practical from the antenna
cable of VHF radios or tachometer cables to reduce the possibility of interference. The
transducer and GPS receiver cables should not be cut, and care should be used not to
damage the cable insulation.
If you are gimbal mounting the Humminbird® 900 Series™, you can pre-assemble the
unit in order to plan the best mounting location.
Basic installation tasks that you must perform include:
4
• Installing the control head (choosing either gimbal or in-dash mounting)
• Installing the transducer (choosing either the transom mount, inside the hull
mount, or trolling motor mounting method)
• Installing the GPS Receiver (if included)
• Installing the Speed accessory (if included)
• Testing the complete installation and locking the transducer position.
1
2
The supplied Humminbird® transducer uses a two piece kick-up mounting bracket. In
addition, if you purchased a 937c DF Combo or 937c Combo model, you will want to
install the included GPS antenna.
3
1
2
3
4
NOTE: Accessories may require a separate purchase. You can visit our website at
www.humminbird.com to order these accessories online or contact our Customer Resource
Center at 1-800-633-1468.
CONTROL HEAD INSTALLATION
Washer
Gimbal Knob
Gimbal Bracket
Expansion ports - use for future accessories
Parts and tools specific to gimbal mounting are:
You have two choices for mounting your 900 Series™ control head:
•
•
•
•
•
•
• Gimbal mounting, where you use a surface on the boat, such as the dash, to
mount the control head so that it can be tilted up or down, or
• In-dash mounting, where you cut a hole in the dash in order to allow the control
head to be recessed into the dash, and the control head cannot be moved after
mounting.
4
Gimbal mounting bracket and screws
Gimbal mounting knobs and washers
Phillips head screwdriver
5/16" socket wrench or flat head screw driver
Hand drill with various drill bits
Marine-grade silicone sealant.
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1. Place the control head into the gimbal bracket. Make sure that the straight side
of the gimbal arm is against the back side of the control head.
8.5"
2. Place a 1" (25 mm) diameter black washer on the gimbal knob and then thread
the knob and washer into the housing. Tighten the gimbal knob to secure the
900 Series™ control head to the mount. Repeat step 2 for the other side.
5"
3.6"
You can now place the control head in various locations to decide which is best for
mounting. Rotating the mounting bracket to the top of the control head will allow for
overhead mounting. The chosen mounting area should allow for sufficient room so
the control head can pivot through the full tilt range and allow for easy removal and
installation.
1.25"
NOTE: You can drill the cable pass hole underneath the gimbal bracket, allowing you to
thread the cables through the knock-out holes in the mount; however, if you cannot drill the
hole directly under the mounting bracket, then you will need to drill the cable pass hole
behind the bracket, and will need to mount the hole cover there instead.
NOTE: When drilling holes in fiberglass hulls, it is best to start with a smaller bit and use
progressively larger drill bits to reduce the chance of chipping or flaking the outer coating.
Fill all holes with marine grade silicone sealant.
1
NOTE: You must have underside access to the mounting location to pass the cables through to
the surface. Also, make sure that the mounting surface is adequately supported to protect the
control head from excessive wave shock and vibration and provide visibility while in operation.
2
3. After the mounting location has been determined, loosen the gimbal knobs and
remove the control head from the gimbal bracket.
3
NOTE: Alternate hole patterns are available underneath the gimbal mounting bracket, and
may match existing holes on the boat. If you choose to use one of these alternate hole
patterns, simply drill it out and use it to mount the bracket instead.
4. Place the gimbal bracket in the chosen position on the mounting surface and
mark the four mounting screw locations using a pencil or center punch.
1 Mounting Screws
2 Washer
3 Gimbal Mounting Bracket
NOTE: Go to the installation instructions applicable to your transducer, GPS Receiver
and accessories. Make the required installations and then run the cables to your control
head mounting location. Do not cut any cabling (except the power cable). If your cables
are too short, extensions are available from your local dealer or online from
www.humminbird.com.
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5. Set the gimbal bracket aside and drill the four mounting screw holes using a
5/32" (4.0 mm) drill bit.
Cables Routed Directly Beneath Mounting Bracket
1
6a. If the cables must pass through a hole directly beneath the mounting bracket,
mark and drill an additional 1" (25 mm) hole centered between the four
mounting holes. Route the cables through the grommet, then press the grommet in place around the cables and into the 1" (25 mm) hole. Pass the cables out
of the back of the mounting bracket. Using needle-nose pliers, break out the
tabs on the rear of the mounting base. You will need to break out the cable tabs
for the number of cables you want to run to your control head.
6b. If the cables cannot be routed directly beneath the mounting bracket, mark and
drill a 1" (25 mm) hole that will allow you to run the cables close to the bracket.
Pass the cables through the 1" (25 mm) hole, routing the cables through the
grommet and pressing the grommet into place. Place the hole cover over the
mounting surface hole, then use it to mark the position of the two mounting
screws. Remove the hole cover, drill the two mounting holes using a 9/64"
(3.5 mm) bit, fill them with marine-grade silicone, then replace the hole cover
and insert the #8 Phillips countersink wood screws. Hand-tighten only.
1 Gimbal Bracket
2 Grommet
2
Cables Routed Near Mounting Bracket
1
3
7. Place the mounting bracket on the mounting surface aligned with the drilled
holes and fill the mounting holes with marine grade silicone. Insert the four #10
Slotted-Hex wood screws into the mounting holes. Hand-tighten only.
1 Gimbal Bracket
2 Grommet
3 Hole Cover
NOTE: Be sure that the cables pass through the slots on the hole cover or gimbal bracket
break out tabs and there is enough cable slack to allow for the control head to pivot through
its full tilt range. Extra cable slack will also help when connecting/disconnecting the cables.
2
8. Insert cable connectors into the proper recesses on the cable collector insert.
The cable connectors are keyed to prevent reverse installation, so be careful not
to force the connectors into the wrong slots. If you don’t have a cable for every
hole in the insert, install the blank plugs to protect the control head from the
weather.
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Plug Cable Connector Assembly to
Back of Control Head
4
Power
Speed
5
9. While holding cables in place in the cable
collector insert, thread the cables through
the slot in the bottom of the cable collector
cover, line up the cable collector insert and
cover, then slide the cover into place on the
insert.
NOTE: The tab on the Cable Collector insert goes
into the slot on the cover.
Communications
Transducer
Cable Collector Insert
2
10. Attach the cable collector insert to the cable collector cover using the 2 Phillip
screws provided.
1
11. Place the control head back onto the mounting bracket. Plug in the cable
collector assembly to the back of the control head. Cable connectors and cable
sockets are keyed to prevent reverse installation, so be careful not to force the
connectors into the wrong sockets. Once the cable collector and all cables are
plugged into the back of the control head, lock the assembly into place by
threading the knurled screw into the threaded insert on the back of the housing.
Adjust the control head to the desired viewing angle and secure by tightening
the gimbal knobs.
4
5
NOTE: You may wish to dress the cabling with nylon wire ties in order to hold the cables
together and create a cleaner assembly.
3
1
2
3
4
5
The Humminbird® 900 Series™ control head is now ready for operation.
Cable Collector Insert
Screws
Cable Collector Cover
Tab on Insert
Slot on Cover
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IN-DASH MOUNTING THE CONTROL HEAD
8
If you are in-dash mounting the control head, start by placing the components on the
surfaces where you intend to install them before installation. Make sure that the
surfaces you have chosen provide adequate protection from wave shock, and that all
cables can reach the control head.
1
3
NOTE: If a cable is too short for your application, extension cables are available. Call
Humminbird® Customer Support at 1-800-633-1468 for more information.
2
Parts and tools specific to In-dash mounting are:
•
•
•
•
•
In-dash mount bracket and threaded rods
In-dash mounting foam pads
In-dash mounting template
Reciprocating saw for cutting dash material
Masking tape to hold mounting template in place.
7
1
2
3
4
5
6
7
8
1. Locate a suitable, flat area of the dash to mount the control head. The control
head requires a depth of at least 3 ½ inches.
2. Tape the paper In-Dash Mounting template to the desired in-dash mounting
location.
Foam Pads
4
In-Dash Bracket
Cut Away Dash
6
5
Washers
Wing Nut
Threaded Rod
Threaded Insert
Expansion ports - use for future accessories
5. Insert the control head through the mounting hole from the front side of the
dash. From the back side of the dash, align the two threaded rods on the rear of
the housing with the two holes on the in-dash mounting bracket. Place a
washer onto each threaded rod, then secure bracket by placing a wing nut onto
each threaded rod and tighten fully.
3. At a location inside the dotted line on the template, drill a hole large enough to insert
blade of reciprocating saw. Carefully begin cutting toward the dotted line, then
follow the dotted line around the template. Remove the template when finished.
4. Insert and tighten the two threaded rods into the two threaded inserts located
on the back side of the control head. Peel off the adhesive-backed foam pads and
place them on the back of the control head; make sure you notice the difference
between the longer top/bottom and shorter side pads.
6. Insert cable connectors into the proper recesses on the cable collector insert.
The cable connectors are keyed to prevent reverse installation, so be careful not
to force the connectors into the wrong slots. If you don’t have a cable for every
hole in the insert, install the blank plugs to protect the unit from the weather.
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7. While holding cables in place in the cable collector insert, thread the cables
through the slot in the bottom of the cable collector cover, line up the cable
collector insert and cover, then slide the cover into place on the insert.
1
2
3
4
NOTE: The tab on the cable collector insert goes into the slot on the cover.
1
2
3
4
5
8. Attach the cable collector insert to the cable collector cover using the 2 Phillip
screws provided.
9. Plug the cable collector assembly into the back of the control head. Cable
connectors and cable sockets are keyed to prevent reverse installation, so be
careful not to force the connectors into the wrong sockets. Once the cable
collector and all cables are plugged into the back of the control head, lock the
assembly into place by threading the knurled screw into the threaded insert on
the back of the housing. (Cable ties are provided to help you secure the cables in
place by threading them through the available holes on the in-dash bracket).
Power
Temperature
5
Communications
Transducer
Cable Collector Insert
2
1
NOTE: It is very important that the cable collector is used and secured in place in the In-Dash
installation.
4
Plug Cable Connector Assembly to
Back of Control Head
5
3
9
1
2
3
4
5
Cable Collector Insert
Screws
Cable Collector Cover
Tab on Insert
Slot on Cover
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CONNECTING THE CONTROL HEAD POWER CABLE TO THE BOAT
TRANSDUCER INSTALLATION
A 6' (2 m) long power cable is included to supply power to the control head. You may
shorten or lengthen the cable using 18 gauge multi-stranded copper wire.
There are three different installation methods for your transducer:
• Transom Transducer
• Inside the Hull Transducer
• Trolling Motor Transducer.
CAUTION: Some boats have 24 or 36 Volt electric systems, but the control head MUST be
connected to a 12 VDC power supply.
The control head power cable can be connected to the electrical system of the boat at one
of two places: a fuse panel usually located near the console, or directly to the battery.
Find the section that describes the method of installation you will be using.
POSITIVE
NOTE: If the included transducer will not work for your application, you may exchange it,
NEW and UNASSEMBLED, with mounting hardware included, for a transducer appropriate
for your application - often at very little or no charge, depending on the transducer. Call the
Humminbird® Customer Resource Center (1-800-633-1468) for details and pricing, or visit
www.humminbird.com, Product Support/Transducer Exchange for more information.
NOTE: Due to the wide variety of hulls, only general instructions are presented in this
installation guide. Each boat hull represents a unique set of requirements that should be
evaluated prior to installation. In addition to the parts supplied, you will need a hand drill
with various bits, a socket wrench (7/16" or 5/16", depending on transducer type), a Phillips
head screwdriver, and marine-grade silicone sealant.
GROUND
NOTE: Make sure that the power cable is disconnected from the control head at the
beginning of this procedure.
NOTE: When drilling holes in fiberglass hulls, it is best to start with a smaller bit and use
progressively larger drill bits to reduce the chance of chipping or flaking the outer coating.
Fill all holes with marine grade silicone sealant.
1a. If a fuse terminal is available, use crimp-on type electrical connectors (not
included) that match the terminal on the fuse panel. Attach the black wire to
ground (-), and the red wire to positive (+) 12 VDC power.
WARNING: Do not touch an active transducer during operation, as this may cause physical
discomfort and may result in personal injury in the form of tissue damage. Handle the
transducer only when the power to the control head is off.
1b. If you need to wire the control head directly to a battery, obtain and install an
inline fuse holder and a 2.5 to 3 Amp fuse (not included) for the protection of the
unit. Humminbird® is not responsible for over-voltage or over-current failures.
NOTE: In order to minimize the potential for interference with other marine electronics, a
separate power source (such as a second battery) may be necessary.
You are now ready to install the transducer. Find the section that refers to your specific
transducer installation method.
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To determine transducer mounting location:
TRANSOM TRANSDUCER INSTALLATION
If you will be installing a transom mounted transducer, use the procedures in this section.
You will have one of two different types of transducer, based on whether you have a Single
(931c or 937c Combo) or a Dual (931c DF or 937c DF Combo) frequency 900 Series™ control
head. There are two pieces to the transducer mount assembly: the pivot, and the bracket.
The Single frequency transducer comes with a two-piece plastic bracket assembly, while
the Dual frequency transducer comes with a two-piece metal and plastic bracket assembly.
Find the correct procedures for your transducer type. There are several procedures you will
have to perform in order to install a transom-mounted transducer. They are:
NOTE: If transom mounting is not possible because of a stepped hull or cavitation noise, and
you have a single layer fiberglass hull, In-hull installation is an option. See Inside the Hull
Transducer Installation for more information.
1. First, determine the best location on the transom to install the transducer.
Consider the following to find the best location:
• It is very important to locate the transducer in an area which is relatively free of
turbulent water. As a boat moves through the water, turbulence is generated by
the weight of the boat, and the thrust of the propeller(s) - either clockwise or
counter-clockwise. This turbulent water is normally confined to areas
immediately aft of ribs, strakes or rows of rivets on the bottom of the boat, and
in the immediate area of the propeller(s). Clockwise propellers create more
turbulence on the port side. On outboard or inboard/outboard boats, it is best to
locate the transducer at least 15" (380 mm) to the side of the propeller(s).
• The best way to locate turbulence-free water is to view the transom while the
boat is moving. This method is recommended if maximum high-speed operation
is a high priority. If this is not possible, select a location on the transom where the
hull forward of this location is smooth, flat and free of protrusions or ribs.
• The hydrodynamic shape of your transducer allows it to point straight down
without deadrise adjustment.
• On boats with stepped hulls, it may be possible to mount the transducer on the
step. Do not mount the transducer on the transom behind a step to avoid
popping the transducer out of the water at higher speeds; the transducer must
remain in the water for the control head to maintain the sonar signal.
• If the transom is behind the propeller(s), it may be impossible to find an area
clear from turbulence, and a different mounting technique or transducer type
should be considered (see Inside the Hull Transducer Installation).
• Determine transducer mounting location
• Mount the bracket to the boat (find the procedure for your transducer, either
Single frequency or Dual frequency)
• Attach the pivot to the transducer (find the procedure for your transducer, either
Single frequency or Dual frequency)
• Mount the transducer pivot assembly to the bracket (find the procedure for your
transducer, either Single frequency or Dual frequency)
• Adjust the running position of the transducer (find the procedure for your
transducer, either Single frequency or Dual frequency)
• Route the transducer cable
• Perform a final test of the transom transducer installation.
Stepped Hull
3
1
1 Rivets/Strakes
2
2 Deadrise Angle
Step 3
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To mount the transducer bracket to the boat (Single frequency unit):
To attach the pivot to the transducer (Single frequency unit):
1. Remove the transducer mounting template from this manual. See Appendix A
for the Single Frequency Mounting Template.
NOTE: Please make sure that you use the correct drill holes for the hull composition of
your boat.
Level
15” (380 mm)
from prop(s)
1. Attach the Two Piece Kick-Up pivot to
the transducer body, using the 1/4" - 20 x
1 1/4" Phillips head pivot bolt, the nyloc
nut, and the two toothed lock washers.
1
2
6
2. Hold the template on the transom of
the boat in the location where the
transducer will be installed. Align the
template vertically, matching the lower
edge of the transom with the bottom
corner of the template. If your propeller
moves clockwise as the boat moves
forward, mount the transducer on the
starboard side, and use the bottom left
corner of the template. If your propeller
moves counter-clockwise as the boat
moves forward, mount the transducer on
the port side, and use the bottom right
corner of the template.
3
4
1
2
3
4
5
6
3. Using a pencil or punch, mark the two mounting holes (shown on the template
for your type of hull) on the transom. Do not mark or drill any other holes at this
time.
Toothed Lock Washer
Kick-Up
Pivot Knuckle
Transducer Arms
Pivot Bolt
Nyloc Nut
1
4. Using a 9/64" (3.5 mm) bit, drill the two holes to a depth of approximately
1" (25 mm).
12
5
NOTE: The toothed lock washers must be
positioned between the transducer arms
and the pivot knuckle regardless of
mounting bracket type.
2. Using a Phillips screwdriver and a 7/16”
wrench, loosely tighten the pivot bolt. Do
not completely tighten the assembly at
this time, so that the pivot angle can be
adjusted later.
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To mount the transducer pivot assembly to the bracket
(Single frequency units):
To adjust the running position of the transducer (Single frequency unit):
The transducer mounting bracket allows height and tilt adjustment, while the pivot
bolt allows angular adjustment. These adjustments will help reduce cavitation.
Initially, adjust the transducer as described in the following paragraphs. Further
adjustment may be necessary to refine the installation after high-speed testing.
1. Insert the pivot/transducer assembly into the mounting bracket.
2. Do not snap the assembly closed.
3. Apply marine-grade silicone sealant to the mounting holes drilled into the
transom.
4. Align the transducer assembly with the drilled holes in the transom.
1
1 Kick-Up Bracket
5. Using the appropriate tool for your mounting hardware,
attach the transducer assembly to the boat transom as
shown, using #8 x 5/8” (16 mm) wood screws. Do not fully
tighten the mounting screws in order to adjust the
transducer vertically. Snap the pivot down into place.
