Uniden | MHS335BT | Owner Manual | Uniden MHS335BT Owner Manual

Uniden MHS335BT Owner Manual
MHS335BT
FLOATING VHF MARINE RADIO
RADIO VHF MARITIME FLOTTANTE
OWNER’S MANUAL
GUIDE D’UTILISATION
MAKING A DISTRESS CALL
Lift the red cover. Press and hold the DISTRESS key
for three seconds. Your radio transmits
your ship’s location every few minutes until you
receive a response.
Lift the red cover
and press the white
DISTRESS button
underneath.
NOTE: If the radio displays Enter User MMSI, cancel the automatic
distress call and make a normal voice distress call.
Making a Voice Distress Call
Speak slowly - clearly - calmly.
For future reference, write your ship’s name & call sign here:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
Make sure your radio is on.
Press the 16/P key to switch to Channel 16 (156.8 MHz). (If the corner of the
display does not show 16, press the 16/P key again until it does.)
Press the PUSH-TO-TALK key and say: “MAYDAY -- MAYDAY -- MAYDAY.”
Say “THIS IS {name of your ship (three times)} and call sign/ship registration
number (once).”
Repeat “MAYDAY {name of your ship}” once.
Tell where you are: (what navigational aids or landmarks are near, or read
the latitude and longitude from your GPS).
State the nature of your distress (e.g. are you sinking, medical emergency,
man overboard, on fire, adrift, etc. ).
State the type of assistance you need (medical, towing, pumps, etc.).
Give number of persons aboard and conditions of any injured persons.
Estimate present seaworthiness of your ship (e.g. how immediate is the
danger due to flooding or fire or proximity to shore).
Briefly describe your ship, giving ship name (e.g. “Blue Duck is 32 foot cabin
cruiser, white hull, blue deck house”).
Say: “I WILL BE LISTENING ON CHANNEL 16.”
End message by saying “THIS IS {name or call sign of your ship}, OVER.”
Release the PUSH-TO-TALK key and listen.
If you do not get an answer after 30 seconds, repeat your call, beginning at step 3, above.
FAIRE UN APPEL DE DÉTRESSE
Soulevez le couvercle noir. Maintenez DISTRESS enfoncé
pendant trois secondes. Votre radio transmettra
l’emplacement de votre bateau toutes les quelques
minutes jusqu’à ce que vous receviez une réponse.
Soulevez le
couvercle et
appuyez sur le
bouton DISTRESS
blanc en dessous.
Remarque : Si la radio affiche Enter User MMSI, annulez l’appel de
détresse automatique et effectuez un appel de détresse vocal
normal.
Faire un appel de détresse
Parlez lentement – clairement – calmement.
Pour toute référence ultérieure, écrivez ci-dessous le nom et l’indicatif d’appel de votre
bateau:
1.
Vérifiez si votre radio est en marche.
2.
Appuyez sur la touche 16/P afin de commuter au canal 16 (156,8 MHz). (Si le canal
16 n’apparaît pas à l’affichage, appuyez de nouveau sur la touche 16/P jusqu’à ce qu’il
soit affiché.)
3.
Appuyez sur le bouton Push-to-Talk et dites:“MAYDAY -- MAYDAY -- MAYDAY”.
4.
Donnez l’identité de votre navire en disant : “ICI {nom de votre bateau (trois fois) ou
indicatif d’appel et le numéro d’identification de votre bateau (une fois)}”.
5.
Dites “MAYDAY {nom ou indicatif d’appel de votre bateau} une fois”.
6.
Donnez votre position : (quels sont les points de repère ou aides à la navigation près
de vous ou lisez les coordonnées de longitude et de latitude apparaissant sur votre
dispositif GPS).
7.
Révélez la nature de votre détresse (par exemple, nous sommes en train de couler,
urgence médicale, un homme à la mer, un incendie, nous sommes à la dérive, etc.
8.
Révélez la nature de l’aide désirée (médicale, remorquage, essence, etc.)
9.
Donnez le nombre de personnes à bord et les conditions des blessés, s’il y en a.
10. Donnez la condition de navigabilité actuelle de votre navire, tel que le degré de
l’urgence par rapport une inondation, et une incendie.
11.
Donnez une brève description de votre navire en donnant le nom du bateau (par
exemple, “Blue Duck est un yacht de croisière de 32 pieds, avec une coque blanche
et un rouffle bleu.).
12. Dites : “JE VAIS ÉCOUTER SUR LE CANAL 16”.
13. Terminez le message en disant “ICI {nom ou indicatif d’appel de votre bateau}, À
VOUS”.
14. Relâchez le bouton Push-to-Talk du microphone et écoutez.
Si vous n’obtenez pas de réponse après 30 secondes, répétez l’appel en commençant à l’étape 3
ci-dessus.
Table of Contents
INTRODUCTION........................E-3
FEATURES.................................E-3
WHAT'S INCLUDED...................E-4
PARTS OF THE MHS335BT.......E-5
WPT Soft Key.......................... E-17
BT Soft Key.............................. E-17
SPKR Soft Key........................ E-18
OPERATION MODES...............E-18
Normal..................................... E-19
Scan......................................... E-20
Front View.................................. E-5
Weather................................... E-22
Back View.................................. E-6
SETTING UP THE
HARDWARE.........................E-23
Charger...................................... E-6
READING THE IDLE
SCREEN.................................E-6
They Mean............................... E-7
ATTACHING THE ANTENNA....E-23
INSTALLING THE BATTERY....E-23
CONNECTING POWER...........E-23
MOUNTING THE CHARGER...E-24
HOW IT WORKS........................E-7
Charging the Battery................ E-24
Display Icons and What
USING THE POP-UP
KEYBOARD................................E-8
MENUS.......................................E-8
DISTRESS MESSAGE Menu.... E-10
GENERAL SETUP Menu.......... E-10
Charging the Radio with
Battery Pack Installed........... E-24
Charging the Battery
Pack Only.............................. E-24
Important Notes on
RADIO SETUP Menu................ E-11
Charging the battery.............. E-24
GPS Menu................................ E-11
SETTING UP YOUR RADIO....E-25
WAYPOINT SETUP Menu........ E-12
BLUETOOTH Menu.................. E-12
DSC SETUP Menu................... E-12
ABOUT Menu........................... E-13
RESET (To Factory Defaults)
TURNING IT ON ......................E-25
ENTERING THE
USER MMSI............................E-25
SETTING IT UP.........................E-25
Acquiring GPS Location........... E-25
Menu...................................... E-13
Changing the Volume ............. E-25
USING SOFT KEYS..................E-13
Setting the Squelch Level........ E-25
MOB Soft Key.......................... E-13
Setting the UIC Channel
WX Soft Key............................ E-14
Mode (USA/CAN/INTL)......... E-26
CALL Soft Key......................... E-14
Setting Key Lock...................... E-26
HILO Soft Key.......................... E-16
Setting WX Alert Mode............. E-26
TRI Soft Key............................ E-16
Setting FIPS Codes................. E-26
MEM Soft Key.......................... E-16
Adjusting the Backlight............ E-27
SCAN Soft Key........................ E-16
Adjust the LCD Contrast.......... E-27
COMP Soft Key........................ E-17
Turning the Key Beep On
NAV Soft Key........................... E-17
and Off................................... E-27
OPERATING THE RADIO ........E-27
Making or Returning a Call...... E-36
Making a Transmission............ E-27
TEST CALLS.............................E-36
Changing the
Transmission Level............... E-28
Saving the Channel into
Memory................................. E-28
Using the LED Light................. E-28
Making Test Calls (Test) .......... E-36
Receiving Test Call Setup........ E-36
POSITION REQUEST
AND REPLY............................E-37
Enabling Automatic
Position Reply....................... E-37
DIGITAL SELECTIVE CALLING
FEATURES (DSC) ...............E-28
POS Request........................... E-37
WHAT IS DSC? ........................E-28
MMSI NUMBERS......................E-29
AUTO POLLING........................E-37
Position Send .......................... E-37
Entering MMSI Numbers ........ E-29
GPS FEATURES......................E-38
USING THE DIRECTORIES.....E-29
Group Directory....................... E-30
GPS OPERATION
OVERVIEW.............................E-38
GPS MENU...............................E-38
MAKING DSC CALLS...............E-31
NMEA FEATURES...................E-39
Individual Directory.................. E-29
Calling a single station
(Individual Call) .................... E-32
Calling a particular group
of ships (Group Call)............. E-32
Calling all ships
(All-Ships Call)....................... E-33
MAKING AN AUTOMATIC
DISTRESS CALL ...................E-33
Canceling an automatic
distress call ........................... E-34
Resending an automatic
distress call ........................... E-34
Receiving an automatic
Chartplotter Connection .......... E-40
NMEA Output .......................... E-40
ADDITIONAL FEATURES.......E-40
Renaming Channels .................E-40
UNIDEN MARINE APP............E-41
MAINTENANCE AND
TROUBLESHOOTING..........E-41
SPECIFICATIONS....................E-42
REFERENCE TABLES .............E-43
Channel Descriptions
and What They Mean............ E-43
Group DSC Call....................... E-34
MARINE RADIO CHANNEL
CHART...................................E-44
WEATHER CHANNELS AND
FREQUENCIES
(US, CAN, AND INTL).............E-49
EMERGENCY ALERT
(SAME) SYSTEM....................E-49
Answer a DSC Call.................. E-35
Types of Events....................... E-49
DSC Call Logs......................... E-35
No Response Event Code....... E-51
distress call
acknowledgement................. E-34
Receiving a distress call ......... E-34
DSC CALLS..............................E-34
Individual DSC Call.................. E-34
REGULATIONS AND SAFETY
WARNINGS...........................E-51
Maritime Radio Services
Operation.................................E-51
Basic Radio Guidelines.............E-51
RBRC Information..................E-53
COMPLIANCE.........................E-53
Three-Year Limited
Warranty...............................E-54
UNIDEN®
FLOATING VHF MARINE RADIO
MHS335BT
INTRODUCTION
Uniden's MHS335BT is a floating, hand-held class D DSC radio with an integrated GPS
receiver. It is also Bluetooth capable so you can use Uniden's smartphone app (iOS and
Android) to set up the radio and text message other VHF text message capable radios.
You can enter other information such as DSC directory information and update the radio's
firmware.
FEATURES
Your radio provides the following key features:
xx Submersible design. Complies with floating JIS8/IPX8 water-resistant standards,
which means the radio can be submerged in 4.9 feet of water for up to 30 minutes
without damage.
NOTES:
The radio will only meet this rating if fully assembled and all rubber seals and
bungs are well maintained and correctly fitted. This means that the speaker
microphone bung is inserted, and the battery pack (or case) and antenna are
attached and securely fastened.
After your radio is submerged in water, the sound might be distorted. This
is because there is still water remaining in and around the speaker and
microphone. Just shake the radio to clear excess water, and the sound should
return to normal.
If your radio is exposured to salt water, clean it thoroughly with fresh water
and dry it before turning it on.