Normal Cavitation
Cavitation that will cause
erratic sonar readings
1. First, adjust the pivot angle of the transducer body, so its length is parallel with
the length of the hull of the boat. Then, using the angle portion of the mounting
template, pivot the transducer down so that it matches the template angle as
shown on the template itself.
NOTE: The running position of the transducer is now
completely adjustable. Subsequent adjustment may be
necessary to tweak the installation after high speed testing.
2. Fully tighten the pivot bolt, using a Phillips head screwdriver and a wrench. It
may be necessary to re-tighten the pivot bolt after initial use as the plastic may
still be conforming to the pressure from the lock washers.
3. Before removing the template, adjust the height of the assembly so the face of
the transducer touches the face of the template. Mark the position of the
mounting bracket on the transom with a pencil.
4. Force the pivot to the Up position to gain access to the mounting screws. Make
sure that the transducer location has not changed, then hand tighten the two
mounting screws. Snap the pivot back down.
5. Confirm that the pivot angle has not changed.
NOTE: when you are done with this procedure, go to the section entitled: To route the
transducer cable.
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To mount the transducer
bracket to the boat
(Dual frequency unit):
1. Remove the transducer mounting
template from this manual. See
Appendix B for the Dual Frequency
Transducer Mounting Template.
Level
15” (380 mm)
from prop(s)
Attaching the Bracket
2. Hold the template on the transom of
the boat in the location where the
transducer will be installed. Align the
template vertically, matching the lower
edge of the transom with the bottom
corner of the template. If your propeller
moves clockwise as the boat moves
forward, mount the transducer on the
starboard side, and use the bottom left
corner of the template. If your propeller
moves counter-clockwise as the boat
moves forward, mount the transducer on
the port side, and use the bottom right
corner of the template.
5. Align the metal mounting bracket with the mounting
holes. The center slot should be above the two outer
slots. (This bracket and all other hardware supplied is top
quality stainless steel for maximum strength and
corrosion protection.) Insert the three 1" (25 mm) flat
head wood screws into the drilled holes, but do not
completely tighten.
To attach the pivot to the transducer (Dual frequency unit):
1. Attach the pivot to the transducer body, using the two 1/4"-20 x 5/8" (16 mm)
machine screws, toothed washers, and square nuts. The toothed washers must
fit on the inside of the transducer ears, between the pivot and the ears. The
square nuts will be prevented from rotating by the pocket in the back of the
pivot. An Allen wrench is provided which fits all the 1/4"-20 screws, but do not
fully tighten the screws at this time.
3
4
2
1
3. Using a pencil or punch, mark the three mounting holes on the transom. Do not
mark or drill any other holes at this time.
4. Using a 5/32" (4.0 mm) bit, drill the three holes to a depth of approximately
1" (25 mm). On fiberglass hulls, it is best to use progressively larger drill bits to
reduce the chance of chipping or flaking the outer coating. Use a marine-grade
silicone sealant to fill the drilled holes.
1
2
3
4
14
Insert the square nuts
Toothed Washer
Pivot
Machine Screw
Attach the Pivot
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To mount the transducer pivot assembly to the bracket
(Dual frequency units):
To adjust the running position of the transducer
(Dual frequency units):
1. Slide the assembled transducer into the metal bracket from the bottom,
aligning the large hole at the top of the bracket with the hole in the pivot.
The transducer mounting bracket allows height and tilt adjustment, while the pivot
bolt allows angular adjustment. These adjustments will help reduce cavitation.
Initially, adjust the transducer as described in the following paragraphs. Further
adjustment may be necessary to refine the installation after high-speed testing.
2. Insert the headed pin through the pivot holes in the bracket and pivot. The
headed pin can be inserted from either side of the bracket.
3. Place the nylon washer over the opposite end of the headed pin. Place the
stainless washer over the 1/4"-20 x 5/8" screw threads, then insert into the
opposite end of the headed pin and finger tighten only. The screw has a thread
locking compound on the threads to prevent loosening, and should not be fully
tightened until all adjustments are made.
Cavitation that will cause
erratic sonar readings
NOTE: The running position of the transducer is now completely adjustable. Subsequent
adjustment may be necessary to tweak the installation after high speed testing.
1
5
2
3
4
1
2
3
4
5
Normal Cavitation
1. First, adjust the pivot angle of the transducer body, so it is parallel with the
length of the hull of the boat.
Screw
2. Fully tighten the two pivot screws, using the supplied Allen wrench. Access to
the pivot screws is provided by the lower holes in the side of the mounting
bracket. It may be necessary to re-tighten the pivot bolt after initial use as the
plastic may still be conforming to the pressure from the lock washers.
Headed Pin
Allen Wrench
Nylon Washer
Stainless Washer
3. Adjust the height of the assembly so the face of the
transducer is 1/8" (3 mm) to 1/4" (6 mm) beneath the
bottom of the transom, and fully tighten the three
mounting screws.
4. In order to gain access to the mounting screws, the
transducer assembly must be pivoted up in the bracket as
Tighten the Mounting Screws
shown. Be careful not to alter the running angle as some
force is necessary to pivot the assembly.
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5. If access to the top mounting hole is not possible due to the selected height of
the transducer, fully tighten the two lower screws, then simply remove the
headed pivot pin and the transducer assembly, and tighten the top screw, then
reassemble.
2. If you will be routing the cable through a hole in the transom, drill a 5/8"
diameter (16 mm) hole above the waterline. Route the cable through this hole,
then fill the hole with marine-grade silicone sealant and proceed to the next
step immediately.
6. Confirm that the pivot angle has not changed and that all mounting screws are
fully tightened.
3. Place the escutcheon plate over the cable hole and use it as
a guide to mark the two escutcheon plate mounting holes.
Remove the plate, drill two 9/64" (3.5 mm) holes, then fill both
holes with marine-grade silicone sealant. Place the
escutcheon plate over the cable hole and attach with two
#8 x 5/8" (16 mm) wood screws.
To route the transom transducer cable (all transducers):
The transducer cable has a low profile connector that must be routed to the point
where the control head is mounted. There are several ways to route the transducer
cable to the area where the control head will be installed. The most common
procedure routes the cable through the transom into the boat.
4. Route and secure the cable by attaching the cable clamp to
the transom; drill one 9/64" dia. (3.5 mm) x 5/8" deep (16 mm)
hole, then fill hole with marine-grade silicone sealant, then
attach the cable clamp using a #8 x 5/8" (16 mm) screw.
NOTE: Your transducer may not look exactly like the transducer shown in the illustrations,
but it will mount in exactly the same way.
5. Plug the other end of the transducer cable back into the
control head connection holder.
NOTE: Your boat may have a pre-existing wiring channel or conduit that you can use for the
transducer cable.
1. Unplug the other end of the transducer cable from the control head. Make sure
that the cable is long enough to accommodate the planned route by running
the cable over the transom.
To perform a final test of the transom transducer installation:
After transom transducer installation, please perform the final testing and then
finalize the installation (see Test and Finish the Transducer Installation).
CAUTION! Do not cut or shorten the transducer cable, and try not to damage the cable insulation.
Route the cable as far as possible from any VHF radio antenna cables or tachometer cables to
reduce the possibility of interference. If the cable is too short, extension cables are available to
extend the transducer cable up to a total of 50' (15 m). For assistance, contact the Customer
Resource Center at www.humminbird.com or call 1-800-633-1468 for more information.
NOTE: Since the transducer may need to pivot up to 90° in the bracket if it strikes an object, make
sure there is sufficient cable slack to accommodate this motion. It is best to route the cable to the
side of the transducer so the cable will not be damaged by the rotation of the transducer.
16
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INSIDE THE HULL TRANSDUCER INSTALLATION
Determine the transducer mounting location:
If you choose to mount your transducer inside the hull of your boat, perform the
procedures in this section. The inside the hull mounting procedure is identical
regardless of what type of transducer you have (Single or Dual frequency). In-hull
mounting generally produces good results in single thickness fiberglass-hulled boats.
Humminbird® cannot guarantee depth performance when transmitting and receiving
through the hull of the boat, since some signal loss occurs. The amount of loss depends
on hull construction and thickness, as well as the installation position and process.
Decide where to install the transducer on the inside of the hull. Consider the following
to find the best location:
• Observe the outside of the boat hull to find the areas that are mostly free from
turbulent water. Avoid ribs, strakes and other protrusions, as these create
turbulence.
• As a general rule, the faster the boat can travel, the further aft and closer to the
centerline of the hull the transducer has to be located in order to remain in
contact with the water at high speeds.
This installation requires slow-cure two-part epoxy. Do not use silicone or any other
soft adhesive to install the transducer, as this material reduces the sensitivity of the
unit. Do not use five-minute epoxy, as it has a tendency to cure before all the air
bubbles can be purged, thus reducing signal strength.
Trial installation:
You will not be able to adjust the mounting after an inside the hull transducer is
installed. It is best, therefore, to perform a trial installation first that includes running
the boat at various speeds, in order to determine the best mounting area before
permanently mounting the transducer.
NOTE: In-hull mounting requires an installed and operational control head.
NOTE: Your transducer may not look exactly like the transducer shown in the illustrations,
but it will mount in exactly the same way.
Preferred Mounting Area
1. Plug the transducer into the control head, then power up the control head.
When the control head detects a functioning transducer, it will automatically
enter Normal operating mode.
2. View the sonar signal at its best by holding the transducer over the side,
immersed in the water, so that it is pointing straight down over a known flat
bottom. Use the display to benchmark against the sonar signal that will be
detected once the transducer is placed in the hull.
1
2
3. Place the transducer body face down at the identified mounting location inside
the hull, with the end that has the mounting ears pointed towards the bow of
the boat.
1 Rivets/Strakes
2 Step
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Inside the Hull
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Permanently mount the transducer:
4. Fill the hull with enough water to submerge the
transducer body. Use a sand-filled bag or other heavy
object to hold the transducer in position. The
transducer cannot transmit through air, and the water
purges any air from between the transducer and the
hull, and fills any voids in the coarse fiberglass surface.
1. Make sure the position of the transducer is marked.
2. Remove the water from inside the hull and thoroughly dry the mounting
surface. If the surface is excessively rough, it may be necessary to sand the area
to create a smooth mounting surface.
3. Slowly and thoroughly mix an ample quantity of two-part slow cure epoxy.
Avoid trapping air bubbles.
5. View the sonar signal on the display and compare
against what you observed in Step 2, making sure that
the boat is in the same location as it was during your
observations in Step 2. If the results are comparable,
move on to Step 6. Otherwise, locate a new position in
the hull and repeat Steps 3 through 5.
6. Run the boat at various speeds and water depths while observing the screen on
the control head. If depth performance is required, test the transducer in water
at the desired depth. If the performance is acceptable, move on to Step 7. If the
performance is not acceptable, repeat Steps 3 through 6.
7. Once you have determined the best mounting location using the above steps,
mark the position of the transducer.
4. Coat the face of the transducer and the inside of the hull with epoxy.
5. Press the transducer into place with a slight twisting motion to purge any
trapped air from underneath, keeping the end of the transducer that has the
mounting ears pointed forward, towards the bow of the boat.
Route the cable:
1. Once the mounting location is determined and you have marked the position of
the transducer, route the cable from the transducer to the control head.
NOTE: Proper operation requires the end of the transducer that has the mounting ears to
face towards the bow of the boat.
6. Weight the transducer so that it will not move while the epoxy is curing.
NOTE: When the epoxy cures, no water is necessary inside the hull.
7. If you unplugged the transducer cable at the beginning of this procedure, plug
it back into the control head.
NOTE: Neither water, spilled gasoline, nor oil will affect the performance of the transducer.
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TROLLING MOTOR TRANSDUCER INSTALLATION
TEST AND FINISH THE TRANSDUCER INSTALLATION
If you want to install the transducer on a trolling motor, use this procedure. Several
styles of the transducer are compatible with trolling motor mounting. If you have a
trolling motor bracket, refer to the separate installation instructions that are included
with the bracket.
When you have installed both the control head, the transducer, and accessories and
have routed all the cables, you must perform a final test before locking the transducer
in place. Testing should be performed with the boat in the water, although you can
initially confirm basic operation with the boat out of the water.
NOTE: After trolling motor transducer installation, please perform the final testing and then
finalize the installation (see Test and Finish the Transducer Installation).
NOTE: If you have installed an in-hull mount transducer, this procedure does not apply, as the
transducer is already locked in place.
If you don’t have a trolling motor transducer, there are
several options:
1. Press POWER once to turn the control head on. There will be an audible chirp
when the button is pressed correctly. If the unit does not power-up, make sure
that the connector holder is fully seated and that power is available.
• You may purchase a Trolling Motor Adapter kit that
will allow you to mount the transducer on the trolling
motor.
2. If all connections are correct and power is available, the control head will enter
Normal operation. If no transducer is detected (or one is not connected), the
unit will go into Simulator mode and will indicate this by displaying the word
Simulator on the control head display.
• You may also exchange your NEW and UNASSEMBLED
transducer (with mounting hardware included) for a
trolling motor transducer.
NOTE: The transducer must be submerged in water for reliable transducer detection.
There are also several transducer switches available that support the following
configurations:
3. If the bottom is visible on-screen with a digital depth readout, the unit is
working properly. Make sure that the boat is in water greater than 2 ft (.6 m) but
less than the depth capability of the unit, and that the transducer is fully
submerged, since the sonar signal cannot pass through air.
• Two control heads with one transducer
• Two transducers with one control head.
4. If the unit is working properly, gradually increase the boat speed to test
high-speed performance. If the unit functions well at low speeds but begins to
skip or miss the bottom at higher speeds, the transducer requires adjustment.
Angling the rear of the transducer downward and/or lowering the transducer
farther into the water will help achieve depth readings at high speeds. If the left
side of the fish arch is longer than the right side, then the back of the transducer
is angled too far downward. If the right side of the fish arch is longer than the
left side, then the back of the transducer is angled too far upwards.
NOTE: Call the Humminbird® Customer Resource Center (1-800-633-1468) for details and
pricing, or visit www.humminbird.com for more information.
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NOTE: It may not always be possible to get symmetrical fish arches and high speed depth
readings at the same time. Due to the wide variety of boat hulls, however, it is not always
possible to obtain high speed depth readings.
GPS RECEIVER INSTALLATION
NOTE: It is often necessary to make several incremental transducer adjustments before
optimum high speed performance is achieved.
To optimize performance of the GPS receiver, mount it in an area that has full exposure
to the sky. The effective area of reception is 10° above the horizon. Different
circumstances determine the mounting method appropriate for your GPS receiver.
(937c DF Combo and 937c Combo models only)
NOTE: You will only need to perform this procedure if you have a GPS Receiver.
Once you have reached a consistently good sonar signal at the desired speeds, you are
ready to lock down the transducer settings.
If you have…
5a. If you have a Single frequency transducer, mark the transducer bracket location
on the transom with a pencil, then pop up the bracket to reveal the mounting
screws. Find the third mounting hole in the vertical center of the bracket. Make
sure that the bracket location is the same and follow the drilling instructions for
your hull type. Fill the mounting hole with marine-grade silicone, then install
the third screw before snapping the transducer bracket closed.
Hand-tighten only!
5b. If you have a Dual frequency transducer, mark the transducer bracket location
on the transom with a pencil, then pop up the bracket to reveal the mounting
screws. Tighten the stainless steel mounting bracket screws to secure in place.
Then use:
An existing antenna stem with
standard 1" – 14 thread stem
Stem Mount with Existing 1” - 14 Thread Stem
Access for cable routing under
the mounting location
Access Under Mounting Location
No access under the mounting
location
No Access Under Mounting Location
STEM MOUNTING WITH AN EXISTING 1" - 14 THREAD STEM
Follow these steps to stem mount the GPS receiver:
NOTE: If you have an existing stem for mounting the GPS receiver, proceed directly to step 2
of the following procedure.
Hand-tighten only!
1. Determine the best location to mount your GPS receiver. Preplan and test the
cable routing to your control head before any drilling or cutting of your boat
surfaces. If you have purchased hardware to stem mount your GPS receiver,
follow the instructions included with that hardware to mount the stem
(antenna pole).
NOTE: AS-EC10 10' extension cables are available from Humminbird® if your planned routing
exceeds 20', (6 m). Maximum cable length, including extensions, should not exceed 50' (16 m).
NOTE: Remember to caulk or seal screw holes and drilled holes as needed to protect your
boat from water damage.
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ACCESS UNDER MOUNTING LOCATION
2. Screw on the receiver base to the stem first,
making sure that the stem pipe does not
protrude from the receiver base. This adds
protection to the cable when pulling it through
the pipe stem. In addition to this, de-burr the
pipe edges to reduce cable abrasion.
1
2
3
1 Receiver
2 Receiver Base
3 Stem Pipe
Follow these steps to deck mount the GPS receiver when routing the cable down
through the mounting location:
1. Determine the best location, then test route the 20' (6 m) cable from the
mounting location to the control head.
3. Use electrical tape to secure the NMEA pigtail
to the cable as shown.
NOTE: Installation details may vary with unit configuration.
2. Mark the mounting location and drill a 3/4" (19 mm) hole for the cable and cable
plug. Route the cable.
NOTE: Leave the NMEA pigtail secured to the cable
unless needed. This will make removing the receiver
easier.
3. Cover the cable hole with the receiver. Make sure the receiver is flush on the
surface and mark the two mounting holes with a pencil or punch.
4. Route the GPS receiver cable through the stem and continue with the planned
route you chose in step 1.
4. Move the receiver to the side and drill two pilot holes using a 9/64" (3.5 mm) bit.
5. Attach the GPS receiver to its base using the included #6 - 7/8" screws.
NOTE: Remember to caulk or seal screw holes and drilled holes as needed to protect your
boat from water damage.
5. Align the GPS receiver screw holes over the pilot screw holes and attach with the
#8 - 1 1/4" Phillips head screws. Hand tighten only!
3
NOTE: If the mounting surface is thin and made of a lighter material, a backing material
may be needed below the mounting surface.
1
Access Under Mounting Location
2
4
1 NMEA Pigtail Taped
2 NMEA Pigtail Cable Out
3 Mounting Screws
4 Cable Route
21
No Access Under Mounting Location
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NO ACCESS UNDER MOUNTING LOCATION
FINISH ROUTING THE CABLE AND CHECK
GPS RECEIVER OPERATION
Follow these steps to deck mount the GPS receiver in a situation where you must route
the cable to the side because there is no space for a cable underneath the
mounting location.