The charger is not waterproof.
xx
xx
xx
xx
xx
xx
xx
Memory Scan mode. Lets you save channels to memory and monitor them in quick
succession.
High/LO power level select. Lets you boost the transmitter power from 1W to 2.5 or
6W for added transmission distance.
Battery level display and low battery alert.
Dual and Triple Watch operation. These different watch modes let you monitor up to
two Coast Guard Distress/Hailing channels and one weather channel along with one
regular marine channel.
All marine VHF channels for the U.S., Canada, and international waters
Emergency 16/09 Channel monitoring. Set unit to scan one or both of these
emergency channels regularly within normal scanning cycles.
Class D second receiver is dedicated to monitoring the DSC watch channel 70 to
ensure that no incoming messages are missed.
Uniden MHS335BT Radio Owner’s Manual
E-3
xx
xx
xx
xx
xx
xx
xx
xx
xx
xx
xx
National Oceanic and Atmospheric Administration (NOAA) Weather Channel
watch. Sounds a warning tone when a hazard alert is issued.
LCD and key backlight/Flashlight/SOS Strobe. Pressing the Light/Lock ( /LOCK)
key initiates various light options (see page E-5).
Key Lock. Locks keys to prevent accidentally changing channels or entering data.
Selectable Backlight Timer. Lets you select the length of time the backlight will be
on.
DSC. Lets you call other ships or groups using their unique identification code. This
radio complies with International Class D DSC standards for Handheld GPS/VHF
marine transceivers.
GPS (Favorite Position mode). Lets you save your current position as well as
manually enter other positions.You can save positions into a directory to return to them
as desired.
Waypoints. Create a list of coordinates and use that list to navigate to various
destinations.
NMEA input/output. Lets you connect to a chartplotter and, through menus,
determine what NMEA data you want to receive.
10 weather channels available for monitoring.
MOB (Man Overboard). Lets you lock onto the current position when a Man
Overboard situation occurs.
Compass Display. Lets you determine the way you want the radio to display your
course - by showing your course and direction or by showing location on an northsouth-east-west display. Automatically auto-plots to a received DSC distress call.
WHAT'S INCLUDED
NOTE: Some of the graphics in this manual may vary slightly from the actual product.
Antenna
Belt Clip
Lithium Ion
Rechargeable Battery
MHS335 Radio
Not shown:
External speaker/
microphone
1 meter NMEA
cable
Wrist Strap
Charging Cradle
Mounting Hardware
AC Adapter
DC Adapter
If any pieces are missing or damaged, contact Customer Service at www.uniden.com.
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Uniden MHS335BT Radio Owner’s Manual
PARTS OF THE MHS335BT
Front View
Microphone
Ext. Speaker/
Mic jack
DISTRESS
Screen
Function VOL/
SQ
Keys
16/P
Speaker
Antenna
LED
Power
Monitor
Pushto-Talk
Menu
CLR
Light/Lock
Direction
Arrows
Note: Thermal sensor on back.
Key
Press to...
N/A
N/A
Quickly open and close
MON
squelch (single press/release).
Activate function assigned to
that key. Function displays on
Soft Function Keys (3)
screen above key. See page
E-13.
MENU
Open the menus.
Move up, down, left, or right
◄/▲/►/▼
on a screen.
CLR
Returns to the IDLE screen.
-- Press once to activate the
LCD and key backlight.
-- Press twice to activate LED
Light/LOCK
steady on (Flashlight).
-- Press three times to activate
( /LOCK)
the SOS strobe light.
-- Press a fourth time to turn
the LED off.
Cycle through call channel,
16/P
channel 16, channel 9, and
back to the starting channel.
Press once: Adjust volume.
VOL/SQ
Press twice: Adjust squelch.
DISTRESS
Activate DISTRESS screen.
POWER
Push-to-Talk
Press and hold to...
Turn radio on and off.
Transmit on a current TX power.
Open Squelch.
NA
NA
NA
NA
Lock key input to prevent input
errors.
NA
NA
Send out default distress signal.
Uniden MHS335BT Radio Owner’s Manual
E-5
Back View
Wrist strap slot
Battery
latch
Battery charging
contacts
Battery
Charger
Belt clip
Screw hole
Charging
contacts
NMEA
contacts
CHARGE LED
Screw holes
READING THE IDLE SCREEN
The Idle screen shows different information depending on what you are doing. Not all icons
display on every screen. This dummy Idle screen displays many of the possible icons. The
table below shows possible icons and what they mean.
1
2
INTL
17
16
15
14
TRI
MEM
WX
3
4
5 6
ALT
15
7
8
6W
TX
COMMERCIAL
13
LAT:32˚53,6604N
LON:096˚59,3158W
TIME:20:47 Local
DATE:Aug 23,2017
<
E-6
9
MOB
WX
CALL
12
11
10
>
Uniden MHS335BT Radio Owner’s Manual
Display Icons and What They Mean
Number
Icon
What it means
1
2
Battery level
INT
Channel mode (USA, INTL, or CAN)
3
4
Displays when mail is available.
ALT
Weather Alert
Flashes when satellite acquired. Does not display if no satellite
acquired.
5
6
Displays when Bluetooth is turned on.
7
1W,
2.5W, or Power output.
6W
8
TX or RX Indicates Transmitting (TX) or Receiving (RX).
9
Various
Text
Channel Name
10
Soft Key
#3
Name of soft key (see page E-13).
11
Soft Key
#2
Name of soft key (see page E-13).
12
Soft Key
#1
Name of soft key (see page E-13).
13
GPS Data Latitude, Longitude, Time, and Date at current position.
14
WX
15
MEM
16
TRI
17
Channel
Number
Displays when Weather mode active.
Displays when a channel is saved into memory.
Displays TRI (Triple) or DUAL (Dual) watch mode as set in Menus.
Current channel number.
HOW IT WORKS
The MHS335BT uses a 3-part operating structure: Menus, Soft Keys, and a pop-up
keyboard. These elements work with each other to quickly set up and operate your radio.
xx Menus - Press the MENU key to access the menus (see page E-8).
Uniden MHS335BT Radio Owner’s Manual
E-7
xx
xx
Soft Keys - The soft keys relate to the three keys on the bottom of the screen. Many of
these keys can access functions that are set up through the menus (see page E-13).
Pop-Up Keyboard - Some of the menus and soft keys require alphanumeric input. The
radio brings up a keyboard for this. You can change the keyboard from alphanumeric
characters to special characters.
USING THE POP-UP KEYBOARD
When you need to enter text, a digital keyboard pops up. "Type" on this keyboard by using
the ▲, ▼, ►, and ◄ keys on the radio's keypad to move a curser through the keyboard.
Choose SELECT to select that character and move to the next spot.choose
xx The ABC/abc key switches between capital and lower case letters.
xx Select the @&? key to switch to the special character keyboard. Select ABC/abc to
switch back to an alphanumeric keyboard.
xx After using the ▲, ▼, ►, and ◄ keys on the radio's keypad to select a letter, choose
SELECT to "type" the letter. The letter then displays on the screen.
xx Select the ◄ and ► keys to move the curser backwards or forwards into the entry.
xx Select ENTER to move the curser to the next line.
xx Select del to delete the character to the left of the curser.
TITLE
Switch between all
capital letters and
lower case letters
Switch to special
character keyboard
Move curser
to previous or
next letter
1
A
K
U
2
B
L
V
3 4 5 6
C D E F
M N O P
W X Y Z
space
BACK
Go to previous
screen
TEXT
7 8
G H
Q R
abc
del
9 0
I J
S T
@&?
Enter
SELECT
Select letter
chosen
Varies with screen
type. Can be
CONFIRM, NEXT, etc.
Move curser to
next line
Delete character
to the left of the
curser
MENUS
Various menus let you establish guidelines and parameters for sending and receiving calls.
Menus also let you set your radio’s characteristics such as brightness, code selection, and
contrast.
The MENU key accesses menus that let you set the way your radio operates. The following
Menus display on the screen.
xx DISTRESS MESSAGE (see page E-10 for details)
xx GENERAL SETUP (see page E-10 for details)
xx RADIO SETUP (see page E-11 for details)
xx GPS (see page E-12 for details)
xx WAYPOINT SETUP (see page E-12 for details)
xx BLUETOOTH SETUP (see page E-12 for details)
xx DSC SETUP (see page E-12 for details)
xx ABOUT (see page E-13 for details)
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Uniden MHS335BT Radio Owner’s Manual
xx
RESET (see page E-13 for details)
Use the UP ( ▲) and DOWN ( ▼ ) keys to find a menu category. Choose the SELECT soft
key to select and go to that menu.
DISTRESS MESSAGE
GENERAL SETUP
RADIO SETUP
GPS
WAYPOINT SETUP
BLUETOOTH SETUP
DSC SETUP
ABOUT
RESET
BACK
Select
MENU
DESCRIPTION
REF. PAGE
DISTRESS
MESSAGE
Types of distress messages such as flooding,
capsizing, and man overboard.
Page E-10
GENERAL SETUP
Basic radio configuration such as backlight,
key beep, and reset to factory defaults.
Page E-10
RADIO SETUP
Basic radio configuration such as channel
mode, priority channel, and scan type.
Page E-11
GPS
Set up GPS configuration such as time offset,
unit of measure, and direction.
Page E-12
WAYPOINT SETUP
Establish Waypoint and route directories and
routing information.
Page E-12
BLUETOOTH
SETUP
Turn Bluetooth on and off and provide a
broadcast identifier (name) for your radio.
Page E-12
DSC SETUP
Configure DSC calling and directories.
Page E-12
ABOUT
Displays radio, GPS, and Bluetooth firmware
version numbers.
Page E-13
RESET (To Factory
Defaults)
Reset the radio to factory defauts. All
programming is lost, but not the MMSI number.
Page E-13
Uniden MHS335BT Radio Owner’s Manual
E-9
DISTRESS MESSAGE Menu
Select a distress message type to transmit when you use the DISTRESS key on the side of
the radio. See page E-33 for information on how to send a distress message.
MENU ITEM
DESCRIPTION
Undesignated
Send this type when you, your crew, and/or your ship are in
clear danger and there is no time to search for a more inclusive
designation to use.
Fire, Explosion
Send this type if there has been an explosion or a fire on the ship
and you are in immediate danger.
Flooding
Send this type if your ship is taking on water and you are in
immediate danger.
Collision
Send this type if your ship has collided with another ship or
obstruction.
Grounding
Send this type if the ship has run aground.
Capsizing
Send this type if the ship is capsizing.
Sinking
Send this type if the ship is sinking.
Adrift
Send this type if the ship is adrift and unable to navigate on its own.
Abandoning Ship
Send this type if you and the crew must evacuate the ship.
Piracy
Send this type if your ship is under attack or unauthorized boarding.
Man Overbard
Use this type if someone has gone overboard and you are unable
to assist/locate them.
Distress messages are always transmitted on channel 70 at maximum RF power (6W).
GENERAL SETUP Menu
You can set up how your radio operates through the GENERAL SETUP menu.
MENU ITEM
DESCRIPTION
Backlight
Set how bright the backlight is and how long the backlight stays on.
Backlight level: Off, 1 - 5 (Default = 3). Backlight duration: Always
on, 5 sec , 10 sec, 20 sec, or 30 sec.
Contrast
Set how dark the screen images are against the background.
Contrast levels are 1 - 8 (Default = 4). (See page E-27.)
Key Beep
With Key Beep turned on (default), the radio will beep every time
you press a key.
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Uniden MHS335BT Radio Owner’s Manual
MENU ITEM
DESCRIPTION
SOS Strobe
The LED on the front of the radio acts as a strobe light. Set water
activation and timeout duration here.
Inactivity Timer
Set how long the radio remains inactive before it times out.
Key Assignment
Reassign soft key functions to different keys.
Reset Radio to
Factory
Return your radio to the factory defaults. You will lose all
programming.
RADIO SETUP Menu
Use the RADIO SETUP menu to fine tune how the radio will operate. For example, you can
rename channels, set channel modes, etc.
MENU ITEM
DESCRIPTION
Channel Mode
Set to USA, CAN (Canada), or INTL (International). (See page
E-26.)
Weather Radio
Turn weather alerts on or off (see page E-26) and enter S.A.M.E
codes (see page E-26).
Dual/Tri Watch
Turn Dual or Triple Watch on and off (see page E-19).
Priority Channel
Select a channel to be the priority channel when scanning. (See
page E-17.)
2nd Priority
Channel
Select a channel to be the secondary priority channel when
scanning. (See page E-17.)
Scan Type
Select a scanning type: Priority Scan or Memory Scan (see page
E-17.)
Scan Pause
Timer
Set how long scanning will pause when the SCAN soft key is
pressed.
Channel Name
Rename a channel (see page E-40).
Noise Cancel
Select noise cancelling for received or transmitted signals.
Receive Audio
Pitch
Set audio pitch.
------
Normal
Mid Range
Highs & Lows Boost
Lows Boost
Highs Boost
Uniden MHS335BT Radio Owner’s Manual
E-11
GPS Menu
The GPS section on page E-38 provides an overview of the GPS menu options and how
they work.
WAYPOINT SETUP Menu
Waypoints (also called landmarks) mark specific points in traveling between two locations.
They serve as directional indicators. For example, once you reach a specific waypoint,
you need to adjust your course to reach the next waypoint (and as you continue, your
destination). See page E-17 for details on setting up waypoints.
MENU ITEM
DESCRIPTION
Waypoint Directory
Displays a list of all available waypoints.
Current Position
Displays latitude, longitude, time, SOG, and COG.
Route Directory
Displays a list of routes stored in the directory.
Routing Method
Automatic or Manual.
Route Display
Displays routes on a compass screen.
Arrival Alarm
Enter the distance at which you want the radio to alert you that
you are close to the destination.
BLUETOOTH Menu
Smart phones can discover your radio when you turn Bluetooth on with this menu. You can
also change your radio's broadcast identifier (name).
DSC SETUP Menu
You can configure your DSC operation through this menu.
MENU ITEM
DESCRIPTION
Enter Radio MMSI
Enter the radio’s MMSI number to use DSC features.
Individual Directory
Add, edit, or delete individual directory entries.
Group Directory
Set up a group with an Group MMSI. Send this GROUP MMSI
number to other ships.Those ships are now part of the group you
created.
Individual Reply
Set whether incoming individual calls, position requests, and
test calls receive an automatic acknowledgement or must be
acknowledged manually.
Individual Ack
Set an able (or unable) to reply automatic message to be sent.
Individual Call
Ring
Set the amount of time a call will ring before it times out.
Auto MOB Set
Turn Auto MOB on and off.
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Uniden MHS335BT Radio Owner’s Manual
MENU ITEM
DESCRIPTION
Wait to Pos Fix
Set how long the radio takes to acknowledge a POS fix.
Auto Polling Time
Set how long the radio takes between polling activities.
Auto Pos Polling
Automatically requests positon information from up to 7
individuals.
DSC Alarm Setup
Turn DSC alarms on and off.
ABOUT Menu
This menu displays the current software version for the radio, GPS, and Bluetooth.
RESET (To Factory Defaults) Menu
Using this menu resets the unit to factory defaults, except for the MMSI number. Select OK
to confirm the reset. Otherwise, select Exit to cancel.
USING SOFT KEYS
MENU operations can set up the radio's configuration and databases. Soft keys use that
information to perform quickly accessed procedures. For example, you can add ships to call
(name and MMSI numbers) through MENU/DSC SETUP/Individual Directory. Then select
CALL/INDIVIDUAL CALL through the soft keys and the ship you added through the menus
displays.
INTL
ALT
15
MEM
WX
6W
TX
COMMERCIAL
Soft Key Order
LAT:32˚53,6604N
LON:096˚59,3158W
TIME:20:47 Local
DATE:Aug 23,2017
Soft Key
Operation
<
MOB
WX
CALL
MOB
WX
CALL
Default; Scroll Right
HILO
TRI
MEM
Scroll Right
SCAN
COMP
NAV
Scroll Right
WPT
BT
SPKR
Scroll Right
>
Soft Keys
NOTE: After selecting WX soft key, it changes
to CH to return to the last marine channel.
Scroll left
Scroll right
MOB Soft Key
The Man Overboard (MOB) soft key does not require setup through the menus.
1.
Select the MOB soft key and the screen automatically marks your current location
as MOB. The MOB screen displays the latitude, longitude, time, BRG (Bearing to
Destination), and DIST (Distance to Destination). The radio’s GPS supplies this
information automatically. The soft keys change to BACK, DEL, and NAV.
Uniden MHS335BT Radio Owner’s Manual
E-13
2.
Select BACK to return to the previous mode and keep the current MOB information.
3.
Select DEL to delete the current MOB information and return to the previous mode.
4.
Select NAV to activate the COMPASS screen. Navigate to your destination
WX Soft Key
Select the WX soft key to display the last WX channel accessed (WX changes to CH). The
screen displays the latitude, longitude, and time. Press ▲ and ▼ to scroll through weather
channels. Select CH to return to the last marine channel.
CALL Soft Key
The CALL soft key opens a CALL menu. You can use this menu as a “shortcut” to making
different kinds of calls. You can also send and receive position requests and view the DSC
call logs.
Some call types use the information previously set up in the menus to configure the call
parameters. For example, if you select INDIVIDUAL CALL through the CALL soft key, a list
of ships that were set up through MENU/DSC SETUP/Individual Directory displays.
Call Menu Option
Setup
Operation
DISTRESS
MESSAGE
None
Select the CALL soft key and select
DISTRESS MESSAGE.
Scroll to distress message type and
choose SELECT.
INDIVIDUAL CALL
Enter individual ships
through MENU/DSC
SETUP/Individual
Directory.
Select the CALL soft key and select
INDIVIDUAL CALL.
Scroll to the individual ship and choose
SELECT.
Select SEND on the INDIVIDUAL CALL
screen.
GROUP CALL
Set up a Group name
and MMSI number
through MENU/
DSC SETUP/Group
Directory.
Give this MMSI
number to the ships
included in the group.
ALL SHIPS CALL
None
Select the CALL soft key and select
GROUP CALL.
Scroll to the group name and choose
SELECT.
Select SEND on the GROUP CALL
screen.
Select the CALL soft key and select ALL
SHIPS CALL.
Select either SAFETY (hazards in the
water) or URGENCY (people at risk).
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Uniden MHS335BT Radio Owner’s Manual
Call Menu Option
Setup
Operation
TEST CALL
Enter individual ships
through MENU/DSC
SETUP/Individual
Directory.
Select the CALL soft key and select
TEST CALL. The list of the ships entered
previously displays.
Enter individual ships
through MENU/DSC
SETUP/Individual
Directory.
Select the CALL soft key and select
POSITION REQUEST. The list of the
ships entered previously displays.
Enter individual ships
through MENU/DSC
SETUP/Individual
Directory.
Select the CALL soft key and select
POSITION SEND. The list of the ships
entered previously displays
None
Select the CALL soft key and select DSC
LOG. The DSC LOG screen displays a
list of options: Transmitted Log, Received
Log, and Delete Log.
POSITION
REQUEST
POSITION SEND
DSC LOG
Select a ship and choose SELECT. A
TRANSMITTING TO message displays.
Select a ship and choose SELECT. A
POSITION REQUEST screen displays.
Select SEND.
Select a ship and choose SELECT. A
POSITION SEND screen displays your
current GPS location. Select SEND.
Select either the Transmitted Log or the
Received Log and choose SELECT. That
log displays Distress or Others. Selecting
of these logs displays the MMSI number
of al calls you've transmitted or received.
Select an MMSI number and choose
SELECT. Information for that call
displays.
If you select DELETE LOG, you then
have the option of selecting TX Log or RX
Log to delete specific entries.
Select Delete All Log to delete all entries
for both the TX and RX logs.
Uniden MHS335BT Radio Owner’s Manual
E-15
Call Menu Option
Setup
Operation
AUTO POLLING
Enter individual ships
through MENU/DSC
SETUP/Individual
Directory.
Select the CALL soft key and select Auto
Polling. The screen displays Activate and
Selected ID.
Set the amount of
time between polling
requests through
MENU/DSC SETUP/
Auto Polling Time.
Choose SELECTed ID to choose an
individual ship to poll.
The Polling List screen displays. Choose
SELECT. The Individual ships entered
into the Individual Directory displays.
Select a ship. Go back to the Auto Polling
screen, select Activation.
After you get an acknowledgement, scroll
to COMP soft key. The ship's location
should display on the Compass screen.
HILO Soft Key
Select the HILO soft key to change the transmission power from 1.5W to 6W to 2.5W. The
transmission power icon displays. (See page E-6 for the transmission power icon LCD
placement.)
NOTE: If the maximum output for a specific channel is 1W only, the output power stays to 1W and
the radio sounds an error tone.
TRI Soft Key
This soft key displays as what is set in MENU/RADIO SETUP/Dual/Tri Watch. If that setting
is TRI, then TRI displays. If the setting is DUAL, then DUAL displays. See page E-6 for the
Dual/Triple icon LCD placement.
SETUP
Go to MENU/RADIO SETUP/Dual/Tri Watch. Select Dual or Triple.
OPERATION
Select TRI soft key. The screen scans the current channel and the priority channels set in
the menus. The TRI icon displays on the LCD (see page E-6).
NOTE: If DUAL is set in the menus, then the screen scans the current channel and just the Priority
channel; it does not scan the 2nd Priority Channel.
MEM Soft Key
Select the MEM soft key to save the current channel into memory. If the channel is already
saved into memory, selecting this key will remove it from memory. (See page E-6 for the
MEM icon LCD placement.)
SCAN Soft Key
The SCAN soft key lets you scan combinations of channels saved into memory and priority
channels. Set priority/second priority channels and the channel type through menus.
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Uniden MHS335BT Radio Owner’s Manual
SETUP
1.
Select MENU/RADIO SETUP/Priority Channel. Select a DSC channel for priority
channel. (Default = 16)
2.