After installing a GPS receiver, you should perform the following procedure to finish
routing the GPS cable to the control head and to check to make sure that the control
head is working correctly.
1. Determine the best location, then test route the cable from the mounting
location to the control head.
1. Secure the cable along its path to the control head as needed with cable ties.
NOTE: AS-EC10 10' extension cables are available from Humminbird® if your planned routing
exceeds 20', (6 m). Maximum cable length, including extensions, should not exceed 50' (16 m).
2. Plug the GPS receiver cable into the Communications port on the control head.
See Testing the System Installation to use the System Status start-up option
and/or the GPS Diagnostic View to confirm a good installation.
2. Confirm the cable length is good and route the cable from the receiver to the
control head. If holes are required to route the cable, they must be 3/4" (19 mm)
to allow for the cable connector. Secure the NMEA pigtail with electrical tape.
1
NOTE: Remember to caulk or seal screw holes and drilled holes as needed to protect your
boat from water damage.
3. The GPS receiver has two wire routing notches. Use the cable notch closest to
the intended cable route.
1
2
3
4
5
4. With the cable routed, position the GPS receiver in the planned mounting
location and mark the mounting holes with a pencil or punch.
5. Move the GPS receiver to the side and drill the two 9/64" (3.5 mm) pilot holes.
6. Align the GPS receiver's screw holes over the pilot screw holes and attach with
the #8 - 1 1/4" Phillips head screws. Hand tighten only!
22
Power
Speed
Communications
Transducer
Cable Collector Insert
5
2
3
4
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SPEED ACCESSORY INSTALLATION
The Speed accessory incorporates a paddlewheel-type speed sensor in a high-impact
plastic housing. The module is intended for installation on the transom, and will work
well on almost any boat.
NOTE: You will only need to perform this procedure if you have a Speed-Only Sensor.
1
In addition to the parts supplied, you will need a hand drill with various bits, marinegrade silicone sealant, and a Phillips head screwdriver.
Install the Speed accessory:
1. Locate an area on the transom of your boat that will be 6” to 8” or farther from
the transducer(s). This area must also maintain contact with the water, even at
high speeds. Do not mount the accessory directly in front of the propeller or
outdrive, and make sure that there are no protrusions such as ribs, rows of
rivets, or transducers directly forward of the mounting location, as these may
affect the flow of water over the paddlewheel.
3
4
2. Align the accessory on the transom so that the lower edge is flush with the hull
of the boat and the tab on the bottom of the housing aligns with the bottom of
the hull, and mark the hole locations. If the transom angle is excessive, a fairing
block may be needed to level the paddlewheel for proper operation.
5
3. On fiberglass hulls, it is best to start with a smaller drill bit and use progressively
larger bits to reduce the chance of chipping or flaking the outer coating. Drill
two 9/64” (3.5 mm) mounting holes approximately 3/4” (19 mm) deep.
2
4. Seal the mounting holes with marine-grade silicone sealant, and attach the
module to the transom using the two washers and two screws provided.
7
1
2
3
4
Escutcheon Plate
Wood Screw and Washer
Cable Clamp
6
5 Wedge
6 Paddlewheel
7 Speed Accessory
Hand tighten only!
Axial Clip
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Routing the speed cable to the control head:
Cleaning the Speed accessory:
1. You may route the cable over the top of the transom, or drill a 5/8” (16 mm)
diameter hole in the transom directly above the module and above the
waterline to route cable through. Use the cable clamps provided to secure the
cable to the transom of the boat. If you use a through-hole, then also use the
included escutcheon plate to dress the hole.
1. You should periodically remove the paddlewheel from the housing and clean it
to remove growth resulting from the marine environment, as a clean
paddlewheel results in more accurate readings.
NOTE: This procedure should only be performed when the boat is not running, and is
normally performed when the boat is out of the water.
NOTE: On fiberglass hulls, it is best to start with a smaller drill bit and use progressively
larger drill bits to reduce the chance of chipping or flaking the outer coating.
Rotating Retaining Axial Clip to Remove Paddlewheel
2. All mounting screws require a 5/32” (13.5 mm) pilot hole drilled approximately
5/8” (16 mm) deep. Additionally, seal any hole drilled in the transom of the boat
with marine-grade silicone sealant (not included).
3. Route the cable to the control head, and insert the connector into the
appropriate slot. Use the connector designated for accessories on the
control head.
4. If the connections are correct, the control head will begin displaying boat speed
information immediately (assuming that the control head is powered on and
the boat is moving). If the speed sensor fails to read properly at high speeds,
adjust the height of the module on the transom.
2. Clean the paddlewheel by disengaging the axial clip from the housing wedge
and rotating it forward. Once you have rotated the axial clip, remove it from the
housing by sliding it away from the holes in the housing.
3. Clean the removed paddlewheel with a mild solution of biodegradable soap or
hot water. Clean the wheel well of debris and/or algae at this time.
4. Once you have cleaned the paddlewheel, you may re-insert it into the housing.
Next, slide the axial clip back into the holes, then rotate it backwards to lock it
into place with the wedge in the housing.
NOTE: The paddlewheel must be oriented so that it is scooping the water.
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TESTING THE SYSTEM INSTALLATION
4. From the System Status screen, see a GPS Diagnostic View by pressing the View
key. GPS Diagnostic View shows a sky chart and numerical data from the GPS
receiver. The sky chart shows the location of each visible GPS satellite with its
satellite number and a signal strength bar. A dark grey bar indicates that the
satellite is being used to determine your current position. A light gray bar
indicates that the satellite is being monitored, but is not yet being used. See
System Status for more information about the GPS Diagnostic View.
After you have completed the installation of the control head, transducer, and any
other accessories such as the GPS receiver, and have made all the cabling connections
required, you must test the installation before using the system. Thorough testing
should be performed with the boat in the water; however, you can confirm basic
operation initially with the boat out of the water as well.
To test the installation:
NOTE: The GPS Diagnostic View is only available on the 937c Combo and 937c DF Combo
models.
1. Press the POWER/LIGHT key on the control head once to turn on the control
head. (There will be an audible chirp to let you know that you pressed the key,
and the initial Title screen will appear.) If the unit does not power up, make sure
that power is available. While the Title screen is shown on the display, press the
MENU key to display the Start-Up Options menu. Use the UP or DOWN
4-WAY Cursor keys to position the cursor, then the RIGHT Cursor key to select
System Status from the Start-Up Options menu (see the Start-Up Options Menu
section for more information about these menu choices). The System Status Self
Test screen will appear.
NOTE: If you wait too long, the system will default to whichever menu mode happens to be
highlighted, and you will have to start again.
2. Self Test displays results from the internal diagnostic self test, including unit
serial number, Printed Circuit Board (PCB) serial number, software revision, total
hours of operation and the input voltage. See System Status for more
information about the Self Test.
3. From the System Status screen, view accessory connections by pressing the
VIEW key. See System Status for more information about the Accessory Test.
NOTE: The speed accessory (if attached) will be detected only if the paddlewheel has moved
since your 900 Series™ was powered up.
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GETTING STARTED - USING YOUR 900 SERIES™
POWERING UP THE CONTROL HEAD
Your 900 Series™ Fishing System user interface is easy to use. A combination of keys,
different views, and situation-specific, customizable menus allows you to control what
you see on the color display. Refer to the following illustration, and see Key Functions,
Views, and The Menu System) for more information.
Turn on your 900 Series™ control head by pressing the POWER key. The Title screen is
displayed until the 900 Series™ begins operation. Your 900 Series™ will begin Normal
or Simulator operation, depending on the presence or absence of a transducer.
11
10
9
8
7
1
6
5
3
4
2
1
2
3
4
5
6
Screen
MMC/SD Card Slot
ZOOM (+/-) Key (937c DF Combo and 937c Combo models only)
POWER/LIGHT Key
INFO Key (937c DF Combo and 937c Combo models only)
900 Series™ 937c DF Combo Title Screen
4-WAY Cursor Control Key 7
MENU Key 8
VIEW Key 9
EXIT Key 10
VIEW PRESET Keys 11
MARK/GOTO Key (937c DF Combo and 937c Combo models only)
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WHAT’S ON THE SONAR DISPLAY
The 900 Series™ can display a variety of useful information about the area under and adjacent to your boat, including the following items:
7 Speed - if a Speed accessory or GPS
1
10
3
4
9
5
8
6
11
12
7
Triplog
Triplog
2
1
2
3
4
Depth - water depth; can be set to alarm when the water becomes too shallow.
Timer - Elapsed time with Speed accessory or GPS Receiver.
5 Barometric Pressure - Requires optional-purchase WeatherSense®
6 Temperature - water surface temperature
Distance - Distance traveled with Speed accessory or GPS Receiver.
Average Speed - Average speed reading with Speed accessory or GPS Receiver.
27
Receiver is attached, the 900 Series™
can display the speed of the boat,
and can keep a triplog of nautical or
statute miles traveled.
8 Thermoclines - layers of water with
different temperatures that appear
at different depths and different
times of the year. A thermocline
typically appears as a continuous
band of many colors moving across
the display at the same depth.
9 Sonar Color Bar - color spectrum
indicating low to high sonar intensity
returns, where red indicates high
intensity and white indicates low
intensity.
10 Bait Ball
11 RTS® (Real Time Sonar) Window
12 Second Sonar Return - when the
sonar signal bounces between the
bottom and the surface of the water
and back again. Use the appearance
of the second return to determine
bottom hardness. Hard bottoms will
show a strong second return, while
soft bottoms will show a very weak
one or none at all.
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UNDERSTANDING SONAR HISTORY
BOTTOM PRESENTATION
It is important to understand the significance of the 900 Series™ display. The display
does NOT show a literal 3-dimensional representation of what is under the water. Each
vertical band of data received by the control head and plotted on the display
represents something that was detected by a sonar return at a particular time. As both
the boat and the targets (fish) may be moving, the returns are only showing a
particular segment of time when objects were detected, not exactly where those
objects are in relation to other objects shown on the display.
As the boat moves, the unit charts the changes in depth on the display to create a
profile of the Bottom Contour. The type of bottom can be determined from the return
charted on the display. A Hard Bottom such as compacted sediment or flat rock
appears as a thinner line across the display. A Soft Bottom such as mud or sand appears
as a thicker line across the display. Rocky Bottoms have a broken, random appearance.
NOTE: A sloping bottom will be represented as a thicker line across the display. Harder
bottoms typically will be displayed with red and softer bottoms typically will be displayed
with blue.
REAL TIME SONAR (RTS®) WINDOW
The sonar returns from the bottom, structure and fish can be represented as either
Structure ID® or WhiteLine®. See Sonar Menu: Bottom View for details on how to set
the bottom view.
A Real Time Sonar (RTS®) Window appears on the right side of the display in the Sonar
View only. The RTS® Window always updates at the fastest rate possible for depth
conditions and shows only the returns from the bottom, structure and fish that are
within the transducer beam. The RTS® Window plots the depth and intensity of a
sonar return. (See Sonar Menu: RTS® Window).
The Narrow RTS® Window
indicates the sonar intensity
through the use of colors. Red
indicates a strong return and
blue indicates a weak return.
The depth of the sonar return
is indicated by the vertical
placement of the return on
the display depth scale.
The Wide RTS® Window
indicates the sonar intensity
through the use of a bar
graph. The length of the
plotted return provides an
indication of whether the
return is weak or strong. The
depth of the sonar return is
indicated by the vertical
placement of the return on
the display depth scale.
Structure ID® represents weak returns in blue and strong returns in red.
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KEY FUNCTIONS
Your 900 Series™ user interface consists of a set of easy-to-use keys that work with
various on-screen views and menus to give you flexibility and control over your
fishing experience. Regardless of model, your control head will have the following
common keys:
•
•
•
•
•
•
POWER/LIGHT key
EXIT key
VIEW key
4-WAY Cursor Control key
MENU key
VIEW PRESET keys.
In addition, if you have a either a 937c DF Combo or a 937c Combo model, your control
head will have the following additional, navigation-related keys:
WhiteLine® highlights the strongest sonar returns in white, resulting in a distinctive
outline. This has the benefit of clearly defining the bottom on the display.
• MARK/GOTO key
• INFO key
• ZOOM (+/-) key.
POWER/LIGHT KEY
The POWER/LIGHT key is used to turn the 900 Series™ on and off, and
also to adjust the backlight and background color of the display. Press
the POWER/LIGHT key to turn the unit on. The Title screen is then
displayed until the 900 Series™ begins sonar operation.
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To adjust the backlight or to adjust the display
background color, press the POWER/LIGHT key to
access the Light and Background menu. Use the
4-WAY Cursor key to select Light or Background
and then use the LEFT or RIGHT Cursor key to
change the settings. Press EXIT to exit the Light
and Background menu.
temporarily, and the screen will update if it is affected by your menu setting change,
allowing you to see the effects of your action immediately. Reactivate the X-Press™
Menu by using the UP or DOWN Cursor keys.
Main Menu - Press the MENU key twice for the tabbed Main Menu System. The Main
Menu System is organized under tabbed headings to help you find a specific menu
item quickly: Alarms, Sonar, Setup, Views, and Accessories tabs are part of your tabbed
Main Menu System. If you have a 937c DF Combo or a 937c Combo model, your menu
tabs will also include Navigation and Chart. Use the LEFT or RIGHT 4-WAY Cursor
Control key to select a tab; then use the DOWN or UP key to select the menu item, and
the LEFT or RIGHT key to alter a menu setting.
Press and hold the POWER/LIGHT key for 3 seconds to turn the unit off. A message will
appear telling you how many seconds there are until shutdown occurs. Your 900
Series™ should always be turned off using the POWER/LIGHT key. This will ensure that
shutdown occurs properly and any menu settings will be saved.
4-WAY CURSOR CONTROL KEY
VIEW KEY
The 4-WAY Cursor Control Key has multiple functions, depending
on the situation:
The VIEW key is used to cycle through all available views. Press the
VIEW key to advance to the next view. Repeatedly pressing VIEW
cycles through all views available. Views can be hidden to optimize the system to your
fishing requirements (see View Menu Tab).
Freeze Frame - Pressing any arrow on the 4-WAY Cursor Control key will freeze the
display in the Sonar View and a cursor and cursor dialog box will be displayed. The
cursor can be positioned on the Sonar View using the 4-WAY Cursor Control key.
MENU KEY
Active Cursor - In any Bird's Eye View, the 4-WAY Cursor Control key controls the motion
of the eyepoint. In any Chart View, the 4-WAY Cursor Control key pans the charts.
The MENU key is used to access the menu system.
NOTE: In either Freeze Frame or Active Cursor mode, you can also make the cursor move
diagonally by pressing in between two of the arrows on the 4-WAY Cursor Control key..
Start-Up Options Menu - Press the MENU key during the power up sequence to view
the Start-Up Options menu.
Menu Selection - Use the DOWN or UP arrow keys to select a menu choice from the
menu list, then use the LEFT or RIGHT arrow keys to change a menu setting.
X-Press™ Menu - Press the MENU key once for the X-Press™ Menu. The X-Press™ Menu
allows you to access frequently-used settings without having to navigate through the
whole menu system. When the X-Press™ Menu is displayed, you can use the UP or
DOWN Cursor keys to move to a particular menu choice. As soon as you alter a
parameter (using the RIGHT or LEFT Cursor keys) the X-Press™ Menu will collapse
NOTE: Menu choices are implemented and saved immediately - no further action is required.
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VIEW PRESET KEYS
If the cursor is not active, the following menu will be
displayed. Use the 4-WAY Cursor Control key to select
Nearest Port, Nearest Tide Station or Nearest Current
Station, then use the RIGHT Cursor key to display the
requested information.
The VIEW PRESET keys are used to program your three favorite
views for quick retrieval. Instead of using the VIEW key to cycle
through every view to find the one you want, you can program the VIEW PRESET
keys to display a specific view immediately. To program each VIEW PRESET key, use
the VIEW key to cycle to the view you want to store. Press and hold one of the VIEW
PRESET keys for several seconds. A series of audible chirps will be heard indicating
that the view has been programmed to the key. You can store up to three views,
one on each key.
NOTE: The built-in Uni-Map™ does not contain Port, Tide or
Current information. This information is only available from
optional purchase MMC/SD cards.
MARK/GOTO KEY
EXIT KEY
(937c DF Combo and 937c Combo models only)
The EXIT key has multiple functions, depending on the situation:
Press the MARK key while in any view to mark the position of a
waypoint, either at the current boat location, or, if the Cursor is active,
at the current Cursor location.
• If an alarm is sounding, pressing EXIT will cancel the alarm.
• If a menu tab is selected, pressing EXIT will exit the menu mode and return to the
view.
• If a menu is active, pressing EXIT will return to the previous level in the menu
system.
• Pressing EXIT will cycle through the available views in reverse order.
• If Freeze Frame is active, pressing EXIT will return to a scrolling display.
• If the Cursor is active, pressing EXIT will remove the cursor from the display.
If the Cursor is active, pressing the GOTO key while in any view creates
a waypoint and starts navigation towards that waypoint. If the Cursor
is not active, pressing the GOTO key displays the list of waypoints, so
that you can select the waypoint towards which you want to navigate.
ZOOM (+/-) KEY
(937c DF Combo and 937c Combo models only)
Press the - or + ZOOM keys while in any of the Navigation Views or the
Sonar Zoom View to change the scale of the view to appear closer or
farther away.
INFO KEY
(937c DF Combo and 937c Combo models only)
Press the INFO key while in any navigation view to display information
about objects that are nearest to an active cursor.
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VIEWS
VIEWS AND READOUTS
The views available on your 900 Series™ are:
All views have an Information Bar on the left side of the screen, consisting of readouts
that are stacked vertically, and that change from view to view. You can customize the
information displayed in individual readouts on many views, including suppressing a
particular readout so that nothing is displayed; the ability to customize readouts
depends on the view and whether you are navigating (see Setup Menu Tab, Select
Readouts for more information).