Select MENU/RADIO SETUP/2nd Priority Channel. Select another DSC channel for
the 2nd Priority Channel. (Default = 9)
3.
Select MENU/RADIO SETUP/Scan Type. Options are Priority (scans both priority
channels and channels saved to memory) or Memory (scans only channels saved in
memory).
OPERATION
1.
Select SCAN soft key.
2.
Radio scans channels according to Main menu setup.
COMP Soft Key
The Compass (COMP) soft key activates the compass screen. Select the N-UP soft key
and the screen orients to north. When you’re in N-UP mode, the soft key changes to C-UP
mode. Select the C-UP soft key and the compass orients to the course‘s next Waypoint, as
shown by a black dot.
NAV Soft Key
Select this soft key to to select a previously stored route or waypoint as your destination.
WPT Soft Key
Waypoints are location coordinates you've entered into the system. Select the WAYPOINT
soft key to select waypoints to navigate to.
NOTE: The radio shares memory space with ROUTE and can save up to 200 waypoints
SETUP
Search the internet for the location you want (use "coordinates" as part of the search term)
and enter the coordinates through the MENU/WAYPOINT SETUP /Edit screen. For example,
search for "Key West Naval Hospital coordinates."
BT Soft Key
You can send and receive text messages, review text messages, and turn Bluetooth on and
off through this soft key.
SENDING TEXT MESSAGES
NOTE: You can send texts from your radio or from your mobile device using the Uniden Marine
app, available for Android and iOS.
1.
Select the BT soft key and select New Message. Select an individual contact
to receive the message and then SELECT. A pop-up keyboard displays (NEW
MESSAGE) with the TO: area filled in with the contact selected previously.
Uniden MHS335BT Radio Owner’s Manual
E-17
NEW MESSAGE
TO: _
1
A
K
U
2
B
L
V
3 4 5 6
C D E F
M N O P
W X Y Z
space
BACK
2.
CONFIRM
7 8
G H
Q R
abc
del
9 0
I J
S T
@&?
Enter
SELECT
Enter your text message, selecting SELECT after each letter. Select NEXT, and then
SEND. Select EXIT to return to the previous mode.
VIEW MESSAGING
Select Rx Message or Tx Message from the BT soft key menu. A list of MMSI numbers
representing calls displays. Select a message and choose SELECT.
BLUETOOTH ON/OFF
Select Bluetooth Set from the BT soft key menu. Turn BT on or off (default).
SPKR Soft Key
If you drop the radio in water, select the SPKR soft key to sound a loud tone. The vibrations
from this tone help remove water from the speaker.
OPERATION MODES
Your radio has three main operation modes: Normal, Scan, and Weather.
Mode
Normal
What it does
Monitors a single marine
channel and lets you talk on
that channel.
-- Monitors priority channels
set in the Main menu.
Scan
-- Monitors all the channels
you save into memory.
E-18
Use it when you want to... To turn it on/off
Monitor a channel or talk to
another radio.
From any mode,
press CLR.
The Idle screen
displays. Select
a different mode
to turn Normal
mode off.
-- Monitor up to 2 additional
channels in addition to
the channels saved in
memory.
-- Check a small group of
regularly-used channels
for traffic.
Select SCAN
soft key to start
scanning. Select
SCAN again to
stop.
Uniden MHS335BT Radio Owner’s Manual
Mode
What it does
Use it when you want to... To turn it on/off
Weather
Monitors the selected NOAA
weather channel.
Hear the current or
forecasted weather.
Press MENU.
Go to RADIO
SETUP/Weather
Radio.
In addition to the three operation modes, your radio provides three different watch modes
which you can activate during any operation mode. In the watch modes, the radio briefly
checks for activity on a specific channel, then returns to its previous operation.
Watch mode What it does
To turn it on/off
Checks the last-used weather
Weather Alert
channel for hazard alerts every few
Watch
seconds.
From MENU, select RADIO
SETUP. Go to Weather Radio and
select WX Alert to turn on or off.
Dual Watch
Checks the priority channel for
activity every few seconds. (Default
priority channel = 16)
From MENU, select RADIO
SETUP. Go to Dual/Tri Watch and
select Dual to turn Dual Watch on
or Triple to turn Triple Watch on
(and Dual Watch off).
Triple Watch
Checks the priority and second
priority channels for activity every few
seconds. (Priority channel default 16; second priority channel default
= 9)
From MENU, select RADIO
SETUP. Go to Dual/Tri Watch and
select Triple to turn Triple Watch on
or Dual to turn Dual Watch on (and
Triple Watch off).
Note: Private ships must monitor channel 16. Whenever they are underway. Water-going ships
should have either Triple Watch or Dual Watch on at all times.
Normal
xx
xx
xx
xx
xx
To transmit, remove the radio from the charger, then press and hold Push-to-Talk.
Release the key when you are finished talking.
For the best sound quality, hold the microphone about two inches from your mouth
while you’re talking.
Press ▲ to move up one channel at a time. Press and hold the key to scroll quickly up
the channels.
Press ▼ to move down one channel at a time. Press and hold the key to scroll quickly
down the channels.
To change the transmit power, press the HILO soft key. The transmit power cycles
through 1W, 2.5W, and 6W, then back to 1W again.
Uniden MHS335BT Radio Owner’s Manual
E-19
NORMAL MODE WITH WEATHER ALERT
Monitoring Channel 25
If you activate Weather Alert (MENU/
RADIO SETUP/WX Alert) while operating
in Normal mode, the radio checks the most recently
used weather channel every seven seconds. If it detects
a weather or other hazard alert, it will switch to that weather
channel. (If you are actively transmitting, the radio waits until you
finish your transmission before checking the weather channel.)
NORMAL MODE WITH TRIPLE WATCH OR DUAL WATCH
Every 7 seconds,
the radio checks
the last-used
weather channel.
wx
WX Alert
Watch on
If you activate Triple Watch while operating in Normal mode (MENU/RADIO SETUP/Dual/
Tri Watch/Triple), the radio checks the priority and second priority channels every few
seconds along with the current marine channel. With Dual Watch turned on, the radio only
checks the priority channel and the current marine channel. The radio will not check either
of the priority channels while you are actively transmitting; it waits until your transmission is
finished and then checks the channels.
Scan
There are two Scan modes - Priority and Memory.
SCAN/PRIORITY MODE
Priority mode scans through the channels saved into memory and then the priority channel
[set in the MENU/Radio Setup (see page E-11)]. For example: Memory Channel 1 -->
Priority Channel --> Memory Channel 2 --> Priority Channel --> etc.
SCAN/PRIORITY MODE WITH WEATHER ALERT ON
If Weather Alert is turned on with Priority mode, the radio alternately scans through the
channels saved into memory and the priority channel (Memory Channel 1 --> Priority
Channel --> Memory Channel 2 --> Priority Channel --> Memory Channel X ) and then
scans the most recently used Weather channel.
SCAN/MEMORY MODE
You can save any channel into memory and then use Scan mode/Memory Scan to monitor
those channels from lowest to highest. If the radio detects a signal on a channel, it stays on
that channel as long as the signal is received; when the signal stops, the radio continues
scanning.
SCAN/MEMORY MODE WITH WEATHER ALERT ON
If Weather Alert is turned on with Memory mode, the radio scans through the channels
saved into memory and then scans the most recently used Weather channel. (Memory
Channel 1 --> Memory Channel 2 --> Memory Channel N, and then scans the most
recently used Weather channel.
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Uniden MHS335BT Radio Owner’s Manual
When it detects a signal, the radio stays
on the channel until you press the
Channel Up button or the signal
stops.
08
10
11
12
13
Resume
scan
15
14
17
The radio scans about
5 channels in 0.5 seconds.
USING THE RADIO IN SCAN MODE
xx
xx
xx
xx
xx
xx
xx
To activate Scan mode, set the radio to either Priority Scan or Memory in MENU/
RADIO SETUP/Scan Type. If you select Memory, the radio scans channels saved in
memory. If you select Priority, go to MENU/RADIO SETUP and set the priority channel.
The radio scans this channel in addition to channels saved in memory.
You must have at least two channels in memory to start a scan.
You can transmit while scanning.
To save a channel into memory, select the channel, then scroll to the MEM soft key.
Select it to save that channel into memory. The MEM icon displays whenever you tune
to that channel.
To remove a channel from memory, set the radio to that channel, then select the MEM
soft key again. The MEM icon no longer displays and that channel is no longer saved
in memory.
When the radio stays on a channel, press ▲ to leave that channel and resume
scanning.
To end the scan, select the SCAN soft key again. The radio remains on the last
scanned channel.
SCAN MODE WITH WEATHER ALERT
When you activate Weather Alert (MENU/RADIO SETUP/Weather Radio) while in Scan
mode, the radio checks the most recently-used weather channel every seven seconds.
Memory Channel Scan
08
10
11
12
13
14 15 17 20 24 25
Every 7 seconds, the radio
checks the last-used
weather channel, then
scans the next channel.
wx
WX Alert
Watch on
1.
If the radio receives a weather alert while scanning, it beeps to alert you that there is
an alert on a weather channel. Press any key to stop the alert.
2.
A Weather Alert Reception Confirnation screen displays. Select OK to display a
confirmation screen.
3.
The next screen gives you the option of switching to the weather channel (YES) or
returning to the marine channel (NO).
Scan Mode with Triple Watch or Dual Watch
If you activate Triple Watch (MENU/RADIO SETUP/Dual/Tri Watch menu or TRI soft key)
while operating in Scan mode, the radio checks the priority and second priority channels
Uniden MHS335BT Radio Owner’s Manual
E-21
(default = channels 16 and 9) every two seconds, then goes on to scan the next channel in
memory. With Dual Watch turned on, the radio only checks the priority channel:
Memory Channel Scan
08 10 11 12 13 14
Every 2 seconds, the
radio checks channels
16 & 9, then scans
the next channel.
16 09
Triple
15
17
20
24
25
Watch on
Press MENU/RADIO SETUP/Dual/Tri Watch menu or TRI soft key again to cancel Triple
Watch mode.
Select Dual from MENU/RADIO SETUP/Dual/Tri Watch to set up Dual watch.
BOTH WEATHER ALERT AND TRIPLE/DUAL WATCH IN SCAN MODE
You can activate Weather Alert Watch and Triple/Dual Watch at the same time. Press
MENU/RADIO SETUP/Dual/Tri Watch or the TRI soft key to turn on the Triple/Dual watch;
turn on WX Alert through MENU/RADIO SETUP/Weather Radio.
If Dual watch is activated, the radio scans the priority channel, the current marine channel,
and then the most recently used weather channel.
If Triple watch is activated, the radio scans the priority channel, the second priority channel,
the current marine channel, and then the most recently used weather channel.
Memory Channel Scan
08 10 11 12 13 14 15 17 20 24 25
Every 2 seconds, the
Every 7 seconds, the radio
radio checks channels
checks the last-used
16 & 9, then scans
weather channel, then
the next channel.
scans the next channel.
09
16
Triple
WX Alert wx
Watch on
Watch on
Weather
The NOAA weather channels now cooperate with the FCC to alert you of other hazards
besides weather (child abduction alerts, nuclear, biological, etc.). In Weather mode, the
radio monitors one of the 10 NOAA weather channels. If a weather alert signal is received in
Weather Alert mode, the radio sounds an alert tone.
USING THE RADIO IN WEATHER MODE
xx
xx
xx
xx
You cannot transmit while in Weather mode.
To enter Weather mode, select the WX soft key.
To turn off the radio’s alert tone, press any key.
To cancel Weather mode and return to the previous marine channel, select the CH
soft key.
WEATHER MODE WITH WEATHER ALERT WATCH
If you activate Weather Alert Watch through MENU/RADIO SETUP/Weather Radio/WX Alert
while operating in Weather mode, it operates as a type of “sleep mode.” The radio stays on
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Uniden MHS335BT Radio Owner’s Manual
the weather channel and mutes the speaker. If the radio detects an alert, it sounds an alert
tone and turns the speaker back on. This mode is very useful when you are anchoring for
the night but want to keep informed of hazards.
WEATHER MODE WITH TRIPLE WATCH OR DUAL WATCH
If you activate Triple Watch (MENU/RADIO SETUP/Dual/
Tri Watch menu or the TRI soft key) while operating in
Weather mode, the radio checks the priority and
second priority channels, then the current marine
channel, and then the most recently used weather
channel.
Monitoring Weather Channel WX08
16 09
16 09
16 09
Every 2 seconds, the radio checks
channel 16, then channel 9
with Triple Watch on
With Dual Watch activated (MENU/RADIO SETUP/Dual/Tri Watch menu) while in Weather
mode, the radio checks the priority channel, the current marine channel, and then the most
recently used weather channel.
SETTING UP THE HARDWARE
ATTACHING THE ANTENNA
The antenna detaches from the radio for easy shipping or storage. To attach the antenna to
your radio, screw it tightly onto the anchor post at the top of the radio.
INSTALLING THE BATTERY
Your radio comes with a rechargeable Lithium Ion battery; for shipping safety, the battery is
not installed at the factory.
1.
Insert the hook on the battery into the notch at the top of the battery compartment.
2.
Lower the battery until it rests flat in the compartment.
3.
Bring the battery latch up and snap it into place.
CONNECTING POWER
Plug the AC or DC Power Adapter into the charger through a jack on the bottom of the
charger.
Insert AC or DC adapter plug
into the adapter jack.
Uniden MHS335BT Radio Owner’s Manual
E-23
MOUNTING THE CHARGER
Connect power to the charger before mounting the charger into position.
You can mount the charger on any flat surface.
1.
Use the two holes at the base of the charger as a template to mark the drill holes.
2.
Using a 1/8-inch (or 3 mm) drill bit, drill two holes 1/2 inch (13mm) deep.
3.
Use the provided screws to attach the charger to the surface.
NOTE: The charger must be mounted at least 2 feet (24 inches) from the compass to prevent
magnetic interference with either device.
Charging the Battery
Your radio includes a charger and a rechargeable battery pack. You can recharge the
battery pack in the charger by itself or installed in the radio. Being able to charge the battery
pack by itself is especially useful if you purchase a second rechargeable battery; you can
always have a charged battery available.
Charging the Radio with Battery Pack Installed
1.
Insert the radio into the charger, making sure that it slots into the
guide bars and the CHARGE LED on the charger turns red
(charging).
2.
The battery is fully charged when the LED turns green.
Charging the Battery Pack Only
1.
Unlatch the battery from the radio case. Remove it.
2.
Insert the battery into the charger, making sure that the battery
slots into the guide bars and the CHARGE LED on the charger
turns red (charging).
3.
The battery is fully charged when the LED turns green.
Cautions:
xx
xx
xx
Use only the battery and charger supplied with this radio. Using a different
charger or battery can damage the radio and create a risk of fire or shock.
The charger is not waterproof. If the charger falls into the water, unplug it before
attempting to remove it from the water. After you remove the charger from the
water, please contact Customer Service (see the back cover page for contact
information).
Wipe off dirt or shake water from your radio before placing in the charger if your
radio gets dirty or wet.
Important Notes on Charging the battery
xx
xx
xx
E-24
Charge the battery fully before using the radio.
Don’t use the charger when the ambient temperature is below 0° C (32° F) or above
45° C (113° F).
If the radio is powered down, the battery can charge in about five hours. (If the radio is
powered on, the battery takes longer to charge.)
Uniden MHS335BT Radio Owner’s Manual
SETTING UP YOUR RADIO
TURNING IT ON
Press the POWER key for at least two seconds until the UNIDEN splash screen displays.
Release the POWER key. Press and hold it to turn the unit off.
ENTERING THE USER MMSI
When you power up your radio for the first time, it displays MMSI Not Entered and then
displays a Marine mode screen. User MMSI numbers are unique and cannot be entered
more than once. See Page E-29 for general information about MMSI numbers and how to
get your specific User MMSI number and enter it.
If you must change your user MMSI, instructions are on the Uniden website (www.uniden.com).
if you choose to not enter your specific MMSI number at initial start up, you can still use
many of your radio's features. However, you cannot use DSC features.
SETTING IT UP
Even though you can change your radio’s settings at any time, you will probably want to
establish initial settings when you turn it on for the first time. You can adjust some of these
settings on an as-needed basis, but some settings might only be set once and not need
adjustment at all.
Acquiring GPS Location
The MHS335BT automatically acquires your current GPS location when it is turned on.
Turn on the radio and point the antenna towards the sky. It will triangulate your location and
save it.
NOTE: Do not let anything obstruct the antenna, such as a metal cabin ceiling. If the radio displays
an Unable to Aquire message, move to an unobstructed location for the antenna.
Changing the Volume
To change the speaker volume, press VOL/SQ to enter Volume Setting mode. Press ▲ to
increase the volume or ▼ to decrease it (Volume levels = 0 - 15).
Setting the Squelch Level
The MHS335BT recognizes signals as transmissions if they exceed a signal strength
threshold. Adjusting the squelch sets this threshold level. Increasing squelch requires a
signal to be stronger to be seen as a transmission. If you set the squelch too high, you
will risk not receiving transmissions that are lower than that threshold. Reducing the
squelch allows weaker signals to be accepted. However, if you lower the squelch too
much, you will hear white noise all the time.
The squelch feature reduces static on the speaker by filtering out any background
channel noise. At the lowest squelch level, the speaker plays all signals, including any
channel noise. Setting the squelch level higher filters out noise and lets only actual radio
transmissions through.
While listening to a channel, press and hold VOL/SQ to enter Squelch Setting mode. Press
▲ to increase the squelch or ▼ to decrease it (Squelch levels = 0 - 15). The following
graphic shows squelch set high enough that only the strongest signals get through.
Uniden MHS335BT Radio Owner’s Manual
E-25
STRONG SIG.
MEDIUM SIG.
WEAK SIG.
OPEN
NOTE: Setting the squelch level too high may prevent you from hearing weaker transmissions. If
you are having difficulty hearing a transmission, try setting the squelch level lower.
Setting the UIC Channel Mode (USA/CAN/INTL)
You can select marine channels for the USA, Canada, or International waters.
1.
Press MENU, then select RADIO SETUP/Channel Mode. The CHANNEL MODE
screen displays.
2.
Select USA, CAN, or INTL and select the SELECT soft key. The RADIO SETUP
screen displays again.
3.
Select BACK twice to return to the Idle screen.
Setting Key Lock
You can lock the keypad through pressing and holding the /LOCK key. KEY LOCK
displays if you press a key while keylock is on. Unlock it by pressing and holding the
LOCK key again. UNLOCK displays.
/
NOTE: Key Lock does not affect PTT or the Distress key. If DISTRESS is pressed, Key Lock turns off
and UNLOCK displays.
Setting WX Alert Mode
1.
Press MENU, then select RADIO SETUP/Weather Radio.
2.
Select WX Alert. The WX ALERT screen displays with the options to turn this alert on
or off.
3.
Select ON. The WEATHER RADIO screen displays again.
4.
Select BACK to return to the RADIO SETUP screen.
5.
Turn WX Alert off through these same menus.
Setting FIPS Codes
FIPS codes identify counties in the United States. FIPS codes allow you to receive only the
Specific Area Message Encoding (S.A.M.E.) alert occurring in a specific area. You can enter
a maximum of 30 FIPS codes.
NOTE: For USA FIPS codes by state, see http://www.nws.noaa.gov/mirs/public/prods/maps/cnty_
fips_list.htm. For Canadian FIPS codes, see https://www.ec.gc.ca/meteo-weather/default.
asp?lang=En&n=E5A4F19C-1.
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Uniden MHS335BT Radio Owner’s Manual
1.
Press MENU then select RADIO SETUP/Weather Radio/S.A.M.E FIPS Code.
2.
Select Add. The Add FIPS Code screen displays.
3.
Enter the FIPS codes for your area (find them on the websites mentioned previously)
and select STORE. The S.A.M.E.FIPS Code screen displays again.
Edit and delete FIPS codes in a similar manner.
Adjusting the Backlight
The backlight LCD function can be set to automatically dim after a set time.
1.
Press MENU then select GENERAL SETUP/Backlight. The Backlight menu displays.
2.
Select Backlight Level and press ▲ or ▼ to adjust the brightness (Off, 1 - 5).
3.
Select Backlight Timeout and press ▲ or ▼ to set the length of time the backlight
stays on before turning off:
5 sec
10 sec
20 sec
30 sec
Always On
After making a backlight timeout selection, choose SELECT. The BACKLIGHT screen
displays again. Select BACK four times to return to the Idle screen,
xx
xx
xx
xx
xx
4.
Adjust the LCD Contrast
This feature lets you adjust the LCD’s contrast level.
1.
Press MENU then select GENERAL SETUP/Contrast. The Contrast screen displays.
2.
Press ▲ or ▼ to select a contrast level (1 - 8, Default = 4) then choose SELECT. The
GENERAL SETUP screen displays again.
3.
Select BACK twice to return to the Idle screen.
Turning the Key Beep On and Off
Key beep is the tone that sounds when you press a key.
1.
Press MENU then select GENERAL SETUP/Key Beep. The KEY BEEP screen
displays.
2.
Select On (Default) or Off. The GENERAL SETUP screen displays again.
3.
Select BACK twice to return to the Idle screen.
OPERATING THE RADIO
Making a Transmission
Select the channel you want to transmit on, then press and hold the Push-to-Talk key.
Begin talking. Release the Push-to-Talk key when you’re finished talking to let the other
party respond.
xx To prevent stuck microphone problems or situations where the Push-to-Talk
key is pushed accidentally, the radio limits your talk time to 5 minutes in a single
transmission.
xx For the best sound quality, hold the microphone about two inches away from your
mouth.
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Changing the Transmission Level
In most situations, 1W transmission power is all you need. If you find yourself far away
from other ships and have trouble getting a response, you may need to increase the
transmission power.
To increase the transmission power in increments:
1.
Select the channel you want to transmit on.
2.