Sonar views:
• Sonar View
• Sonar Zoom View
• Split Sonar View (937c DF Combo/931c DF models only)
• Self Test View
• Accessory Test View
Navigation views:
• Bird’s Eye View (937c Combo/937c DF models only)
• Chart/Bird’s Eye Combo View (937c DF Combo and 937c Combo models only)
• Chart View (937c DF Combo and 937c Combo models only)
• Chart/Sonar Combo View (937c DF Combo and 937c Combo models only)
• GPS Diagnostic View (937c DF Combo and 937c Combo models only).
Sonar View is the default view. When the VIEW key is pressed, the display cycles
through the available views. When the EXIT key is pressed, the display cycles through
the available views in reverse order. Any view can be hidden or displayed as part of the
view rotation using the Views Menu tab.
NOTE: When you change any menu settings that affect the sonar, the view will update
immediately (i.e. you don’t have to exit the menu to apply the change to the screen).
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SONAR VIEW
NOTE:If the Depth number is flashing, it means that the unit is having trouble locating the bottom.
This usually happens if the water is too deep, the transducer is out of the water, the boat is moving
too fast, or for any other reason that the unit can’t accurately receive continuous data.
Sonar View presents a historical log of sonar returns. The most recent sonar returns
are charted on the right side of the window; as new information is received, the older
information is moved across the display to the left. A scale with Upper and Lower
Depth Range readouts appears along the right edge of the Sonar View. The scale
indicates the distance from the surface of the water to a depth range sufficient to
show the bottom. Depth Range is automatically selected to keep the bottom visible on
the display, although you can adjust it manually as well (see Sonar X-Press™ Menu).
Freeze Frame - Pressing any arrow on the 4-WAY Cursor Control key will freeze the screen
in the Sonar View and a cursor and cursor dialog box will be displayed on the screen. The
cursor can be positioned on the display using the 4-WAY Cursor Control key to determine
the depth of any sonar return. The RTS® Window continues to update in Freeze Frame. In
addition, see the effects of menu setting changes with Instant Image Update.
Pressing EXIT will exit Freeze Frame and the display will start to scroll.
Sonar View
6
1
8
7
9
SONAR ZOOM VIEW
11
Sonar Zoom View increases the displayed resolution to separate sonar returns that are
very close together, such as those caused by fish suspended close to the bottom or within
structure. In Zoom View, the display is split to show a narrow slice of the full range view
on the right and the zoomed view on the left. The full range view on the right also
contains the Zoom Preview Box that shows what part of the full range view is shown in
zoom view on the left; the Zoom Preview Box tracks the bottom in the full range view.
Depth
Depth below Cursor 7
As the depth changes, the zoomed view updates automatically to display a magnified
image of the bottom. The Zoom Preview Box shows where the zoomed view is in
relation to the full range view. The Zoom Level, or magnification, is displayed in the
lower left corner and can be changed to suit conditions (see Sonar X-Press™ Menu:
Zoom Level). Upper and Lower Zoom Depth Range numbers indicate the depth of the
water which is being viewed.
Triplog
Distance to Cursor 8
2
5
10
3
4
12
1
2
3
4
5
6
Temperature
Bearing to Cursor 9
Speed
RTS® Window 10
Cursor
Sonar Color Bar 11
Depth of Cursor
Lower Depth Range 12
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SPLIT SONAR VIEW
Freeze Frame - Pressing any arrow on the 4-WAY Cursor Control key will freeze the screen
in the Sonar Zoom View and a cursor and cursor dialog box will be displayed on the screen.
The cursor can be positioned on the display using the 4-WAY Cursor Control key to
determine the depth of any sonar return. The RTS® Window continues to update in Freeze
Frame. In addition, see the effects of menu setting changes with Instant Image Update.
(937c DF Combo and 931c DF models only)
Split Sonar View displays sonar returns from the 50 kHz wide beam on the left side of
the screen and displays sonar returns from the 200 kHz narrow beam on the right side
of the screen. You can use the Split Sonar View to make side by side comparisons
between the sonar returns from the 50 kHz wide beam and the 200 kHz narrow beam.
Pressing EXIT will exit Freeze Frame and the display will start to scroll.
Split Sonar View
3
1
Sonar Zoom View
2
7
8
6
1
2
5
7
9
3
8
6
4
10
4
12
1 Depth
2
3
4
5
6
Triplog
Temperature
Speed
Zoomed View
Zoom Level
5
1
2
3
4
11
Upper Depth Range, Full Range View 7
Upper Depth Range, Zoom View 8
Zoom Preview Box 9
Full Range View 10
Lower Depth Range, Full Range View 11
Lower Depth Range, Zoom View 12
34
Depth
200 kHz Sonar History Window 5
Triplog
50 kHz Sonar History Window 6
Upper Depth Range
Temperature 7
Lower Depth Range
Speed 8
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Bird’s Eye View
(937c DF Combo and 937c Combo models only)
1
Bird's Eye View shows a 3D perspective view of the track and the chart land contour
from a point above and behind the boat (the eye point). As the boat turns, the eye
point moves to follow the boat. Big Digits on this view provide digital data in a large,
easy-to-see format.
2
When you press the 4-WAY Cursor key in the Bird’s Eye View, the position of the eye point
will shift. This allows you to move and turn the eye point so that you can look off to the
sides, or even behind the boat. Pressing the RIGHT or LEFT arrow keys on the 4-WAY
Cursor key turns the eye point right or left, while pressing the UP arrow key moves the
eye point forward, and pressing the DOWN arrow key moves the eye point backward.
5
3
6
4
Pressing the EXIT key moves the eye point back to its original position behind and
above the boat.
1 Depth
2 HDG: Direction that boat is travelling relative to
North Reference
3 Latitude and Longitude Position of Boat
35
Speed of Boat 4
Land Contours 5
Boat Icon 6
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CHART/BIRD’S EYE COMBO VIEW
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CHART VIEW
(937c DF Combo and 937c Combo models only)
Chart/Bird’s Eye Combo View shows both the Chart and Bird’s Eye views in a
combination split screen. You can perform any of the functions for either of these
views, but only when the view you want to control is selected as the active side
(see Sonar X-Press™ Menu: Active Side or Navigation X-Press™ Menu: Active Side for
more information). A green arrow points to the side that is active. You can also
adjust the size of the left side of a split screen (see Sonar X-Press™ Menu: Split
Position or Navigation X-Press™ Menu: Split Position for more information).
(937c DF Combo and 937c Combo models only)
Chart View shows cartography from the built-in UniMap™ or an optional MMC map
for the area surrounding your current position. The current track (also known as the
position history or breadcrumb trail) showing where the boat has been, along with
saved tracks, waypoints, and the current route (when navigating), are overlaid on the
chart. You can use the 4-WAY Cursor Control key to shift/pan the chart to another area.
You can use the ZOOM (+/-) keys to zoom in and out. You can use the INFO key to get
information on the chart objects near the cursor.
NOTE: See Bird’s Eye View and Chart View for more information about each side of this view.
Chart View with Active Cursor
Chart/Bird’s Eye Combo View
1
6
7
6
5
1
8
7
10
2
11
4
3
9
9
10
8
3
5
4
1 Depth
2 HDG: Direction that boat is travelling relative to
North Reference
3 Bird’s Eye Window
4 Boat Icon
5 Track (Breadcrumb Trail)
2
4
5
1
2
3
4
5
Latitude and Longitude Position of Cursor 6
Distance to the Cursor 7
Bearing to the Cursor 8
Cartography 9
Active Cursor 10
Chart Window 11
36
Depth
Boat Icon
Track (Breadcrumb Trail)
Map Scale
Latitude and Longitude Position of Cursor
Distance to the Cursor 6
Bearing to Cursor 7
Cartography 8
Active Cursor 9
HDG: Direction that boat is travelling relative to 10
North Reference.
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CHART/SONAR COMBO VIEW
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Chart/Sonar Combo View
(937c DF Combo and 937c Combo models only)
7
6
5
1
Chart/Sonar Combo View shows both the Chart and Sonar views in a combination
split screen. You can perform any of the functions for either of these views, but only
when the view you want to control is selected as the active side (see Sonar X-Press™
Menu: Active Side or Navigation X-Press™ Menu: Active Side for more information). A
green arrow points to the side that is active. You can also adjust the size of the left side
of a split screen (see Sonar X-Press™ Menu: Split Position or Navigation X-Press™ Menu:
Split Position for more information).
10
4
9
8
Note: See Sonar View and Chart View for more information about each side of this view.
3
2
11
1
2
3
4
5
6
37
Depth
Boat Icon
Track (Breadcrumb Trail)
Map Scale
Latitude and Longitude Position of Cursor
Distance to the Cursor
12
Bearing to Cursor 7
Cartography 8
Active Cursor 9
HDG: Direction that boat is travelling relative 10
to North Reference
Sonar Window 11
Chart Window 12
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CHART ORIENTATION
Chart View with Cursor Present
All the chart views allow you to choose the orientation of the chart. When North-Up
orientation is selected, True North is shown at the top of the display. In other words,
objects located to the north of the boat are drawn above the boat. When Course-Up
orientation is selected, the direction of motion of the boat is shown at the top of the
display. In other words, objects ahead of the boat are drawn above the boat. In both
orientations, the view pans automatically, so that the boat is always centered on the
display. When the boat is stationary, it is drawn as a circle. When the boat is in motion,
it takes on a boat shape, pointed in the direction of motion (always Up in the CourseUp orientation). See Navigation Menu Tab: Chart Orientation for more information.
VIEWING CARTOGRAPHY
(937c DF Combo and 937c Combo models only)
In the Chart or Combo Views, there are several cartography-related functions that you
can access using various keys.
Panning: Use the 4-WAY Cursor keys to move the chart around on the display in the
direction of the key being pressed. When you do this, a Bullseye Cursor is drawn at the
top of the screen and is linked to the boat by a yellow line, even if the boat is off the
screen. At the same time, a cursor dialog box is displayed at the top of the screen with
the distance and bearing from the boat to the cursor position and the
latitude/longitude coordinates of the cursor. When the cursor is active on the display,
you can also use the 4-WAY Cursor Control key to move the cursor diagonally.
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Zooming: Use the Plus (+) key to Zoom In and the Minus (-) key to Zoom Out showing
the cartography at different scales. The scale is indicated on the left side of the display.
If you zoom in beyond the available chart data, the display will go into Overzoom mode
whereby the last available chart data is amplified to reflect the scale selected. If you
zoom in so far that no cartography is available, a lat/lon grid will be drawn instead.
Nearest Current Station: Current information for the nearest current station to your
present position will be displayed. This includes the position of the station and the
current changes for today. Two graphs are also presented that show the time, direction
and flow speed of the current changes for the 24 hour time period of today’s date. You
can change the date to look at current information before or after the date displayed
by pressing the LEFT or RIGHT Cursor key respectively. Press the EXIT key to remove the
information box and the Bullseye Cursor will be centered over the current station
position. The Cursor Information Boxes will indicate the distance and bearing to the
current station from your present position.
Chart Info: Use the INFO key to get detailed information about the chart. If the cursor
is active, you will see information about the chart objects located near the cursor. If the
cursor is not active, the Chart Info menu will appear. You can select the nearest port,
the nearest tide station, or the nearest current station to see information about any of
these objects.
NAVIGATION
NOTE: The built-in UniMap™ does not contain any Port, Tide or Current information. This
information is only available from optional-purchase MMC/SD cards.
(937c DF Combo and 937c Combo models only)
Use the 900 Series™ to establish waypoints at areas of interest and to navigate to
those waypoints via a saveable route (representing the shortest intended distance
between waypoints). You can also view and save tracks, which represent the actual
path of the boat.
Nearest Port: The position and services information for the nearest port to your
present position will be displayed. Press the EXIT key to remove the information box
and the Bullseye Cursor will be centered over the port position. The Cursor Information
Boxes will indicate the distance and bearing to the port from your present position.
Nearest Tide Station: Tide information for the nearest tide station to your present
position will be displayed. This includes the position of the station and the times of the
high and low tides for today’s date. A tide graph is also displayed showing the rise and
fall of the tides for the 24 hour time period encompassing the date. You can change the
date to look at tide information before or after the date displayed by pressing the LEFT
or RIGHT Cursor key respectively. Press the EXIT key to remove the information box and
the Bullseye Cursor will be centered over the tide station position. The cursor
information boxes will indicate the distance and bearing to the tide station from your
present position.
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WAYPOINTS, ROUTES AND TRACKS
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Routes link two or more waypoints together to create a path for navigation, and are
used in trip planning. You can link individual waypoints together by using the GOTO
key. A route represents your intended navigation and shows the shortest path from
each waypoint to the next. As you travel a route, staying on the route line is the most
efficient way to get to your destination, although you should always look out for
obstacles not shown on the chart. Your 900 Series™ can store up to 50 routes that can
each contain up to 50 waypoints.
(937c DF Combo and 937c Combo models only)
Waypoints are stored positions that allow you to mark areas of interest or navigation
points. Your 900 Series™ can store up to 3000 waypoints.
Waypoints, Routes and Tracks
1
2
Tracks consist of detailed position history, and are displayed as a breadcrumb trail of
trackpoints. The Current Track shows the position history since the unit was powered
up (maximum of 20,000 trackpoints displayed). You can clear the Current Track or save
it at any time. Your 900 Series™ can store up to 50 saved tracks, each containing
20,000 trackpoints. The current track represents your actual path so far.
8
11
3
4
9
10
SAVE, EDIT, OR DELETE A WAYPOINT
5
Save your current position as a waypoint: On any view, press the MARK key to save the
current position of the boat as a waypoint.
6
7
1 Depth
2 HDG: Direction that boat is traveling
relative to North Reference
3 BRG: Direction to Destination Waypoint
Relative to North Reference
4 XTE: Cross Track Error. Distance of Boat
from Route
5 DTG: Distance to Go to Waypoint
(937c DF Combo and 937c Combo models only)
Save the cursor position as a waypoint: On the Chart or Combo view, use the Cursor
key to designate the position you want to save as a waypoint. Then press the MARK key
to save the marked position as a waypoint.
TTG: Estimate of Trip Time to Destination Waypoint 6
Speed of Boat 7
Waypoint 8
Save a position from the sonar history: Use the Cursor key to point to a feature in the
sonar history (also called the Sonar Saver feature). Press the MARK key to create a
waypoint at the location where that sonar reading was taken. The new waypoint will
also record the depth at that location.
Route 9
Off-Course Alarm Limits 10
Map Scale 11
NOTE: When you save a waypoint by any of these methods, a numerical waypoint name is
automatically assigned. You can edit the waypoint information later to give it a different
name and select an icon to represent it (see Waypoint submenu on the Navigation Main
Menu Tab).
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NAVIGATE TO A WAYPOINT OR POSITION
Display the Waypoints Submenu: From any view, press the MENU key twice to display
the Main Menu System, then use the RIGHT Cursor key to select the Navigation tab.
Select Waypoints and press the RIGHT Cursor key to display the Waypoints submenu.
(937c DF Combo and 937c Combo models only)
Navigate to the cursor position: From any Chart or Combo view, use the Cursor key to
select a position or waypoint to which you want to navigate. Press the GOTO key.
Navigation will begin immediately.
Program a specific position as a waypoint: To create a waypoint that is NOT your
current position, from the Waypoints submenu, select the Create option and press the
RIGHT Cursor key. Use the Cursor keys to program a waypoint name, latitude,
longitude, and icon before selecting Save.
Navigate to a specified waypoint: Press the GOTO key, then choose the waypoint to
which you would like to navigate from the waypoint list and press the RIGHT Cursor
key to select it.
Edit a waypoint: From the Waypoints submenu, select Edit and press the RIGHT Cursor
key to display a list of saved waypoints. Select the waypoint you want to edit and press
the RIGHT Cursor key. Use the 4-WAY Cursor Control key to move from field to field, and
the UP and DOWN Cursor keys to changes values once you are in a field. In the
Waypoint Name, Latitude and Longitude fields, use the UP and DOWN Cursor keys to
change the letter or number. All upper and lower case letters are available, as well as
digits 0-9 and some punctuation characters. In the Waypoint Icon field, use the UP and
DOWN Cursor keys to change the icon used to represent the waypoint on the Combo
and Chart Views. You can exit these fields with the LEFT and RIGHT Cursor keys or by
pressing the EXIT key. Select Save and press the RIGHT Cursor key to save your changes.
NOTE: By repeating the previous instructions, you can add more waypoints to create a
longer multi-segment route.
Skipping a waypoint: From the Navigation X-Press™ Menu, select Skip Next Waypoint
and press the RIGHT Cursor key. If there is not another waypoint to skip to, navigation
will be cancelled.
Cancel navigation: From the Navigation X-Press™ Menu, select Cancel Navigation and
press the RIGHT Cursor key. Canceling navigation removes the route and any
waypoints created using the GOTO key, but does not remove any saved routes from
memory. You will be prompted to save the current route when you cancel navigation.
To make it easier to select a waypoint, select Sort By and press the RIGHT or LEFT Cursor
keys to select a sort order:
• Name shows the waypoints alphabetically
• Time shows the most recently-created waypoint first
• Distance shows the closest waypoint first.
Delete a waypoint: From the Waypoints submenu, select Delete and press the RIGHT
Cursor key to display a list of waypoints. Select the waypoint you want to delete, then
press the RIGHT Cursor key. You will be asked to confirm deletion before the waypoint
is actually deleted.
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ADD A WAYPOINT TARGET OR TROLLING GRID
Add or Remove a Trolling Grid: From the Waypoints submenu (accessed from the
Navigation main menu), select Grid and press the RIGHT Cursor key to display a list of
waypoints. Select the waypoint to which you want to add the grid. The trolling grid will
appear on all of the navigation views, and can be used as a guide when trolling around
a waypoint. The grid can be rotated to any desired heading using Grid Rotation from
the Navigation Main menu. To remove the trolling grid, choose Remove Grid from the
Navigation X-Press™ Menu.
(937c DF Combo and 937c Combo models only)
Add or Remove a Waypoint Target: From the Waypoints submenu (accessed from the
Navigation main menu), select Target and press the RIGHT Cursor key to display a list
of waypoints. Select the waypoint you want to target. A target consisting of concentric
circles centered on the selected waypoint will appear on all of the navigation views;
the target shows various distance ranges from the targeted waypoint. To remove the
target, choose Remove Target from the Navigation X-Press™ Menu.