Select the HILO soft key to change the TX output power from 1W to 6W to 2.5W, then
back again to 1W.
3.
1W, 6W, or 2.5W displays. The transmit power remains at the new setting on that
channel until you change it again.
NOTE: If you try to change transmission power output but the channel is only 1W, the radio
sounds an error tone and stays at 1W.
Some channels (for example, channels 13 and 67) limit the transmission power to 1W.
When you tune to a limited-power channel, the radio automatically switches to 1W.
Changing the Channel
Press the ▲ or ▼ keys briefly to scroll through the channels one channel at a time. Press
and hold the ▲ or ▼ keys to quickly scroll through the channels.
Saving the Channel into Memory
1.
When you are on a channel you want to save to memory, press ◄ or ► to scroll
through the soft keys until you find the MEM soft key.
2.
Select the MEM soft key. The channel you are on is saved to memory and the MEM
icon displays
3.
Select the MEM soft key when you are on a saved channel to delete that channel
from memory.
Using the LED Light
LOCK
This feature turns on an LED light. If you press
twice, the radio turns on the
high-intensity LED strobe on your radio. The LED flashes “S O S” in international Morse
Code.
NOTE: Your radio operates normally when the SOS strobe is activated.
1.
Press
LOCK
2.
Press
LOCK
twice. The LED turns on like a flashlight.
again (three times). The LED blinks in a Morse code SOS pattern.
3.
Press
LOCK
again (four times). The LED goes off.
DIGITAL SELECTIVE CALLING FEATURES (DSC)
WHAT IS DSC?
Digital Selective Calling (DSC) is a standard that allows you to call other ships using their
unique identification code (the Maritime Mobile Service Identity or MMSI number), just
like you would call a phone number. To call another station, just enter that station’s MMSI
number and choose the voice channel you want to talk on. The radio uses channel 70 to
transmit your MMSI number to the other station along with the voice channel you requested.
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Uniden MHS335BT Radio Owner’s Manual
If the other station accepts your call, both radios automatically switch to the requested voice
channel so you can talk to the other station.
DSC provides a system for automated distress calls. At the touch of a key, the radio can
transmit your MMSI number, the nature of your distress, and your current position based on
data from your GPS receiver. The radio repeats the distress call every few minutes until it
receives an acknowledgement.
The DSC standard dedicates a VHF channel—channel 70—to digital transmissions only.
Since digital transmissions require less bandwidth voice transmissions, channel 70 avoids
the problems of busy voice channels.
MMSI NUMBERS
In order to use DSC features, you must be assigned an individual User MMSI number and
program that number into your radio.
You can get more information on MMSI numbers at these resources:
xx The dealer where you purchased the radio
xx Recreational boaters can obtain an individual MMSI number from the Boat Owner’s
Association of the U.S. (http://www.boatus.com/mmsi/ or call 800-563-1536) or Sea
Tow Services International (http://seatow.com/boating_safety/mmsi.asp)
xx Commercial boaters need a ship station license to get an MMSI number. For more
information, visit the Federal Communications Commission (FCC) website at http://
wireless.fcc.gov/marine/ fctsht14.html.
Entering MMSI Numbers
When you turn your MHS335BT on for the first time, you have the option of entering your
MMSI number at that point. If you choose not to enter your MMSI number then, you will still
be able to use your radio; however, you will not be able to use any DSC features.
ENTERING YOUR USER MMSI NUMBER
NOTE: Be sure you have the correct User MMSI number before entering it in the radio. The radio
only allows you to enter the User MMSI once. If you need to re-enter the User MMSI number,
visit http://support.uniden.com/marine-radios/ for assistance.
1.
Press MENU then select DSC SETUP/Enter Radio MMSI. The Enter MMSI Number
screen displays.
2.
Enter the MMSI number using the ▲ and ▼ keys. Select NEXT to enter the MMSI
number again to confirm.
3.
Select FINISH to save the MMSI number. The radio displays the Idle screen.
USING THE DIRECTORIES
The directories lets you store up to 80 individual MMSI numbers of other ships and 20
group MMSI numbers. From the directories, you can add, edit or delete MMSI numbers.
Individual Directory
ADD
1.
Press MENU then select DSC SETUP/Individual Directory/ADD. The INDIVIDUAL
DIRECTORY screen displays.
2.
Select ADD, then NAME; choose SELECT.
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3.
A pop-up keyboard displays (see page E-8). Use the directional arrows to navigate
through the keyboard. Choose SELECT after each letter.
When the name is complete, select FINISH. The INDIVIDUAL DIRECTORY screen
displays again. Select MMSI and choose SELECT.
4.
Use ▲ and ▼ to enter the MMSI number. Choose SELECT after each character.
When the ninth digit is correct, select FINISH.
5.
The radio displays the new MMSI number and name and asks you to confirm. To
save this MMSI number and name, select SAVE. To cancel this MMSI number entry,
select DELETE.
EDIT
1.
Press MENU then select DSC SETUP/Individual Directory/EDIT. The INDIVIDUAL
DIRECTORY screen displays with a list of all the names entered into the directory.
2.
Select a name and choose SELECT.
3.
The name and MMSI number display. Select which item you want to edit and choose
SELECT.
4.
Either a popup keyboard displays to edit the name or the MMSI number displays.
When you've finished editing, save your edits.
DELETE
1.
Press MENU then select DSC SETUP/Individual Directory/DELETE. The INDIVIDUAL
DIRECTORY screen displays a list of all the names entered into the directory.
2.
Select a name and choose SELECT.
3.
The entry is deleted.
Group Directory
ADD
Unlike the user MMSI number, you don't have to get a group MMSI number from a specific
organization. The first digit of a group MMSI is fixed at “0;” otherwise, you can create a
number yourself. (If you are part of a boating club, for example, your club's leadership may
have a list of approved group MMSI numbers to use.) You can also change the group MMSI
number as often as you want.
1.
Press MENU then select DSC SETUP/Group Directory/ADD. The GROUP
DIRECTORY screen displays.
2.
Select ADD. Enter the group name and the Group MMSI number. Group MMSI
numbers always start with a 0, so that digit is already entered for you.
3.
Choose SELECT. The radio asks you to confirm.
4.
To save this MMSI number, choose SELECT. To cancel this MMSI number, select
DELETE.
EDIT
1.
Press MENU then select DSC SETUP/Group Directory/EDIT. The GROUP
DIRECTORY screen displays with a list of all the groups entered into the directory.
2.
Select a group and choose SELECT.
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Uniden MHS335BT Radio Owner’s Manual
3.
The group's name and MMSI number display. Select which item you want to edit and
choose SELECT.
4.
Either a popup keyboard displays to edit the group name or the MMSI number
displays. When you've finished editing, save your edits.
DELETE
1.
Press MENU then select DSC SETUP/Group Directory/DELETE. The GROUP
DIRECTORY screen displays a list of all the groups entered into the directory.
2.
Select a group name and choose SELECT.
3.
The group entry is deleted.
MAKING DSC CALLS
There are essentially four different types of DSC voice calls:
Call type
What it does
When to use it
Distress
Alerts all ships that you need
assistance and sends them your
current position.
In an emergency only.
Individual
Calls a single station using the User
MMSI.
When you want to talk to
another station.
Group
Calls all the ships that have the same
Group MMSI as yours.
Any time you want to talk
with the whole group you are
traveling with at the same time.
All Ships
Calls all ships within range of your
radio.
Safety warnings (e.g., debris
in the water) or any urgent
situation.
Suppose you are coordinating safety for a sailboat race. Before the race starts, you instruct
all the racers to enter your group MMSI number into their radios. During the race:
xx Throughout the race, you use group calling to update the racers on the time, race
status, and any course corrections.
xx A power boat full of spectators comes too close to the race path. You use individual
calling to contact the power boat and advise them to stay clear of the race.
xx You see a rowboat entering the area, but since it doesn’t have a radio, you can’t
communicate with the rowboat. You use all ships calling to alert all the other ships in
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the area of the possible danger.
All ships call
All ships call
Group
call
Individual
call
Calling a single station (Individual Call)
To call a single station with DSC, follow these steps:
1.
Scroll thorugh soft keys to select CALL soft key. CALL menu displays.
2.
The radio displays the ships listed in your Individual Directory (see page E-29).
Select the ship you want to call and choose SELECT.
3.
The radio displays the ship you selected to transmit to and the transmission channel.
Select SEND.
4.
The radio displays the ship called and the elapsed time since the call was
transmitted.
5.
The radio automatically switches to channel 70 to transmit the call request.
When the other station accepts the call, both radios switch to the selected
response channel for voice transmission.
xx If the other station did not respond on the channel you selected, you can select
RESEND or BACK.
xx
Calling a particular group of ships (Group Call)
Group calling calls all the ships that share your group MMSI. You must have a group MMSI
programmed into the radio to make a group call, and the ships you are calling must have
this same group MMSI programmed into their radios in the group directory (see page E-30).
1.
Scroll thorugh soft keys to select CALL soft key. CALL menu displays.
2.
Select GROUP CALL.
3.
A list of groups displays (see page E-30 to create groups). Press ▲ and ▼ to scroll
through the list and select the group to call.
4.
The next GROUP CALL screen shows the group and what channel you're transmitting
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Uniden MHS335BT Radio Owner’s Manual
to. After selecting SEND, the radio switches to channel 70 to transmit the call
request and the screen displays a random countdown clock as it waits for an
acknowledgement.
5.
After the countdown clock ends, you can either resend the group call, go back to the
Idle screen, or let the radio generate another countdown clock.
6.
After the radio receives an acknowledgement, it automatically switches to the
designated response channel.
Calling all ships (All-Ships Call)
All ships calling contacts all DSC radios within range of your ship. You should only use all
ships calling in the event of a Safety warning (such as debris in the water) or to request
assistance in an Urgency (any situation where your ship has a serious problem but is not
yet in distress).
1.
Scroll thorugh soft keys to select CALL soft key. CALL menu displays.
2.
Select ALL SHIPS. The ALL SHIPS CALL screen displays, showing two options:
SAFETY and URGENCY.
3.
Select either option and then enter the channel to transmit on. Select SEND.
4.
The next screen displays the type of ALL SHIPS CALL sent, the channel the call was
sent on, and a random countdown clock.
5.
After the countdown clock ends, you can either resend the group call, go back to the
Idle screen, or let the radio generate another countdown clock.
6.
After the radio receives an acknowledgement, it automatically switches to the
designated response channel.
MAKING AN AUTOMATIC DISTRESS CALL
After you have programmed your MMSI number, your radio can transmit an automated
distress call on channel 16 at 6W with your current location and nature of the distress. The
Distress Alert alarm sounds and the radio then monitors channel 16 for a response and
repeats the distress call every few minutes until it receives an acknowledgement.
1.
If you have not already selected a distress message type (see page E-10), go to
MENU/DISTRESS MESSAGE. Select the nature of the alert from the list. The screen
returns to the Main menu.
Undesignated
Sinking
Fire, Explosion
Man Overboard
Adrift
Flooding
Abandoning Ship
Capsizing
Collision
Piracy
Grounding
2.
Press and hold the DISTRESS key on the side of the radio for about 3 seconds. The
Distress Alert alarm sounds and the radio acquires GPS location if needed. After 10
seconds, the radio transmits the distress call, starts a random countdown timer, and
waits for an acknowledgement.
3.
After the timer counts down, another random countdown timer begins unless you
take action Pause, Cancel, or Manually Resend).
NOTE: If no MMSI number has been programmed, the radio prompts you to enter your MMSI
number.
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Canceling an automatic distress call
While the radio is waiting for a response, it gives you the option of canceling the call. To
cancel the distress call, select the CANCEL soft key. A confirmation screen displays; select
the YES soft key.
Resending an automatic distress call
Select the RESEND soft key.
Receiving an automatic distress call acknowledgement
Once you receive an acknowledgement that the distress call was received, you must
manually mute the acknowledgement alarm. Select the MUTE soft key.
Receiving a distress call
When you receive a distress call, the Receiving DSC Distress Call alarm sounds. Press
any key to silence the alarm.
NOTE: This radio does not have the ability to acknowledge a distress call. Only the Coast Guard or
an authorized Search and Rescue agency can acknowledge a DSC distress call.
The soft keys change to QUIT (return to the Idle screen), PAUSE, and INFO (view
longetude, latitude, and time sent information).
DSC CALLS
Individual DSC Call
If your radio receives an individual DSC call from another station, it sounds an incoming call
alarm and displays the MMSI number of the station calling you.
Press any key to stop the alarm. The soft keys change to QUIT (return to the Idle screen),
PAUSE, and INFO (view longetude, latitude, and time sent information).
1.
After you silence the alarm and the soft keys change. Select the PAUSE/CONT soft
keys. The INDIVIDUAL RECEIVE screen displays.
2.
This screen displays a channel option. Select the ABLE soft key to propose a
different channel or UNABLE to send an UNABLE TO COMPLY message and return
to the Idle screen.
3.
After selecting ABLE, the SELECT CHANNEL screen displays a list of available
channels. Scroll to one and choose SELECT.
4.
The INDIVIDUAL RECEIVE screen displays. Select the CONT soft key.
5.
The radio sends the ABLE TO COMPLY message and switches to the working
channel.
Group DSC Call
If your radio receives a group DSC call from another station, it sounds an incoming group
call alarm and displays the name/MMSI number of the group calling you.
1.
Press any key to stop the alarm.
2.
The soft keys change to QUIT (return to the Idle screen), PAUSE, and INFO (view
longetude, latitude, and time sent information). The radio also changes to the
requested working channel.
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Uniden MHS335BT Radio Owner’s Manual
Answer a DSC Call
1.
After you silence the alarm and the soft keys change. select the PAUSE then CONT
soft keys. The INDIVIDUAL RECEIVE screen displays.
2.
This screen displays a channel option. Select the ABLE soft key to propose a
different channel or UNABLE to send an Unable to Comply message and return to
the Idle screen.
3.
After selecting ABLE, the SELECT CHANNEL screen displays a list of available
channels. Scroll to one and choose SELECT.
4.
The INDIVIDUAL RECEIVE screen displays. Select the CONT soft key.
5.
The radio sends the ABLE TO COMPLY message and switches to the working
channel.
DSC Call Logs
Your radio keeps track of the calls you send and receive. The DSC logs are useful if you
have been off your ship or away from your radio and want to see who has tried to contact
you. The radio displays the last 50 transmitted calls and the last 50 received calls that it
received. If you have unread incoming DSC calls, the radio displays a Message icon. When
you display all Distress and Other receiving logs, the message icon disappears.
1.
Select the CALL soft key, then the DSC LOG. Three call logs display: TRANSMITTED
LOG, RECEIVED LOG, and DELETE LOG.
2.
Select TRANSMITTED LOG to see the last 50 calls transmitted by the radio. Select
RECEIVED LOG to see the last 50 calls received by the radio. Select DELETE LOG
to delete entries in a specific log.
3.
Calls are listed in the order they were received, with the newest call shown first. The
display blinks if there are new calls you have not reviewed. The Message icon also
displays.
4.
Select the call you want to see the details of and use ▲ and ▼ to see all of the
information for that call. The log displays different information depending on type of
call received.
DSC Call Type
Receive Log Information
Distress
MMSI (or name), position, time, nature code.
Distress
Acknowledge
MMSI (or name), distress MMSI, position, time, nature code.
All Ships
MMSI (or name), category code, communication channel
number.
Group
MMSI (or name), category code, communication channel
number.
Individual
MMSI (or name), category code, communication channel
number.
Individual
Acknowledge
MMSI (or name), Completed/Unattended, category code,
communication channel number.
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DSC Call Type
Receive Log Information
Test
MMSI (or name), category code.
Test Acknowledge
MMSI (or name), category code.
Pos Reply
MMSI (or name), position, time, category code.
Pos Request
MMSI (or name), category code.
Pos Send
MMSI (or name), position, time, category code.
5.
From the log menu, select EXIT to close the RECEIVE LOG screen and return to the
previous mode.
Making or Returning a Call
1.
From the CALL soft key, select DSC LOG.
2.
Select either TRANSMITTED LOG or RECEIVED LOG. A list of calls displays.
3.
Scroll up or down to select a call. The VIEW LOG displays the dall details.
4.
Select CALL from the VIEW LOG soft keys.
TEST CALLS
Making Test Calls (Test)
NOTE: You can use the test call feature to make sure your radio is working and configured
correctly. To avoid overloading coastal receiving stations, you should limit test calls to these
stations to once a week.
NOTE: Many coastal stations have specific frequencies and MMSI numbers you should use
for making test calls. Before making a test call to a coastal station, be sure to check the Local
Notice to Mariners (LNM), issued every week by the US Coast Guard. The LNMs for each
region are available online at http://www.navcen.uscg.gov/?pageName=lnmMain.
1.
Select CALL from the soft keys.The CALL screen displays.
2.
Scroll to TEST CALL and choose SELECT. The list of ships from the Individual
Directory displays.
3.
Select a ship. The next screen, TEST CALL, displays the name of the ship you just
selected; select SEND.
4.
A WAITING FOR ACK message displays on the Test call screen.
5.
If you do not receive an acknowledgement, either resend the transmission or select
BACK to return to the Idle screen.
Receiving Test Call Setup
When another station sends you a test call, you can select options to answer the test call
manually or have the radio answer automatically.
1.
Press MENU to display the menu options.
2.
Select DSC SETUP/DSC Alarm Setup/Test Call and choose SELECT.
3.
Select On for the radio to automatically send an acknowledgement when it receives a
test call. Select Off to answer the call manually.
4.
The screen returns to the DSC ALARM SETUP menu.
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Uniden MHS335BT Radio Owner’s Manual
POSITION REQUEST AND REPLY
Enabling Automatic Position Reply
If you want the radio to automatically transmit your current position whenever it receives a
position request, you can enable automatic position reply. Most boaters activate automatic
position reply for safety reasons or because they subscribe to a marine towing service.
Sometimes—for example, in some competitive situations--you may not want other ships to
get your position without your manual confirmation.
1.
Press MENU then select DSC SETUP/Individual Reply. The screen displays Individual
Call ACK, Position Request ACK, and Test Call Ack options.
2.
Select either Auto or Manual for either option and then choose SELECT.
POS Request
Any time you need to know where another ship currently is—to find your boating partners,
to respond to a request for assistance, etc.—you can send a position request to their radio:
1.
Select CALL soft key. The CALL screen displays.
2.
Select POSITION REQUEST. The POSITION REQUEST screen displays the list of
ships you entered into the Individual directory.
3.
Select a ship and choose SELECT. A Position Request screen displays for
confirmation. Select SEND.
4.
The radio sends out a position request to that ship and waits for acknowledgement.
5.
If you do not receive an acknowledgement, select BACK to return to the Idle screen.
Position Send
If you are requesting assistance, using an all ships call to give a safety warning, or have
received a Position Request, you can send your current position so other ships know where
you are:
1.
Select CALL soft key. The CALL screen displays.
2.
Select POSITION SEND.
3.
The radio displays the names listed in your directory; use ▲and ▼ to choose the
ship you want to contact and choose SELECT. If you want to contact a station that is
not in your directory, select Manual.
4.
The radio prompts you to enter the MMSI number you want to call. Enter the MMSI
number the same way you enter directory entries (see page 22). Enter all nine digits
and choose SELECT.
5.
The radio displays the name and MMSI number of the station you are about to
contact along with your current position information.Select SEND. To cancel the
transmission, select BACK.
6.
The radio transmits your current position information to the other station.
If you have unread incoming DSC calls, the radio displays a message icon. You can review
who has called through the DSC logs. The radio displays the last 50 transmitted calls and
the last 50 received calls (see page E-35).
AUTO POLLING
Auto Polling lets you request an automatic position update from up to 7 individuals. You can
also send your position automatically to up to 7 individuals.
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1.
Go to DSC Setup/Auto Pos Polling and select Auto Pos Request (to request positions
from other individuals) or Auto Pos Report (to report your position to other individuals.)
2.
Go to DSC Setup/Auto Polling Time and select how often the radio requests or reports
the information.
30 sec
1 min
2 min
3 min
5 min
Select the CALL soft key and select Auto Polling. Choose Selected ID. A blank list for
your selected contacts displays.
xx
xx
xx
xx
xx
3.
4.
Select an blank row. Your Contact List displays the individual contacts previously
entered (see page E-32). Scroll through the list and select a contact.
5.
The Selected ID list displays again with that contact.
6.
Repeat these procedures for up to 7 contacts.
7.
Select BACK and then select Activation.
8.
Select Start to begin or Stop to end auto polling.
A down arrow (↓) displays on the main screen when receiving polling information. An up arrow
(↑) displays when sending polling information
GPS FEATURES
GPS OPERATION OVERVIEW
Your GPS system provides more than just your specific location. The MOB (Man
Overboard) soft key (see page E-13) lets you immediately save your current position so
rescuers can converge on that exact man overboard location. The Favorites menus let you
create a directory of favorite places and their coordinates so you can easily return there.
Using the GPS setup menus, you can determine power-saving options, measurement
increments, and time settings.
The radio is factory-preset to search for your geographic location when it is turned on for
the first time.
GPS MENU
The GPS menu options are:
MENU OPTION
DESCRIPTION
GPS Signal Coverage
Displays latitude, longitude, and time as well as a map of
active satellites within range. (Active satellites display as
black dots; inactive satellites display as white dots.)
GPS Satellite Signal
Displays a list of satellite numbers and signal strength.
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Uniden MHS335BT Radio Owner’s Manual
MENU OPTION
DESCRIPTION
Battery Save
Select what percentage of your battery power should be
saved.
-- Auto (Default - the radio decides how to reserve power (for
example, mimimize background tasks/checks)
-- 40%
-- 50%
-- 70%
-- 90%
Time Offset
Select length of time (in half-hour increments) to offset the
time set on the radio.