Chart View with Grid
NOTE: Only one waypoint can have either a target or a grid at one time. If you apply a target
or a grid to a new waypoint, the original waypoint will lose its target or grid.
Chart View with Target
1
1
2
2
1 Map Scale
2 Waypoint Trolling Grid
3
1 Map Scale
2 Waypoint Target
3
NOTE: Only one waypoint can have either a target or a grid at one time. If you apply a target
or a grid to a new waypoint, the original waypoint will lose its target or grid.
NOTE: The spacing of the rings on the waypoint target and the spacing of the grid lines on
the trolling grid is the same as the length of the scale bar on the left edge of the display.
Zooming in or out will decrease or increase the spacing, respectively.
4
5
6
42
4
5
6
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SAVE OR CLEAR A CURRENT TRACK
(937c DF Combo and 937c Combo models only)
Save the current route: While you are navigating, the current route can be saved. From
the Navigation X-Press™ Menu, select Save Current Route and press the RIGHT Cursor
key. Navigation will continue.
(937c DF Combo and 937c Combo models only)
Save the current track: From the Navigation X-Press™ Menu, select Save Current Track
and press the RIGHT Cursor key. The track will remain on the display, but will change
from black to gray. To remove the track completely from the display, see Edit, Delete or
Hide Saved Tracks.
Display the Routes submenu: From any view, press the MENU key twice to display the
Main Menu System, then use the RIGHT Cursor key to select the Navigation tab. Select
Routes and press the RIGHT Cursor key to display the Routes submenu.
NOTE: When you save a track, a name is automatically assigned. The track name consists of
a date/time stamp, but can be re-named later (see Edit, Delete, or Hide Saved Tracks).
Clear the current track: From the Navigation X-Press™ Menu, select Clear Current Track
and press the RIGHT Cursor key. The track will be removed from the display and discarded.
Create a route: From the Routes submenu, select Create and press the RIGHT Cursor
key. A Route Edit screen will be displayed with an empty route. You can name the route,
add waypoints to the route from the list of all waypoints, and order the waypoints in
the route using the Cursor keys.
EDIT, DELETE OR HIDE SAVED TRACKS
(937c DF Combo and 937c Combo models only)
Display the Tracks Submenu: From any view, press the MENU key twice to display the
Main Menu System, then use the RIGHT Cursor key to select the Navigation tab. Select
Tracks and press the RIGHT Cursor key to display the Tracks submenu.
Edit a saved route: From the Routes submenu, select Edit and press the RIGHT Cursor
key. A Route Edit screen will be displayed. Select the route you wish to edit and press
the RIGHT Cursor key. Re-name the route or change, delete or re-order the waypoints
used in the route.
Edit a saved track: From the Tracks submenu, select Edit and press the RIGHT Cursor
key to display the list of saved tracks. Select the track you want to edit and press the
RIGHT Cursor key. When the Edit Track dialog box appears, use the Cursor keys to move
between fields. In the Track Name field, the UP and DOWN Cursor keys change the
letter or number. All upper and lower case letters are available, as well as digits 0-9 and
some punctuation characters. You can exit the Track Name field with the LEFT and
RIGHT Cursor keys or by pressing the EXIT key. Select Save and press the RIGHT Cursor
key to save your changes.
Delete a saved route: From the Routes submenu, select Delete and press the RIGHT
Cursor key. Select the route you wish to delete and press the RIGHT Cursor key. You will
be asked to confirm your choice by pressing the RIGHT Cursor key again before the
route is deleted.
Travel a saved route: From the Routes submenu, select Travel and press the RIGHT
Cursor key. A list of saved routes will appear. Select the route you wish to travel and
press the RIGHT Cursor key to make this route the current route and begin navigation.
You may also travel the route in either forward or reverse order.
Delete a saved track: From the Tracks submenu, select Delete and press the RIGHT Cursor
key to display the list of saved tracks. Select the track you want to delete and press the
RIGHT Cursor key. You will be asked to confirm deletion before the track is actually deleted.
Route Info: From the Routes submenu, select Info and press the RIGHT Cursor key. A list
of saved routes will appear. Select the route for which you want information, and press
the RIGHT Cursor key. The list of waypoints in the route will be shown, with the
distance and bearing from each waypoint to the next, as well as the distance and
bearing from the current position to the first waypoint in the route.
Hide or display a saved track: From the Tracks submenu, select Visibility and press the
RIGHT Cursor key to display the list of saved tracks. Select the track you want to hide or
display and use the Cursor keys to select Hidden or Visible. Press the EXIT key to return
to the Tracks submenu.
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THE MENU SYSTEM
Press the MENU key twice for the Main Menu,
then use the 4-WAY Cursor LEFT or RIGHT key to
select a tab, and use the DOWN or UP key to select
a specific menu item under that tab, then use the
LEFT or RIGHT keys again to change a menu
setting. Press the EXIT key to move quickly to the
top of the tab. A down arrow at the bottom of a
menu means that you can scroll to additional
menu choices using the DOWN Cursor key. A right
or left arrow on a menu choice means that you
can use the RIGHT or LEFT Cursor keys to make
changes or to see more information.
The menu system is divided into easy-to-use menu modules. The main components of
the menu system are:
Start-Up Options Menu: Press the MENU key during the power up sequence to view
the Start-Up Options menu. See Start-Up Options Menu.
X-Press™ Menu: The X-Press™ Menu allows you to
access the settings that are changed frequently
without having to navigate through the whole
menu system. Press the MENU key once to display
the X-Press™ Menu. When you select a menu item
from the X-Press™ Menu, the menu will collapse,
leaving only the menu choice on the screen.
Use the Up or Down Cursor keys to reactivate the
X-Press™ Menu.
Main Menu System
Normal User Mode
X-Press™ Menu
NOTE: The X-Press™ Menu choices will vary depending on which view is active when you
press the MENU key, as well as whether you are in Normal or Advanced User Mode. Either
the Sonar or Navigation X-Press™ Menu will appear, depending on the view you are in.
Main Menu Tabs: Less frequently-adjusted menus are grouped into the Main Menu
System. The Main Menu system is organized under main tab menu headings to help
you find a specific menu item quickly. If you have a 937c Combo or 937c DF Combo
model, main tab headings are: Alarms, Sonar, Navigation, Chart, Setup, Views, and
Accessories. If you have a 931c DF or 931c model, main tab headings are: Alarms, Sonar,
Setup, Views, and Accessories.
44
NOTE: The Main Menu choices will vary depending on
whether you are in Normal or Advanced User Mode,
and what model you own.
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START-UP OPTIONS MENU
User Mode (Normal or Advanced): An Advanced Mode is provided for users who
desire the highest level of control over the 900 Series™ and Normal Mode for users
who desire greater simplicity and fewer menu choices. Additional Advanced menu
choices will be displayed throughout the menu system when you navigate to specific
menus while in Advanced Mode. Any changes made while in Advanced Mode will
remain in effect after you switch back to Normal Mode. See Setup Menu Tab: User
Mode for specific instructions on changing to the User Mode.
Press the MENU key when the Title screen is displayed to access the Start-Up
Options menu.
NOTE: The 900 Series™ defaults to Advanced User Mode on start-up.
Start-Up Options Menu
Sonar Tab, Normal Mode
Use the UP or DOWN 4-WAY Cursor keys to position the cursor, then the RIGHT Cursor
key to select one of the following choices. If you wait too long, the system will default
to whichever menu mode happens to be highlighted:
Sonar Tab, Advanced Mode
• Normal
• Simulator
• System Status.
Total Screen Update: when you change any menu settings that affect the Sonar View,
the view will update immediately (i.e. you don’t have to exit the menu to apply the
change to the screen).
See the following paragraphs for more information about each of these choices.
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NORMAL OPERATION
SIMULATOR
Use Normal operation for on-the-water operation with a transducer connected. In
addition, your 900 Series™ uses advanced transducer detection methods to determine
if a transducer is connected. If a functioning transducer is connected, Normal
operation will be selected automatically at power up and your 900 Series™ can be
used on the water.
Use the Simulator to learn how to use your 900 Series™ before taking your boat on the
water. The Simulator is a very powerful tool that simulates on-the-water operation,
providing a randomly-updated display. We recommend going through this manual
while using the Simulator, since all of the menus function and affect the display the
way they actually do when in Normal operation.
Exit Normal operation by powering your 900 Series™ off.
Simulator
NOTE: To get the full benefit of the Simulator, it is important to select Simulator manually
from the Start-Up Options menu as opposed to letting the 900 Series™ enter Simulator
automatically (as it will if a transducer is not connected and you do nothing during power
up). Manually selecting Simulator from the Start-Up Options menu allows you to preconfigure your 900 Series™ for on-the-water operation. Any menu changes you make will be
saved for later use.
A Simulation message will appear on the display periodically to remind you that you
are using the Simulator.
Exit the Simulator by powering your 900 Series™ off.
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SYSTEM STATUS
ACCESSORY TEST
Use System Status to view system connections and to conduct a unit self-test. Exit
System Status by powering your 900 Series™ off.
Accessory Test lists the accessories connected to the system.
The following screens are displayed in turn when you press the VIEW button when
using System Status:
• Self Test
• Accessory Test
• GPS Diagnostic View (937c DF Combo and 937c Combo models only).
SELF TEST
Self Test displays results from the internal diagnostic self test, including unit serial
number, Printed Circuit Board (PCB) serial number, software revision, total hours of
operation and the input voltage.
Accessory Test Screen
NOTE: The speed accessory will be detected only if the paddlewheel has moved since your
900 Series™ was powered up.
GPS DIAGNOSTIC VIEW
(With 937c DF Combo and 937c Combo models only)
GPS Diagnostic View, which is only available when a GPS Receiver is attached to you
900 Series, shows a sky chart and numerical data from the GPS receiver. The sky chart
shows the location of each visible GPS satellite with its satellite number and a signal
strength bar. A dark grey bar indicates that the satellite is being used to determine your
current position. A light gray bar indicates that the satellite is being monitored, but is
not yet being used.
Self Test Screen
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SONAR X-PRESS™ MENU
This view also reports the current position, local time and date, and other numeric
information. The current GPS Fix Type is reported as No Fix, 2D Fix, 3D Fix, or Enhanced.
An Enhanced fix has been augmented using information from WAAS, EGNOS, or MSAS.
A 3D or Enhanced Fix is required for navigation. HDOP (the Horizontal Dilution of
Precision) is a GPS system parameter which depends on the current satellite
configuration. HDOP is used to calculate the Estimated Position Error.
The Sonar X-Press™ Menu provides access to the
settings most frequently used. Press the MENU
key once while in any of the Sonar Views to access
the Sonar X-Press™ Menu.
NOTE: Menu choices will vary depending on system
settings such as whether the unit is set for Advanced
User mode.
GPS Diagnostic View
1
2
NOTE: The Zoom Level menu option is only available
on 931c and 931c DF models.
4
3
Sonar X-Press™ Menu
1 Sky Chart
2 Satellite Being Used
Current Latitude and Longitude 3
Satellite Being Monitored 4
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ACTIVE SIDE
SENSITIVITY
Active Side allows you to select which side of a
Combo View will be active; key presses will only affect the active side of the screen.
When a menu is displayed, the non-active side of the screen will be grayed out; at any
other time, a green arrow will point to the active side. Combo Views usually display
sonar on the left, with charts or Bird’s Eye usually on the right. The Active Side menu
choice is only available when a Combo View is active.
Sensitivity controls how much detail is shown on the
display. Increasing the sensitivity shows more sonar returns from small baitfish and
suspended debris in the water; however, the display may become too cluttered. When
operating in very clear water or greater depths, increased sensitivity shows weaker
returns that may be of interest. Decreasing the sensitivity eliminates the clutter from the
display that is sometimes present in murky or muddy water. If Sensitivity is adjusted too
low, the display may not show many sonar returns that could be fish.
To select the Active Side:
To adjust the Sensitivity:
1. Highlight Active Side on the Sonar X-Press™ Menu.
2. Use the RIGHT 4-WAY Cursor Control key to change which side is active.
(Left, Right, Default = Left, or Sonar).
SPLIT POSITION
Sensitivity at Low
Split Position allows you to adjust what
percentage of the screen is taken up by the left side of any Combo View; each view
may be adjusted independently; you must be in a specific view to adjust the screen
size for that view. The number setting indicates the percentage taken up by the left
side of the Combo View; selecting Left sets the left side of the screen to its smallest
setting. The Split Position menu choice is only available when a Combo View is active.
Sensitivity at Medium
To Adjust Split Screen Position
1. Highlight Split Position on the Sonar X-Press™ Menu.
2. Use the RIGHT 4-WAY Cursor Control key to change the size of the left side of
a Combo View. (Left,30, 40, 50, 60, 70, Right, Default = 50)
Sensitivity at High
49
1. Highlight Sensitivity on the Sonar X-Press™
menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control
keys to increase or decrease the Sensitivity
setting. (Low = 1, High = 20, Default = 10)
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UPPER RANGE
LOWER RANGE
(Advanced: Sonar, Split Sonar and Active Sonar Side Views only)
Lower Range sets the deepest depth range that
will be displayed. Automatic is the default setting. When in automatic mode, the lower
range will be adjusted by the unit to follow the bottom. Selecting a specific setting
locks the depth range into Manual mode. Use both Upper and Lower Range together
to view a specific depth range manually when looking for fish or bottom structure.
M will be displayed in the lower right corner of the screen when you start manually
adjusting the Lower Range to indicate that you are in Manual mode.
Upper Range sets the shallowest depth range that will be displayed on the Sonar,
Split Sonar and Active Sonar Side Views. The Upper Range menu choice is available
when User Mode is set to Advanced (see Setup Menu Tab: User Mode) and can only
be accessed from the Sonar, Split Sonar and Active Sonar Side Views. Upper Range
is often used with Lower Range.
For example, if you are only interested in the area between 20 and 50 feet deep, you should
set the Upper Depth Range to 20 and the Lower Depth Range to 50. The Sonar View will
then show the 30 foot area between 20 and 50, and will not show the surface or the bottom
(assuming the bottom is deeper than 50 feet), and will show greater detail for that area
between 20 and 50 feet.
For example, if you are fishing in 60 feet of water but are only interested in the first 30 feet
(surface to a depth of 30 feet) you should set the Lower Depth Range limit to 30. The display
will show the 0 to 30 foot range, allowing you to see a more detailed view than you would
see if the display went all the way to the bottom.
NOTE: A minimum distance of 10 feet will be maintained between the Upper and
Lower Range regardless of the manual settings entered.
NOTE: A minimum distance of 10 feet will be maintained between the Upper and
Lower Range regardless of the settings entered manually.
To adjust the Upper Range:
To adjust the Lower Range:
1. Make sure you are in Advanced Mode, then highlight Upper Range on the Sonar
X-Press™ Menu.
1. Highlight Lower Range on the Sonar X-Press™ Menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to increase or decrease the
Lower Range setting. (AUTO, 10 to 2500 feet for 937c DF Combo and 931c DF
models, 10 to 1000 feet for 937c Combo and 931c models, 3 to 762 meters for
937c DF Combo and 931c DF models, 3 to 304 meters for 937c Combo and 931c
models [International models only], Default = AUTO)
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to increase or decrease the
Upper Range setting. (0 to 2490 feet for 937c DF Combo and 931c DF models,
0 to 990 feet for 937c Combo and 931c models, or 0 to 758 meters for 937c DF
Combo and 931c DF models or 0 to 301 meters for 937c Combo and 931c
models [International models only], Default = 0)
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CHART SPEED
BOTTOM LOCK
(Sonar Zoom View only)
Chart Speed determines the speed at which the
sonar information moves across the display, and consequently the amount of detail
shown. A faster speed shows more information in the Sonar Views and is preferred by
most anglers; however, the sonar information moves across the display quickly. A
slower speed keeps the information on the display longer, but the bottom and fish
details become compressed and may be difficult to interpret. Regardless of the Chart
Speed setting, the RTS® Window will update at the maximum rate possible for the
depth conditions. Adjust Chart Speed to your personal preference.
Bottom Lock changes the mode of the Zoomed view in the Sonar Zoom View.
To turn on Bottom Lock:
1.
In the Sonar Zoom View, highlight Bottom Lock on the Sonar X-Press™Menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Bottom Lock
setting to on. (Off, On, Default = Off).
3. Once you turn on Bottom Lock the Bottom Range X-Press menu choice will be
displayed. Bottom Range allows you to control the height above the bottom
that is shown in the Zoomed view. (10 - 60 feet, 2-10 fathoms, or 3-20 meters
[International Models Only])
To adjust the Chart Speed:
1. Highlight Chart Speed on the Sonar X-Press™ Menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to increase or decrease the Chart
Speed setting. (1-9, Ultra, where 1 = Slow, 9 = Fast, Ultra = Fastest, Default = 4)
SONAR COLORS
ZOOM LEVEL
Sonar Colors allows you to select which color
palette you would like to use for the display.
(Sonar Zoom View, 931c DF and 931c models only)
Zoom Level sets the magnification level for the Sonar Zoom View, and is only available
on the Sonar X-Press™ Menu when the Sonar Zoom View is active on 931c DF and 931c
models. Use Zoom to increase the display resolution to separate sonar returns that are
very close together.
To change the Sonar Colors:
1. Highlight Sonar Colors on the Sonar X-Press™menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the color palette.
(Standard, Gray, Inverse, Green, Default = Standard)
To adjust the Zoom Level:
1. Highlight Zoom Level on the Sonar X-Press™ Menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Zoom Level
setting for the Sonar Zoom View. (2x, 4x, 6x, 8x, Default = 2x)
NOTE: The Zoom Preview Box tracks the bottom and cannot be moved by the user.
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NAVIGATION X-PRESS™ MENU
ACTIVE SIDE
(937c DF Combo and 937c Combo models only)
Active Side allows you to select which side of a
Combo View will be active; key presses will only affect the active side of the screen.
When a menu is displayed, the non-active side of the screen will be grayed out; at any
other time, a green arrow will point to the active side. Combo Views usually display
sonar on the left, with charts or Bird’s Eye usually on the right. The Active Side menu
choice is only available when a Combo View is active.
The Navigation X-Press™ Menu provides access
to the settings most frequently used. Press the
MENU key once while in the Bird's Eye View, the
Chart or the Chart/Sonar Combo or Chart/Bird’s
Eye Combo View to access the Navigation
X-Press™ Menu.
To select the Active Side:
NOTE: Menu choices will vary depending on system
settings, such as whether you are currently
navigating.
1. Highlight Active Side on the Navigation X-Press™ Menu.
2. Use the RIGHT 4-WAY Cursor Control key to change which side is active. (Left,
Right, Default = Left).
NOTE: You will have to change Active Side setting to
Right to see the Navigation X-Press™ Menu from a
Combo View with a sonar side.
SPLIT POSITION
Split Position allows you to adjust what
percentage of the screen is taken up by the left side of any Combo View; each view may
be adjusted independently; you must be in a specific view to adjust the screen size for
that view. The number setting indicates the percentage taken up by the left side of the
Combo View; selecting Left sets the left side of the screen to its smallest setting. The
Split Position menu choice is only available when a Combo View is active.
Navigation X-Press™ Menu
To Adjust Split Screen Position
1. Highlight Split Position on the Navigation X-Press™ Menu.
2. Use the RIGHT 4-WAY Cursor Control key to change the size of the left side of a
split screen. (Left,30, 40, 50, 60, 70, Right, Default = 50)
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SAVE CURRENT TRACK
SAVE CURRENT ROUTE
(Only when navigating)
Save Current Track allows you to save the current
track being displayed. After the current track is saved, a new current track is started.
Save Current Route allows you to save the current route being displayed. This menu
choice will only appear when you are currently navigating a route.
To Save Current Track:
To Save Current Route:
1. Highlight Save Current Track on the Navigation X-Press™ Menu.
1. Highlight Save Current Route on the Navigation X-Press™ Menu.
2. Use the RIGHT 4-WAY Cursor Control key to initiate saving the current track.
2. Use the RIGHT 4-WAY Cursor Control key to initiate saving the current route.
3. The Confirm dialog box will appear. To save the current track, press the
RIGHT Cursor key once more. To cancel saving the current track, press the
LEFT Cursor key.
3. The Confirm dialog box will appear. To save the current route, press the
RIGHT Cursor key once more. To cancel saving the current route, press the
LEFT Cursor key.
CLEAR CURRENT TRACK
SKIP NEXT WAYPOINT
Clear Current Track allows you to clear the current
track being displayed and start a new track at the present position.
(Only when navigating)
Skip Next Waypoint removes the next waypoint from the current route. This menu
choice will only appear when you are currently navigating a route.
To Clear Current Track:
1. Highlight Clear Current Track on the Navigation X-Press™ Menu.
To Skip Next Waypoint:
2. Use the RIGHT 4-WAY Cursor Control key to initiate clearing the current track.
1. Highlight Skip Next Waypoint on the Navigation X-Press™ Menu.
3. The Confirm dialog box will appear. To clear the current track, press the
RIGHT Cursor key once more. To cancel clearing the current track, press the
LEFT Cursor key.
2. Use the RIGHT 4-WAY Cursor Control key to initiate skipping the next waypoint.
3. The Confirm dialog box will appear. To skip the next waypoint, press the RIGHT
Cursor key once more. To cancel skipping the next waypoint, press the LEFT
Cursor key.
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CANCEL NAVIGATION
REMOVE GRID
(Only when navigating)
(Only if a Grid is active)
Cancel Navigation discards the current route and exits Navigation Mode. This menu
choice will only appear when you are currently navigating a route. This will not delete
a previously-saved route.
Remove Grid removes the waypoint grid from the display. This menu choice will only
appear when a grid has already been applied to a waypoint.
To Remove a Grid:
To Cancel Navigation:
1. Highlight Remove Grid on the Navigation X-Press™ Menu.
1. Highlight Cancel Navigation on the Navigation X-Press™ Menu.
2. Use the RIGHT 4-WAY Cursor Control key to remove the grid.
2. Use the RIGHT 4-WAY Cursor Control key to initiate canceling navigation.
3. The Confirm dialog box will appear. To cancel navigation, press the RIGHT Cursor
key once more. To avoid canceling navigation, press the LEFT Cursor key.
REMOVE TARGET
(Only if a Target is active)
Remove Target removes the waypoint target from the display. This menu choice will
only appear when a target has already been applied to a waypoint.
To Remove a Target:
1. Highlight Remove Target on the Navigation X-Press™ Menu.
2. Use the RIGHT 4-WAY Cursor Control key to remove the target.
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SONAR MENU TAB
BEAM SELECT
(937c DF Combo and 931c DF models only)
Press the MENU key twice to access the Main
Menu System and then press the RIGHT Cursor
key to select the Sonar tab.
Beam Select sets which sonar returns from the transducer will be displayed on the screen.
NOTE: This menu choice will only appear if you have a 937c DF Combo or 931c DF model.
NOTE: Menu choices will vary depending on system
settings such as whether the unit is set for Advanced
User mode or what transducer is currently selected.
When set to 200/50 kHz, the returns from both beams are blended. The Split Sonar
View continues to display the sonar returns from each beam in their respective
windows. The blended information is shown in the Sonar View. The RTS® Window in
the Sonar View will only show the returns from the 200 kHz narrow beam.
When set to 200 kHz, only the returns from the 200 kHz narrow beam will be
displayed in the Sonar View. The Split Sonar View will continue to display returns from
both beams in their respective windows. The RTS® Window in the Sonar View will
display the returns from the 200 kHz narrow beam.
When set to 50 kHz, the returns from the 50 kHz wide beam will be displayed in the
Sonar View. The Split Sonar View will continue to display returns from both beams in
their respective windows. The RTS® Window will display the returns from the 50 kHz
wide beam.
To use Beam Select:
1. Highlight Beam Select on the Sonar main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to select either the 200 kHz
beam, the 50 kHz beam or the 200/50 kHz beam. (200/50 kHz, 200 kHz,
50 kHz, Default = 50 kHz)
Sonar Menu
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FISH ID+™
Fish ID+™ uses advanced signal processing to
interpret sonar returns, and will display a Fish Symbol when very selective
requirements are met. When a fish is detected, a fish icon and its depth are displayed
above the return that has been classified as being a fish. Three different fish size icons
represent the intensity of the sonar return, and provide an indicator of relative fish size.
DualBeam PLUS™ sonar models represent targets detected in the 200 kHz narrow
beam as orange fish symbols, and represent targets detected in the 50 kHz wide beam
as blue fish symbols.
Transducer Cone and Fish Arches
To turn Fish ID+™ on or off:
1. Highlight Fish ID+ on the Sonar main menu.
200 kHz, narrow beam
orange fish symbols
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to turn the Fish ID+™
setting On or Off. (Off, On, Default = Off)
50 kHz, wide beam blue fish symbols
(937c DF Combo and 931c DF models only)
FISH ID SENSITIVITY
When Fish ID+™ is turned off, the 900 Series™ shows only the raw sonar returns on the
display. These returns will often result in "arches" forming on the display, indicating
potential targets. Due to the transducer beam angle, the distance to a fish decreases
as the fish moves into the beam, and then increases as it moves out again, creating a
Fish Arch when this distance change is shown on the display. Boat speed, chart speed,
and the position of the fish within the sonar beam greatly affect the shape of the arch.
Fish ID Sensitivity adjusts the threshold of the Fish
ID+™ detection algorithms. Selecting a higher setting allows weaker returns to be
displayed as fish. This is useful for identifying smaller fish species or baitfish. Selecting
a lower setting displays fewer fish from weak sonar returns. This is helpful when
seeking larger species of fish. Fish Sensitivity is used in conjunction with Fish ID+™.
Fish ID+™ must be On for Fish Sensitivity to affect the ability of the 900 Series™ to
identify sonar returns as fish.
To change the Fish ID Sensitivity setting:
1. Highlight Fish ID Sensitivity on the Sonar main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Fish Sensitivity
setting. (Low = 1, High = 10, Default = 5)
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REAL TIME SONAR (RTS®) WINDOW
BOTTOM VIEW
RTS® Window sets the RTS® Window to either
Wide or Narrow, or turns it off in the Sonar View. The RTS® Window always updates at
the fastest rate possible and only displays returns that are within the transducer beam.
(See Getting Started - Using Your 900 Series™: Real Time Sonar [RTS®] Window for more
information.)
Bottom View selects the method used to
represent bottom and structure on the display. Structure ID® represents weak returns
in blue and strong returns in red. WhiteLine® highlights the strongest sonar returns in
white resulting in a distinctive outline. This has the benefit of clearly defining the
bottom on the display. See Bottom Presentation for more information.
To adjust the Bottom View:
To change the RTS® Window setting:
1. Highlight Bottom View on the Sonar Main Menu.
1. Highlight RTS® Window on the Sonar main
menu.
RTS® Window (Wide)
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Bottom View
setting. (Structure ID, WhiteLine, Default = Structure ID)
2. Use the LEFT or RIGHT 4-WAY Cursor Control
keys to change the RTS® Window setting.
(Wide, Narrow, Off, Default = Narrow)
ZOOM WIDTH
(Sonar Zoom View only)
Zoom Width allows you to control the width of the Zoomed Sonar (the left-hand side
of the screen).
To change the Zoom Width:
1. Highlight Zoom Width on the Sonar Main menu.
RTS® Window (Narrow)
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the width of the
Zoomed Sonar. (Narrow, Medium, Wide, Default = Narrow)
RTS® Window (Off)
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50 KHZ SENSITIVITY
SURFACE CLUTTER
(Advanced, 937c DF Combo and 931c DF models only)
(Advanced)
50 kHz Sensitivity changes the sensitivity of the 50 kHz beam. Increasing the 50 kHz
Surface Clutter adjusts the filter that removes surface clutter noise caused by algae
and aeration. The lower the setting, the less surface clutter will be displayed. The
Surface Clutter menu choice is available when User Mode is set to Advanced (see Setup
Menu Tab: User Mode).
Sensitivity will display additional weak returns and decreasing the 50 kHz Sensitivity
will display fewer weak returns. The 50 kHz Sensitivity menu choice is only available
when User Mode is set to Advanced (see Setup Menu Tab: User Mode).
To change the Surface Clutter setting:
To set the 50 kHz Sensitivity:
1. Make sure you are in Advanced User Mode, then highlight 50 kHz Sensitivity
on the Sonar main menu.
1. Make sure you are in Advanced User Mode, then
highlight Surface Clutter on the Sonar main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to set the 50 kHz Sensitivity.
(-10 to +10, Default = 0)
2. Use the LEFT or RIGHT 4-WAY Cursor Control
keys to change the Surface Clutter setting. (Low =
1 to High = 10, Default = 5)
Surface Clutter
DEPTH LINES
NOISE FILTER
(Advanced)
(Advanced)
Depth Lines divide the display into four equal sections that are separated by three
horizontal depth lines. The depth of each line is displayed along the depth scale. You
can either turn Depth Lines On or Off. The Depth Lines menu choice is available when
User Mode is set to Advanced (see Setup Menu Tab: User Mode).
Noise Filter adjusts the sonar Noise Filter to limit interference on the display from sources
such as your boat engine, turbulence, or other sonar devices. The Noise Filter menu choice
is available when User Mode is set to Advanced (see Setup Menu Tab: User Mode).
NOTE: The Off setting removes all filtering; Low, Medium and High settings add progressive
filtering of the sonar returns. In some deep water situations, the High setting may actually
make it harder for the control head to find the bottom.
To change the Depth Lines setting:
1. Make sure you are in Advanced User Mode,
then highlight Depth Lines on the Sonar main
menu.
Depth Lines
To change the Noise Filter setting:
1. Make sure you are in Advanced User Mode, then highlight Noise Filter on the
Sonar main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Noise Filter
setting. (Off, Low, Medium, High, Default = Off)
2. Use the LEFT or RIGHT 4-WAY Cursor Control
keys to turn the Depth Lines setting On or Off.
(Off, On, Default = On)
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MAX DEPTH
WATER TYPE
(Advanced)
(Advanced)
Max Depth adjusts the maximum depth of operation. The performance of your 900
Series™ can be tuned to the maximum depth you will be fishing in by setting the Max
Depth. When a maximum depth is set, your 900 Series™ will not attempt to acquire
sonar data below that depth, thus increasing overall performance. When Max Depth
is set to Auto, the 900 Series™ will acquire bottom readings as needed (within the
capacity of the unit). If the bottom is deeper than the Max Depth setting, the digital
depth readout will flash, indicating that the 900 Series™ cannot locate the bottom.
The Max Depth menu choice is available when User Mode is set to Advanced (see
Setup Menu Tab: User Mode).
Water Type configures your unit for operation in fresh or salt water. The Water Type menu
choice is available when User Mode is set to Advanced (see Setup Menu Tab: User Mode).
NOTE: In salt water, what would be considered a large fish might be 2 to 10 times bigger
than a large fish in fresh water (depending on the type of fish you are seeking). The salt
water setting allows for a greater range in fish size adjustment to account for this. Also,
make sure that the Water Type is set accurately, especially in salt water, as this affects the
accuracy of deep water depth readings.
To change the Water Type setting:
1. Make sure you are in Advanced User Mode, then highlight Water Type on the
Sonar main menu.
To change the Max Depth setting:
1. Make sure you are in Advanced User Mode, then highlight Max Depth on the
Sonar main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Water Type
setting. (Fresh, Salt, Default = Fresh)
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Max Depth
setting. (AUTO, 10 to 2500 feet for 937c DF Combo and 931c DF models, 10 to
1000 feet for 937c Combo and 931c models, 3 to 780 meters for 937c DF Combo
and 931c DF models, 3 to 330 meters for 937c Combo and 931c models
[International models only], Default = AUTO)
TRANSDUCER SELECT
Transducer Select allows you to select which
transducer you want to use, Single Beam or Dual 50/200 Beam.
NOTE: The transducer setting must correspond to the transducer type connected to your
system. If you have a Single frequency (937c Combo or 931c model) control head, you will
need to set Transducer Select to Single Beam in order for your control head to work
properly.
To change the selected Transducer:
1. Highlight Transducer Select on the Sonar Main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the transducer
selected. (Dual 50/200, Single Beam, Default = Dual 50/200)
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COLOR BAR
NAVIGATION MENU TAB
(With 937c DF Combo and 937c Combo models only)
Color Bar allows you to display or suppress the
display of the color bar shown in the full screen Sonar View.
Press the MENU key twice to access the Main
Menu System, then press the RIGHT cursor key to
select the Navigation tab.
To change the display of the Color Bar:
1. Highlight Color Bar on the Sonar Main menu.
NOTE: Menu choices will vary depending on system
settings.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the display of the
color bar. (Off, On, Default = On)
TEMPERATURE GRAPH
(Sonar View only, with Temperature input)
Temperature Graph allows you to display or suppress a water temperature graph over
the main Sonar View to show temperature changes correlated to recent sonar history.
To change the display of the Temperature Graph:
1. In the Sonar View, highlight Temperature Graph on the Sonar main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the display of water
temperature. (Off, On, Default = Off)
Navigation Menu
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TRACKS
Edit allows you to choose from a list of previously-saved waypoints, then edit the
Name, Position (Latitude and Longitude) and select the Icon that will be used to
represent the waypoint in the Chart and Combo Views.
Tracks allows you to view the Tracks submenu.
Tracks Submenu
To view the Tracks Submenu:
Delete allows you to delete a waypoint from the list of saved waypoints.
1. Highlight Tracks on the Navigation main menu.
Go To allows you to select a waypoint and start navigation toward that waypoint, or
add that waypoint to the end of the current route.
2. Use the RIGHT 4-WAY Cursor Control keys to view
the Tracks submenu.
Target allows you to apply a target to a waypoint selected from the list of waypoints.
Grid allows you to apply a trolling grid to a waypoint selected from the list of waypoints.
The Tracks Submenu contains the following menu choices:
ROUTES
Edit allows you to select a previously-saved track and edit its name.
Delete allows you to delete a track from a list of previously-saved tracks.
Visibility allows you to display or hide each saved track.
Routes allows you to view the Routes submenu.
To view the Routes Submenu:
WAYPOINTS
1. Highlight Routes on the Navigation main menu.
Waypoints allows you to view the Waypoints
submenu.
Routes Submenu
To view the Waypoints Submenu:
The Routes Submenu contains the following menu choices:
1. Highlight Waypoints on the Navigation main
menu.
Waypoints Submenu
2. Use the RIGHT 4-WAY Cursor Control keys to view
the Routes submenu.
Create allows you to create a new, empty route and add waypoints to it immediately.
Edit allows you to select a previously-saved route and edit its name and the waypoints on it.
2. Use the RIGHT 4-WAY Cursor Control keys to view
the Waypoints submenu.
Delete allows you to delete a route from a list of previously-saved routes.
Travel allows you to select a previously-saved route to use as the current route; this
menu setting also begins navigation on this route. Routes can be traveled in either the
forward or reverse direction.
The Waypoints Submenu contains the following menu choices:
Create allows you to create a new waypoint and edit it immediately. The current boat
position will be used as the default, but you can set the coordinates to any valid
position. The Icon used to represent the waypoint in the Chart and Combo Views can
also be changed.
Info displays information about the route, including the distance and bearing from
each waypoint to the next.
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CHART ORIENTATION
TRACKPOINT INTERVAL
Chart Orientation allows you to select whether
the views containing charts should be drawn North-Up or Course-Up.
Trackpoint Interval allows you to select the time
period between trackpoints. The current track can only contain up to 2000 trackpoints, so
longer time periods cause the track to extend back further in time, but will be less detailed.
To change the Chart Orientation setting:
NOTE: Trackpoint Interval works in conjunction with Track Min Distance. Both conditions
must be met before a trackpoint is added to the current track.
1. Highlight Chart Orientation on the Navigation main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Chart
Orientation setting. (North-Up, Course-Up, Default = North-Up)
To change the Trackpoint Interval setting:
1. Highlight Trackpoint Interval on the Navigation main menu.
NOTE: The Chart Orientation setting does not apply to the Bird's Eye View.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Trackpoint
Interval setting. (1 second, 5 seconds, 10 seconds, 15 seconds, 30 seconds or 60
seconds, Default = 15 seconds)
NORTH REFERENCE
North Reference allows you to have bearings
displayed with one of two orientations: True North or Magnetic North.
NOTE: During slow travel or drift, setting both Trackpoint Interval and Track Min Distance to
small values will allow you to increase the track resolution.
To change the North Reference setting:
TRACK MIN DISTANCE
1. Highlight North Reference on the Navigation main menu.
(Advanced)
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the North Reference
setting. (True, Magnetic, Default = True)
Track Min Distance allows you to set a minimum distance of travel before a trackpoint
is added to the track.
TROLLING GRID ROTATION
NOTE: Track Min Distance works in conjunction with Trackpoint Interval. Both conditions
must be met before a trackpoint is added to the current track.
Trolling Grid Rotation allows you to set the
orientation of the trolling grid in degrees, where a setting of 0° displays a standard North,
South, East, West alignment. See Waypoints for information on how to set a Grid.
To change the Track Minimum Distance setting:
1. Make sure you are in Advanced User Mode, then highlight Track Min Distance
on the Navigation main menu.
To change the Trolling Grid Rotation setting:
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Track Min Distance
setting. (1 to 300 feet or 1 to 100 meters [International Units Only], Default = 16 ft, 5 m)
1. Highlight Trolling Grid Rotation on the Navigation main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Trolling Grid
Rotation setting. (0° to 89°, Default = 0°)
NOTE: During slow travel or drift, setting both Trackpoint Interval and Track Min Distance to
small values will allow you to increase the track resolution.
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MAP DATUM
DELETE ALL NAV DATA
(Advanced)
(Advanced)
Map Datum allows you to change the map coordinate system used by the 900 Series™
to match those of a paper map.
Delete All Nav Data allows you to delete all saved Tracks, Waypoints and Routes. This
menu choice should be used with caution.
To change the Map Datum setting:
To Delete All Navigation Data:
1. Make sure you are in Advanced User Mode, then highlight Map Datum on the
Navigation main menu.
1. Make sure you are in Advanced User Mode, then highlight Delete All Nav Data
on the Navigation main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Map Datum
setting. (Default = WGS 84)
2. Use the RIGHT 4-WAY Cursor Control key to delete all navigation data.
EXPORT ALL NAV DATA
(Advanced)
Export All Nav Data allows you to export all saved Tracks, Waypoints and Routes to an
MMC/SD card.
To Export All Navigation Data:
1. Make sure you are in Advanced User Mode, and that an optional-purchase
MMC/SD card is installed in the slot, then highlight Export All Nav Data on the
Navigation main menu.
2. Use the RIGHT 4-WAY Cursor Control key to export all navigation data.
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CHART MENU TAB
CHART DETAIL LEVEL
(With 937c DF Combo and 937c Combo models only)
Chart Detail Level allows you to select how much
chart detail you want displayed on the Navigation Views. Basic shows land areas,
ports, obstructions and restricted areas. Navigation shows navaids, landmarks,
ferryways and navigation routes in addition to the Basic information. Underwater
shows depth contours, fishing areas, underwater wrecks, tides and currents in addition
to the Basic and Navigation information. All shows roads, buildings, railways, and
other notations in addition to the Basic, Navigation and Underwater information.
Press the MENU key twice to access the Main
Menu System and then press the RIGHT Cursor
key to select the Chart tab.
NOTE: Menu choices will vary depending on system
settings such as whether the unit is set for Advanced
User mode.
To change the Chart Detail Level setting:
NOTE: This menu tab only appears on 937c DF Combo
and 937c Combo models.
1. Highlight Chart Detail Level on the Navigation main menu.
Chart Menu
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Chart Detail
Level setting. (Basic, Navigation, Underwater, All, Default = All)
NOTE: Some chart details are only available with optional-purchase MMC/SD cards.
MAP BORDERS
Map Borders allows you to display or hide map
borders. A Map Border indicates an area which contains a different map.
To change the Map Borders setting:
1. Highlight Map Borders on the Navigation main
menu.
Map Borders
64
2. Use the LEFT or RIGHT 4-WAY Cursor Control
keys to change the Map Borders setting. (Hidden,
Visible, Default = Hidden)
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LAT/LON GRID
SHADED DEPTH
Lat/Lon Grid allows you to display or hide a grid
showing latitude and longitude lines.
Shaded Depth allows you to change the depth
used for shading on the chart views.
To change the Lat/Lon Grid setting:
To change the Shaded Depth setting:
1. Highlight Lat/Lon Grid on the Navigation main menu.
1. Highlight Shaded Depth on the Navigation main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Lat/Lon Grid
setting. (Hidden, Visible, Default = Hidden)
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Shaded
Depth setting. (Off, 1 to 60 Feet or 1 to 20 Meters [International Units Only],
Default = 15 ft, 5 m)
SPOT SOUNDINGS
SET SIMULATION POSITION
z
Spot Soundings allows you to display or hide spot
soundings, which are depth measurements shown on the chart.
(Advanced)
Set Simulation Position allows you to set the position of the boat used in the
Simulator.
NOTE: Spot Soundings are only available with optional-purchase MMC/SD cards.
To change the Spot Soundings setting:
To set the Simulation Position:
1. Highlight Spot Soundings on the Navigation main menu.
1. Activate the cursor and move it to the coordinates from where you want
simulation to start.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Spot Soundings
setting. (Hidden, Visible, Default = Hidden)
NOTE: The cursor must be active in order for this procedure to work.
2. Make sure you are in Advanced User Mode, then highlight Set Simulation
Position on the Navigation main menu.
3. Use the RIGHT 4-WAY Cursor Control key to change the Simulation Position
setting. A confirmation dialog box will appear to allow you to change your
mind, or to confirm your choice. If the cursor was not active before you
began this procedure, you will see an error message. Exit the menu, set the
cursor, then try again.
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SET MAP OFFSET
ALARMS MENU TAB
(Advanced)
From any view, press the MENU key twice to
access the Main Menu System. The Alarms tab
will be the default selection.
Set Map Offset allows you to change the map offset used by the 900 Series™.
NOTE: The Map Offset will be applied to all maps and not just the map that requires the
correction. The Map Offset should be cleared if a different map is to be used.
NOTE: When an alarm is triggered, you can silence it
by pressing any key. The alarm will be silenced, and
will not be triggered again until a new instance of the
alarm condition is detected.
To change the Map Offset setting:
1. Activate the cursor and move it location where the Map Offset will be applied.
NOTE: The cursor must be active in order for this procedure to work.
2. Make sure you are in Advanced User Mode, then highlight Set Map Offset on
the Navigation main menu.
Alarms Menu
3. Use the RIGHT 4-WAY Cursor Control key to set the Map Offset. A confirmation
dialog box will appear to allow you to change your mind, or to confirm your
choice. If the cursor was not active before you began this procedure, you will see
an error message. Exit the menu, set the cursor, then try again.
CLEAR MAP OFFSET
(Advanced)
Clear Map Offset allows you to clear the Map Offset. Clear Map Offset is only
accessible if a Map Offset is currently active.
To Clear Map Offset:
1. Make sure you are in Advanced User Mode, then highlight Clear Map Offset on
the Navigation main menu.
2. Use the RIGHT 4-WAY Cursor Control key to clear the Map Offset.
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DEPTH ALARM
LOW BATTERY ALARM
Depth Alarm sounds when the depth becomes
equal to or less than the menu setting.
Low Battery Alarm sounds when the input
battery voltage is equal to or less than the menu setting. The battery alarm will only
sound for the battery that is connected to the 900 Series™. The Low Battery Alarm
should be set to warn you when the battery voltage drops below the safety margin
that you have determined. For instance, if you are running a trolling motor (battery
operated), you would want to set the Low Battery Alarm to sound before the battery
voltage drops too low for it to be used to start your main, gasoline-powered engine.
To change the Depth Alarm setting:
1. Highlight Depth Alarm on the Alarms main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Depth Alarm
setting. (OFF, 1 to 100 feet, or 0.5 to 30 meters [International models only],
Default = OFF)
To change the Low Battery Alarm setting:
1. Highlight Low Battery Alarm on the Alarms main menu.
FISH ID ALARM
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Low Battery
Alarm setting. (Off, 9.0V - 13.5V, Default = Off)
Fish ID Alarm sounds when the 900 Series™
detects fish that correspond to the alarm setting. Fish ID Alarm will only sound if Fish
ID+™ is on.
TEMP ALARM
For example, if you've set the Fish ID Alarm to sound for Large fish only, the Fish ID alarm will
sound when a large-sized fish is detected.
Temp Alarm sounds when the water temperature
detected by the 900 Series™ reaches the Temp Alarm setting, which is either set in
degrees Fahrenheit or Celsius [International models only]. For example, if the Temp
Alarm is set to 58° Fahrenheit, and the water temperature falls from 60° to 58°, the
Temp Alarm will sound. Similarly, if the water temperature rises from 56° to 58°, the
Temp Alarm will also sound.
To change the Fish ID Alarm setting:
1. Highlight Fish ID Alarm on the Alarms main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Fish ID Alarm
setting. (Off, All, Large/Medium, Large, Default = Off)
To change the Temp Alarm setting:
1. Highlight Temp Alarm on the Alarms main menu.
Off
2. Use the LEFT or RIGHT 4-Way Cursor Control keys to change the Temp Alarm
setting. (Off, 32-120 [Fahrenheit], 0-50 [Celsius [International models only]],
Default = Off)
Large
Large/Medium
All
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OFF COURSE ALARM
ARRIVAL ALARM
(With 937c DF Combo and 937c Combo models only)
(With 937c DF Combo and 937c Combo models only)
Off Course Alarm sounds when the boat has moved too far off course based on the
menu setting when navigating. Off Course Alarm allows you to set how far the boat is
allowed to move off course before the Off Course Alarm will sound.
Arrival Alarm sounds when the boat has either exceeded the distance to the
destination waypoint, or has entered the Arrival Alarm Circle, based on the menu
setting when navigating. Arrival Alarm allows you to set how close the boat must be
to the destination waypoint before the Arrival Alarm will sound.
To change the Arrival Alarm setting:
1. Highlight Arrival Alarm on the Alarms main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Arrival Alarm
setting. (Off, 30 to 3000 feet, 10 to 1000 meters [International models only],
Default = 150 ft, 50 m)
2
DRIFT ALARM
(With 937c DF Combo and 937c Combo models only)
1
1 Arrival Alarm Circle
Drift Alarm sounds when the boat has exceeded the distance from the boat’s anchored
position, based on the menu setting. Drift Alarm allows you to set the size of a
perimeter around the boat’s anchored position; if the anchored boat drifts outside of
that perimeter, the Drift Alarm will sound.
Off Course Limits 2
To change the Drift Alarm setting:
1. Highlight Drift Alarm on the Alarms main
menu.
To change the Off Course Alarm setting:
1. Highlight Off Course Alarm on the Alarms main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Off Course
Alarm setting. (Off, 30 to 3000 feet, 10 to 1000 meters [International models
only], Default = 300 ft, 100 m)
Drift Alarm Circle
68
2. Use the LEFT or RIGHT 4-WAY Cursor Control
keys to change the Drift Alarm setting. (Off, 30 to
3000 feet, 10 to 1000 meters [International
models only], Default = Off)
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ALARM TONE
Alarm Tone selects the pitch of the alarm sound. A
brief tone will be produced as you adjust the Alarm Tone so that you can select the
tone that you can hear best.
To change the Alarm Tone setting:
1. Highlight Alarm Tone on the Alarms main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Alarm Tone
setting. (High, Medium, Low, Default = Medium)
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SETUP MENU TAB
UNITS - DEPTH
From any view, press the MENU key twice to
access the tabbed Main Menu System, then press
the RIGHT cursor key until the Setup tab is
selected.
Units - Depth selects the units of measure for all
depth-related readouts.
To change the Units - Depth setting:
1. Highlight Units - Depth on the Setup menu.
NOTE: Menu choices will vary depending on system
settings such as whether the unit is set for Advanced
User mode and what accessories are attached to the
control head.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Units - Depth
setting. (Meters [International models only], Feet, Fathoms; Default is Meters
for International models, and Feet for Domestic models)
UNITS - TEMP
(International only)
Units - Temp selects the units of measure for all temperature-related readouts.
International models only.
To change the Units - Temp setting:
1. Highlight Units - Temp on the Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Units - Temp
setting. (Celsius, Fahrenheit; Default = Celsius)
Setup Menu
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UNITS - DISTANCE
USER MODE
(With Speed input only)
User Mode sets the menu system to either
Normal or Advanced. When set to Normal, only the basic menu options are shown.
When set to Advanced (default setting), additional menu choices are available.
Units - Distance selects the units of measure for all distance-related readouts.
To change the Units - Distance setting:
To change the User Mode setting:
1. Highlight Units - Distance on the Setup menu.
1. Highlight User Mode on the Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Units - Distance
setting. (Domestic Models: Statute Miles, Nautical Miles; Default = Statute
Miles; International Models: Meters/Kilometers, Meters/Nautical Miles,
Feet/Statute Miles, Feet/Nautical Miles; Default = Meters/Kilometers)
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the User Mode
setting. (Normal, Advanced, Default = Advanced)
LANGUAGE
UNITS - SPEED
(International Only)
(With Speed input only)
Language selects the display language for menus. International models only.
Units - Speed selects the units of measure for speed-related readouts.
To change the Language setting:
To change the Units - Speed setting:
1. Highlight Language on the Setup menu.
1. Highlight Units - Speed on the Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Language
setting. (Default = English)
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Units - Speed
setting. (kph [International models only], mph, kts, Default = kph for International
models and mph for Domestic models)
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TRIPLOG RESET
SELECT READOUTS
(With Speed Input Only)
(Advanced)
Triplog Reset resets the Triplog to zero. The Triplog provides the following information:
timer for elapsed time, distance traveled since last reset, and average speed.
To Reset Triplog:
1. Highlight Reset Triplog on the Setup menu.
2. Use the RIGHT 4-WAY Cursor Control key to initiate Triplog Reset.
3. The Confirm dialog box will appear. To reset the Triplog, press the RIGHT Cursor
key once more. To cancel Reset Triplog, press the LEFT Cursor key.
RESTORE DEFAULTS
Select Readouts
Restore Defaults resets ALL menu settings to their
factory defaults. Use this menu choice with caution!
Select Readouts allows you to customize the information
displayed in individual digital readouts on the left side of
many views, including suppressing a particular readout so
that nothing is displayed; the ability to customize readouts
depends on the view and whether you are navigating. This
Advanced feature allows you to select what data will be
displayed in each of 5 fixed-position data windows
arranged at the left edge of the Sonar View screen, or
whether a particular data window will be turned off,
displaying nothing in that area; you can access this menu
choice only when in Advanced User Mode (see Setup Menu
Tab: User Mode.)
Data windows can display readouts from supported accessories such as a Speed
accessory. Each data window can either be empty (Off) or contain one of the following:
To Restore Defaults:
•
•
•
•
•
1. Highlight Restore Defaults on the Setup menu.
2. Use the RIGHT 4-WAY Cursor Control key to initiate restoring defaults.
3. The Confirm dialog box will appear. To reset the defaults, press the RIGHT Cursor
key once more. To cancel Restore Defaults, press the LEFT Cursor key.
Heading
• Temperature
Depth
• Time + Date
Position
• Triplog
Voltage
• Water Speed (only with a Speed accessory)
Speed (if there is a GPS Receiver, then this refers to the speed detected by the GPS
Receiver; if no GPS Receiver, then this refers to the speed of the paddlewheel)
Sonar-only Views, Not Navigating: On Sonar-only views, as long as you are not
navigating, all 5 readouts are customizable.
Other Views, Not Navigating: On any view with a chart, as long as you are not
navigating, two of the readouts are not customizable: the 2nd box always displays
Heading, while the 5th box always displays Speed. On the Bird’s Eye View, when you
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are not navigating, there are four fixed info boxes that show Depth, Heading, Position
(Lat/Lon) and Speed. When you are navigating in the Bird's Eye View, there are two
columns of four boxes. The first column shows Depth, Time To Go (TTG), Position
(Lat/Lon), and Speed. The second column shows Cross Track Error (XTE), Heading,
Bearing, and Distance To Go (DTG).
All Views, Navigating: When you are navigating, all readouts in all views (even split
screen views with a Sonar display) cannot be customized, with the exception of the top
readout info box, which is still customizable. In any view, while you are navigating, the
second readout box shows Heading, the third box shows Bearing, the fourth box is
divided to show Cross Track Error (XTE) and Distance To Go (DTG), and the fifth box is
divided to show Time To Go (TTG) and Speed.
Customized Sonar View
To Select Readouts:
.
1. Make sure you are in Advanced User Mode, then highlight Select Readouts on
the Setup main menu.
2. Use the RIGHT 4-WAY Cursor Control key to initiate this procedure.
3. The Select Readouts submenu will appear, showing a list of all Readouts. Use
the UP or DOWN Cursor keys to select a particular Readout position, then use
the RIGHT or LEFT Cursor keys to change what will be displayed at that position.
(Heading, Depth, Navigation, Position, Off, Speed, Temperature, Time+Date,
Triplog, Voltage, Water Speed)
Default Sonar View
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DEPTH OFFSET
SPEED CALIBRATION
(Advanced)
(Advanced, with Speed paddlewheel only)
Depth Offset will adjust the digital depth readout to indicate depth from the waterline
or boats keel. Enter a positive vertical measurement from the transducer to the
waterline to read the depth from the waterline. Enter a negative vertical measurement
from the transducer to keel to read the depth from the keel. This menu choice is
available only when in Advanced User Mode (see Setup Menu Tab: User Mode.)
Speed Calibration will adjust the speed readout by the percentage entered, and
will appear in the menu if a Speed accessory is connected and the paddlewheel has
moved at least once, when the unit is in Advanced User Mode (see Setup Menu Tab:
User Mode.)
To change the Speed Calibration setting:
To change the Depth Offset setting:
1. Make sure you are in Advanced User Mode, then highlight Speed Calibration on
the Setup menu.
1. Make sure you are in Advanced User Mode, then highlight Depth Offset on the
Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Speed
Calibration setting. (-20% to +20%, Default = 0%)
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Depth Offset
setting. (-10.0 to +10.0 feet or -3 to 3 meters [International models only], Default
= 0.0, or Off)
LOCAL TIME ZONE
(Advanced, with 937c DF Combo and 937c Combo models only)
TEMP OFFSET
Local Time Zone selects your time zone in reference to the time reported by the GPS
receiver when Time+Date is selected as a Digital Readout on the Sonar View (see Select
Readouts). This menu choice is available only when in Advanced User Mode (see Setup
Menu Tab: User Mode.)
(Advanced)
Temp Offset will adjust the temperature readout by the amount entered. This
menu choice is available only when in Advanced User Mode (see Setup Menu Tab:
User Mode.)
To change the Local Time Zone:
To change the Temp Offset setting:
1. Make sure you are in Advanced User Mode, then highlight Local Time Zone on
the Setup menu.
1. Make sure you are in Advanced User Mode, then highlight Temp Offset on the
Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Local Time Zone
(Default = EST [UTC-5] - Eastern Standard Time).
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Temp Offset
setting. (-10.0 to +10.0 degrees, Default = 0.0, or Off)
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DAYLIGHT SAVING TIME
TIME FORMAT
(Advanced, with 937c DF Combo and 937c Combo models only)
(Advanced)
(937c DF Combo and 937c Combo Models, International Only)
Daylight Saving Time adjusts the time display to account for local Daylight Saving
Time. Selecting On adds one hour to the time display adjusted for your local time
zone. Selecting Off leaves the time display as adjusted for your local time zone. This
menu choice is available only when in Advanced User Mode (see Setup Menu Tab:
User Mode.)
Time Format changes the time format used by the unit This menu choice is available
only when in Advanced User Mode (see Setup Menu Tab: User Mode.) International
models only. Time Format selects a 12 hour or 24 hour format for the time of day
displayed when Time + Date is selected as a Digital Readout on the Sonar View (see
Select Readouts).
To change the Daylight Saving Time setting:
To change the Time Format:
1. Make sure you are in Advanced User Mode, then highlight Daylight Saving Time
on the Setup menu.
1. Make sure you are in Advanced User Mode, then highlight Time Format on the
Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to turn Daylight Saving Time
On or Off. (Off, On, Default = Off)
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Time Format.
(12 hour, 24 hour, Default = 12 hour)
POSITION FORMAT
DATE FORMAT
(Advanced)
(937c DF Combo and 937c Combo Models, International Only)
(Advanced, with 937c DF Combo and 937c Combo models only)
Position Format selects the format of the latitude and longitude position display.
This menu choice is available only when in Advanced User Mode (see Setup Menu
Tab: User Mode.)
Date Format changes the date format used by the unit This menu choice is available
only when in Advanced User Mode (see Setup Menu Tab: User Mode.) International
models only. Date Format selects the format for the date display when Time + Date is
selected as a Digital Readout on the Sonar View. (see Select Readouts).
To change the Position Format setting:
To change the Date Format:
1. Make sure you are in Advanced User Mode, then highlight Position Format on
the Setup menu.
1. Make sure you are in Advanced User Mode, then highlight Date Format on the
Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Position Format.
(dd.ddddd°, dd°mm.mmm', or dd°mm'ss", Default = dd°mm.mmm')
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Date Format.
(mm/dd/yy, dd.mm.yy or yy.mm.dd, Default = mm/dd/yy)
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NMEA OUTPUT
SONAR
(Advanced)
(937c DF Combo and 937c Combo models only)
NMEA Output turns the NMEA output on or off. This menu choice is available only
when in Advanced User Mode (see Setup Menu Tab: User Mode.)
Sonar deactivates Sonar and removes the Sonar Views from the view rotation.
To turn Sonar on or off:
The following NMEA sentences are output:
1. Highlight Sonar on the Setup menu.
DPT- Depth
MTW - Water Temperature
GLL - Lat/Lon Position
GGA - GPS Fix Data
RMC - Recommended Minimum Specific GNSS Data
VTG - Course Over Ground and Ground Speed
ZDA - Time and Date
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Sonar to On or
Off (Off, On, Default = On).
When navigating, the following NMEA sentences are also output:
APB - Autopilot Sentence B
BWR - Bearing and Distance to Waypoint
RMB - Recommended Minimum Navigation Info
To turn NMEA Output on or off:
1. Make sure you are in Advanced User Mode, then highlight NMEA Output on the
Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the NMEA Output
to On or Off (Off, On, Default = Off).
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VIEWS MENU TAB
ACCESSORIES MENU TAB
From any view, press the MENU key twice to access the
tabbed Main Menu System, then press the RIGHT 4WAY Cursor Control key until the Views tab is selected.
This menu tab allows you to set the available views to
either hidden or visible in the view rotation. The view
will be removed from the view rotation if it is set to
Hidden and will be displayed in the view rotation if it
is set to Visible. The following views are available:
From any view, press the MENU key twice to access the tabbed Main Menu System,
then press the RIGHT cursor key until the Accessories tab is selected.
If no accessories are attached to the Accessory Bus, no menu choices will appear under
the Accessories tab. If an accessory is attached, however, additional menu choices that
support the accessory will be added automatically. See the Operations Manual that
comes with your accessory for detailed information.
• Bird’s Eye View
(937c DF Combo and 937c Combo models only)
• Chart/Bird’s Eye Combo View
(937c DF Combo and 937c Combo models only)
• Chart View
(937c DF Combo and 937c Combo models only)
• Chart/Sonar Combo View
(937c DF Combo and 937c Combo models only)
• Sonar View
• Sonar Zoom View
• Split Sonar View
(937c DF Combo/931c DF models only)
• Self Test
• Accessory Test
• GPS Diagnostic View
(937c DF Combo and 937c Combo models only).
Accessories Menu
(no accessories attached)
Accessories Menu
(with accessories attached)
NOTE: Accessories to enable WeatherSense® and the SmartCast® Wireless Sonar Link (WSL)
require separate purchases. You can visit our website at www.humminbird.com or contact
our Customer Resource Center at 1-800-633-1468 for additional details.
To Change the View Status of Any View:
1. Highlight the View main menu tab.
2. Use the UP or DOWN 4-WAY Cursor Control keys to select a View.
3. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the status of the
view from Hidden to Visible or vice versa.
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TROUBLESHOOTING
Before contacting the Humminbird® Customer Resource Center, please read the
following section. Taking the time to review these troubleshooting guidelines may
allow you to solve a performance problem yourself, and therefore avoid sending your
unit back for repair.
900 Series™ Doesn’t Power Up
If your 900 Series™ doesn’t power up, use the Installation Guide that also comes with
it for specific confirmation details, making sure that:
• the power cable is properly connected to the 900 Series™ control head,
• the power cable is wired correctly, with red to positive battery terminal and black
to negative terminal or ground
• the fuse is operational
• the battery voltage of the power connector is at least 10 Volts.
Correct any known problems, including removing corrosion from the battery terminals
or wiring, or actually replacing the battery if necessary.
900 Series™ Defaults to Simulator with a Transducer Attached
A connected and functioning transducer will cause the newly-started 900 Series™ to
go into Normal operating mode automatically. If, when you power up the 900 Series™,
it goes into Simulator mode automatically, even though a transducer is already
connected, this means that the control head is not detecting the transducer. Perform
the following troubleshooting tasks:
• Using the Installation Guide that also comes with your 900 Series™, check to
make sure that the transducer cable is securely connected to the 900 Series.
Reconnect if necessary, and power up the 900 Series™ again to see if this fixes
the problem.
• Replace the non-functioning transducer with a known good transducer if
available and power up the control head again.
• Check the transducer cable. Replace the transducer if the cable is damaged or
corroded.
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DISPLAY PROBLEMS
There are several main conditions or sources of possible interference that may cause problems with the quality of the information displayed on the control head. Look in the
following table for some symptoms of display problems and possible solutions:
Problem
Possible Cause
The control head loses power at high speeds.
If the power output of your boat’s engine is unregulated, the control head may be protecting itself using its over-voltage
protection feature. Make sure the input voltage does not exceed 20 Volts.
When the boat moves at higher speeds, the
bottom disappears or suddenly weakens, or
the display contains gaps.
The transducer position may need to be adjusted. A mix of air and water flowing around the transducer (cavitation) may
be interfering with the interpretation of sonar data. See your Installation Guide for suggestions on adjusting the
transducer position.
Electrical noise from the boat’s engine may be interfering with sonar reception. See Finding the Cause of Noise for more
information.
There are no fish detected, even when you
know they are in the water under the boat,
or sonar readings seem weak or faulty.
Sonar readings may be affected if the transducer is not positioned correctly (i.e. mounted at an angle, not straight down),
or there is some kind of mechanical interference, either because it is mounted inside a hull that is too thick for proper
sonar transmission, the bond between the transducer and the hull is not airtight, or because the transducer is dirty.
Check with your Installation Guide for guidance on re-positioning the transducer, and make sure the transducer is clean.
Low battery voltage may be affecting the power of signal transmission.
Electrical noise from the boats engine may be interfering with sonar reception. See Finding the Cause of Noise for more
information.
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FINDING THE CAUSE OF NOISE
Electrical noise usually affects the display with many black dots at high speeds, and high sensitivity readings. One or more of the following sources can cause noise or interference:
Possible Source of Noise
Isolation
Other electronic devices
Turn off any nearby electronic devices to see if the problem goes away, then turn them on one at a time to see if the
noise re-appears.
The boat’s engine
To determine whether the boat’s engine is the source of the noise, increase the RPMs while the boat is in neutral and
stationary to see if the noise increases proportionately; if noise appears when you rev the engine, the problem could
be the spark plugs, alternator, or tachometer wiring. Replace the spark plugs with resistor plugs, install an alternator
filter, or route the control head power and transducer cables away from the engine wiring.
Cavitation from the boat’s propeller
Turbulence created by the propeller can cause noise; make sure the transducer is mounted at least 15” (38 cm) from the
propeller, and that the water flows smoothly over the face of the transducer at all times.
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1-YEAR LIMITED WARRANTY
HUMMINBIRD® SERVICE POLICY
We warrant the original retail purchaser that products made by Humminbird® have
been manufactured free from defects in materials and workmanship. This warranty is
effective for one year from the date of original retail purchase. Humminbird® products
found to be defective and covered by this warranty will be replaced or repaired free of
charge at Humminbird®’s option and returned to the customer freight prepaid.
Humminbird®’s sole responsibility under this warranty is limited to the repair or
replacement of a product that has been deemed defective by Humminbird®.
Humminbird® is not responsible for charges connected with the removal of such
product or reinstallation of replaced or repaired parts.
Even though you'll probably never need to take advantage of our incredible service
policy, it's good to know that we back our products this confidently. We do it
because you deserve the best. We will make every effort to repair your unit within
three business days from the receipt of your unit at our factory. This does not
include shipping time to and from our factory. Units received on Friday are typically
shipped by the following Wednesday, units received Monday are typically shipped
by Thursday, etc.
All repair work is performed by factory-trained technicians to meet exacting factory
specifications. Factory-serviced units go through the same rigorous testing and quality
control inspections as new production units.
This warranty does not apply to a product that has been:
• Improperly installed;
• Used in an installation other than that recommended in the product installation
and operation instructions;
• Damaged or has failed because of an accident or abnormal operation;
• Repaired or modified by entities other than Humminbird®.
After the original warranty period, a standard flat rate service charge will be assessed
for each repair (physical damage and missing parts are not included). Any repairs
made after the original warranty will be warranted for an additional 90 days after
service has been performed by our factory technicians. You can contact our Customer
Resource Center or visit our website to verify the flat rate repair fee for your product
(visit the Product Support section):
Please retain your original receipt as a proof of the purchase date. This will be required
for in-warranty service.
http://www.humminbird.com
We reserve the right to deem any product unserviceable when replacement parts are
no longer available or impossible to obtain. This Service Policy is valid in the United
States only. This applies only to Humminbird® products returned to our factory in
Eufaula, Alabama. This Service Policy is subject to change without notice.
THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY OTHER WARRANTIES, OBLIGATIONS OR
LIABILITIES ON THE PART OF HUMMINBIRD® AND WILL BE THE CUSTOMER'S
EXCLUSIVE REMEDY, EXCEPT FOR ANY APPLICABLE IMPLIED WARRANTIES UNDER STATE
LAW WHICH ARE HEREBY LIMITED IN DURATION TO ONE YEAR FROM THE DATE OF
ORIGINAL PURCHASE. IN NO EVENT WILL HUMMINBIRD® BE LIABLE FOR ANY
INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF ANY EXPRESS OR IMPLIED
WARRANTY RELATING TO THE PRODUCTS.
Some states do not allow limitations on an implied warranty, or the exclusion of
incidental or consequential damages, so the above exclusions may not apply to you.
You may also have other rights, which vary from state to state.
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RETURNING YOUR UNIT FOR SERVICE
900 SERIES™ ACCESSORIES
Before sending your unit in for repair, please contact the factory, either by phone or by
email, to obtain a Repair Authorization Number for your unit. Please have your
product model name and serial number available before calling the factory. If you
contact the factory by e-mail, please include your product model name and serial
number in the e-mail, and use Request for Repair Authorization Number for your e-mail
subject header. You should include your Repair Authorization Number in all
subsequent communications about your unit.
Accessories customize the 900 Series™ to your needs and enable you to stay on the
edge of new technology. When an accessory is connected to the 900 Series™,
additional menus and readouts are added automatically to the Main Menu System.
Accessories available today that are supported by your 900 Series™ include:
For IN-WARRANTY service, complete the following steps:
GPS Connection Cable: purchase the GPS Connection Cable in order to connect a
handheld or other NMEA* GPS-compatible device that you may already own to your
900 Series™.
WeatherSense® Fishing Condition Monitor: purchase and plug in the WeatherSense®
accessory to your 900 Series™ to obtain barometric pressure readouts and trend data
in real time.
• Obtain a Repair Authorization Number from the Humminbird® Customer
Resource Center.
• Tag product with your name, street address, phone number and your assigned
Repair Authorization Number.
• Include a brief written description of the problem.
• Include a copy of your receipt (to show proof and date of purchase).
• Return product freight prepaid to Humminbird®, using an insured carrier with
delivery confirmation.
*NMEA 0183 is a National Marine Electronics Association standard for data communication.
Wireless Sonar Link (WSL): purchase the Wireless Sonar Link (WSL) accessory to
receive remote sonar signals from a SmartCast® Remote Sonar Sensor (RSS). Radio
signals from the RSS are received by the WSL and are transmitted over the Accessory
Bus to the 900 Series™.
Be sure to check out our website www.humminbird.com for additional new and
exciting accessories to grow your 900 Series™.
For OUT-OF-WARRANTY service, complete the following steps:
NOTE: Each accessory requires a separate purchase. You can visit our website at
www.humminbird.com or contact our Customer Resource Center at 1-800-633-1468 for
additional details.
• Obtain a Repair Authorization Number from the Humminbird® Customer
Resource Center.
• Include payment in the form of credit card number and expiration date, money
order or personal check. Please do not send cash.
• Tag product with your name, street address, phone number and your assigned
Repair Authorization Number.
• Include a brief written description of the problem.
• Return product freight prepaid to Humminbird®, using an insured carrier with
delivery confirmation.
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SPECIFICATIONS
Depth Capability
937c DF Combo/931c DF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2500 ft (780 m)
937c Combo/931c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000 ft (330 m)
Power Output
937c DF Combo/931c DF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000 Watts (RMS), 8000 Watts (Peak to Peak)
937c Combo/931c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750 Watts (RMS), 6000 Watts (Peak to Peak)
Operating Frequency
937c DF Combo/931c DF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 kHz and 50 kHz DualBeam PLUS™
937c Combo/931c. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 kHz Single Beam
Area of Coverage
937c DF Combo/931c DF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74° @ -10 dB in 50 kHz & 20° @ -10 dB in 200 kHz
937c Combo/931c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20° @ -10 dB in 200 kHz
Target Separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2½ Inches (63.5 mm)
Power Requirement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-20 VDC
LCD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 480V x 854H
Transducer
937c DF Combo/931c DF (Dual frequency) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XHS-9-DB-74-T
937c Combo/931c (Single frequency). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XHS-9-20-T
Transducer Cable Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 ft (6 m)
NOTE: Product specifications and features are subject to change without notice.
NOTE: Humminbird® verifies maximum stated depth in saltwater conditions, however actual depth performance may vary due to transducer installation, water type, thermal layers, bottom
composition and slope.
83
30mm
15mm
Hull
m
erglass Hulls
Cut and use for Fib
Align with transom.
minum Hulls
Cut and use for Alu
Transducer botto
Place on bottom of hull
fold
Transducer
Guide
84
For use with bracket PN 404329-1
TOP
Use 5/32" drill bit
Drill
PLACE EITHER CORNER
ON DEADRISE ANGLE
Drill
TOP
Use 5/32" drill bit
Drill
PLACE EITHER CORNER
ON DEADRISE ANGLE
DO NOT LET DEADRISE
INTERSECT THIS LINE
Drill
15", 380mm
from prop(s).
PLACE EITHER ARROW
ON DEADRISE ANGLE
Level
Drill ■
Aluminum
Use 4mm (⁵⁄₃₂")
drill bit & drill
two holes for hull type
Fiberglass
Drill ●
11:12 AM
Remove and use for
Transducer Installation
2/18/2005
TOP
Fiberglass
Aluminum
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APPENDIX A
Transducer Mounting Template, Single frequency: XHS-9-20-T
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APPENDIX B
Transducer Mounting Template, Dual frequency: XHS-9-DB-74-T
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Contact Humminbird®
Contact the Humminbird® Customer Resource Center
in any of the following ways:
By Telephone
(Monday - Friday 8:00 a.m. to 4:30 p.m. Central Standard Time):
1-800-633-1468
By e-mail
(typically we respond to your e-mail within three business days):
custserv@johnsonoutdoors.com
For direct shipping, our address is:
Humminbird®
Service Department
678 Humminbird® Lane
Eufaula, AL 36027 USA
86
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