Time Display
Area: Choose between local time or UTC (UCT/GMT)
Format: Choose 12-hour or 24-hour style
Daylight Saving Time
Set Daylight Savings Time: On/Off
Direction
Choose Course Up (oriented by your course direction) or
North Up (oriented to compass north).
Location Accuracy
Location in degrees (DDD), minutes (mm), and seconds (ss).
D-GPS
D-GPS is a means of correcting GPS variances. Turn D-GPS
off in the southern hemisphere.
Units of Measure
Set Speed (Knots, MPH, or KM/H), Distance (Nautical Mile,
Staute Mile, or Kilometer), or Altitude (Feet or Meter) as the
radio's unit of measure.
NMEA Output
Select the NMEA output (see page E-39).
Stationary Position
Turn stationary positioning on or off.
NMEA FEATURES
Your radio supports NMEA 0183 (version 4.10), a standard for data communication between
marine instruments.
NMEA sentences contain different sets of data related to your ship. The MHS335BT
supports the following sentences:
DATA
RMC
GLL
GGA
GSV
GSA
UTC Time
O
O
O
X
X
Status (Valid/IInvalid)
O
O
O
X
X
Latitude/Longitude
O
O
O
X
X
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DATA
RMC
GLL
GGA
GSV
GSA
Speed
O
X
X
X
X
Course
O
X
X
X
X
Date
O
X
X
X
X
X = Data Not Provided
O = Data Provided
Chartplotter Connection
Connect to Chartplotter
If you have difficulty getting your chartplotter to receive data from your radio, check the
chartplotter's configuration. It should be set to the following parameters:
Baud rate
4800 bps
Data bits
8
Parity
None
Stop bits
1
Data amplitude
Over 3.0 V
Drive capability
Over 10 mA
NMEA Output
When the radio receives a DSC call (Distress, Position Reply, or Position Send), it outputs a
DSC/DSE sentences from the NMEA output port in the following formats:
xx $CDDSC,12,3081234000,,07,00,0354013946,0657,,,S,E*6D
xx $CDDSE,1,1,A,3081234000,00,60875646*13
ADDITIONAL FEATURES
RENAMING CHANNELS
If you discover that a marine radio channel has a different common name in your local area,
you can change the name of that channel to make it easier for you to use (see the channel
lists beginning on page E-44 for the default channel names). To rename a channel, follow
the steps below:
1.
Press MENU and select RADIO SETUP/Channel Name. The screen displays the list
of channels with their names.
2.
Press ▲ or ▼ to select the channel you want to change and then select RENAME.
E-40
Uniden MHS335BT Radio Owner’s Manual
3.
A popup keyboard displays. Enter a new name. When you have entered the name,
select FINISH.
4.
The channel list displays again with the new name.
5.
When you are satisfied with the channel list, select BACK to return to the Idle screen.
UNIDEN MARINE APP
Uniden's Marine Radio app lets you configure your MHS335BT and send text messages
from your mobile device. The app is available for iOS and Android. Go to the Apple App
store, Google Play, or Amazon to download this free app.
MAINTENANCE AND TROUBLESHOOTING
Due to its rugged design, your radio requires very little maintenance. However, it is a
precision electronic instrument, so you should follow a few precautions:
xx If the antenna has been damaged, do not transmit except in an emergency situation.
Doing so may cause further radio damage.
xx You are responsible for continued FCC technical compliance of your radio.
xx Arrange for periodic performance checks with your Uniden dealer.
Problem
Things to Try
-- Verify that the battery is installed correctly.
-- Charge the radio.
-- Don’t use the charger when the ambient temperature is
below 0° C (32° F) or above 45° C (113° F).
The power LED on the
-- Make sure the charging contacts on the radio and charger
charger doesn’t turn on.
are clean.
-- Replace the battery.
-- Make sure you are not in Weather or Scan mode.
-- Make sure you are not trying to transmit on a receive-only
channel or transmit at the wrong power level for this channel
(see the channel lists starting on page E-44.
The radio won’t transmit. -- Check the battery power level; if it’s low, charge the battery
before trying to transmit.
-- Make sure the duration of each transmission is less than 5
minutes.
-- Try transmitting on a different channel.
-- Adjust the squelch level; it is probably too high.
-- Adjust the volume level; it is probably too low.
I can’t hear anything from
-- If the radio has been exposed to water, there may be water
the speaker.
on the speaker. Remove the water and allow the radio to
dry out.
Noise comes out of the
Adjust the squelch level; it is probably too low.
speaker all the time
The radio won’t turn on.
Uniden MHS335BT Radio Owner’s Manual
E-41
Problem
I can transmit, but no one
can hear me.
I’m not getting hazard
alerts.
Things to Try
Check your UIC channel settings: does the area you are in use
different channel assignments?
Make sure Weather Alert Watch is turned on.
The channel number on the display will flash if the radio is
The display flashes, and I in a Watch mode or in Scan mode. Try turning off scanning,
don’t know why.
Weather Alert Watch, Triple Watch, or Dual Watch beginning
on Page E-20.
Scan won’t start.
Be sure you have channels saved into Favorites.
No beeps sound.
Key beep is set to OFF. Turn Key Beep on.
-- Make sure the MMSI (DSC self ID) is entered.
I cannot send DSC calls.
-- Turn ON the DSC Switch in the menus.
I cannot receive GPS
Reposition the radio so that nothing blocks the antenna from
position data.
the satellite signal.
Where can I find my
The serial number is on a plate inside the battery compartment.
radio’s serial number?
When I turn on the radio,
I get a message that
Be sure there are no obstructions between the radio's antenna
"positioning data is not
and the sky. If you are inside the cabin, move outside.
acquired."
SPECIFICATIONS
General
All US/International/Canada marine channels
Channels
10 Weather channels
Freq. Control
PLL
Transmit: 1.5 PPM (at 77°F/25°C)
Freq. Tol.
Receive: 1.5 PPM (at 77°F/25°C)
Oper. Temp.
-4°F (-20°C) to +122°F(+50°C)
Antenna
Flexible Whip
Microphone
Built-in Electret type
Display
Liquid Crystal Display
Speaker
16Ω 1.0 W
Power Source
Rechargeable Lithium Ion Battery
7.4V 1800 mAh
Size (without antenna, and belt
clip)
E-42
6.122 (H) x 2.562 (W) x 1.633 (D) inch
155.5 (H) x 65.1 (W) x 41.5 (D) mm
Uniden MHS335BT Radio Owner’s Manual
Size (with antenna and belt clip)
11.791 (H) x 2.562 (W) x 2.173 (D) inch
299.5 (H) x 65.1 (W) x 55.2 (D) mm
Weight (without battery, antenna,
6.673 oz (189.2g)
and belt clip)
Weight (with battery, antenna,
and belt clip)
10.945 oz (310.3g)
Battery Weight
3.135 oz (88.9g)
Antenna Weight
0.686 oz (19.46g)
Belt Clip Weight
0.449 oz (12.75g)
Transmitter
Frequency Range
156~158 MHz
Frequency Stability
±2.5 PPM max
Power Output
1W, 2.5W, and 6W
Spurious Emissions
-30 dBm @ HI; -30 dBm @ LO (nominal)
Current Drain
1.5 A (6W)
Receiver
Double Conversion Super Heterodyne
Type
Phase Locked Loop system for Local Oscillator
Frequency Range
156~164 MHz
Sensitivity
0.24 μV for 12dB SINAD
Squelch Sensitivity
Threshold 0.2μV
Audio Frequency Response
+5.5 dB @ 500 Hz; -6 dB @ 2000Hz
Adjacent Channel Selectivity
73 dB @ ±25 kHz
Audio Output Power
≥0.8 W @MAX VOLUME
Current Drain
Squelched: 90mA; Max. Audio: 350mA
REFERENCE TABLES
Channel Descriptions and What They Mean
The table below lists the display name or channel description used in the following tables
and what each description means.
Channel name/description
Used for
DISTRESS SAFETY AND CALLING
primarily emergency messages and distress
calls
INTERSHIP SAFETY
safety messages from one ship to another, or
from a ship to Coast Guard aircraft
Uniden MHS335BT Radio Owner’s Manual
E-43
Channel name/description
Used for
NON-COMMERCIAL (recreational or
voluntary ships only)
messages about the needs of the ship, including
fishing reports, rendezvous, scheduling repairs
and berthing information
COMMERCIAL (working ships only)
messages about the needs of the ship or the
business the ship is engaged in
PUBLIC CORRESPONDENCE/
MARINE OPERATOR
calls to the marine operator at a public coast
station. Marine operators can connect you to the
telephone network so you can make and receive
calls. (There is usually a charge for this service.)
messages about the movement and safety of
ships in or near ports, locks or waterways. In
PORT OPERATIONS/VTS (ship traffic
certain major ports, some channels may be
system)
restricted to specific types of port operations
messages.
NAVIGATIONAL/BRIDGE TO
BRIDGE
messages about ship navigation, for example,
passing or meeting other ships, maneuvering
through locks, or navigating around drawbridges.
Messages must be short!
STATE CONTROL
messages about government regulation and
control, boating activities, or assistance to ships;
also used to talk to ships and coastal stations
operated by state or local governments
DIGITAL SELECTIVE CALLING
DSC signals only (no voice communications
allowed at any time)
MARINE RADIO CHANNEL CHART
Ch No. USA
INT
CAN
TX
RX
Channel Type/Name
01
x
x
156.050
160.650
Public Correspondence (Marine
Operator)
156.050
156.050
Port Operation and Commercial
[VTS (Vessel Traffic System)] in
some areas.
01A*
x
02
x
x
156.100
160.700
Public Correspondence (Marine
Operator)
03
x
x
156.150
160.750
Public Correspondence (Marine
Operator)
04
x
156.200
160.800
Public Correspondence (Marine
Operator)
E-44
Uniden MHS335BT Radio Owner’s Manual
Ch No. USA
INT
04A
05
CAN
TX
RX
x
156.200
156.200
156.250
160.850
Public Correspondence (Marine
Operator). Ship Movement, Port
Operations
x
156.250
156.250
Port Operations, Ship Movement,
VTS in some areas
x
156.300
156.300
Inter-ship safety
156.350
160.950
Public Correspondence (Marine
Operator)
x
05A
x
06
x
07
x
x
Channel Type/Name
Canadian Coast Guard: West Coast
Commercial Fishing: East Coast
7A
x
x
156.350
156.350
Commercial
08
x
x
x
156.400
156.400
Commercial (Inter-Ship Only)
09
x
x
x
156.450
156.450
Boater Calling, Commercial and
Non-Commercial
10
x
x
x
156.500
156.500
Commercial
11
x
x
x
156.550
156.550
Commercial, VTS in selected areas
12
x
x
x
156.600
156.600
Port Operations, VTS in selected
areas
13
x
x
x
156.650
156.650
Intership Navigation Safety (Bridgeto-Bridge). Ships >20m length
maintain a listening watch on this
channel in US waters.
14
x
x
x
156.700
156.700
Port Operation, VTS in some areas
15
x
Inhibit
156.750
Environmental (Receive Only)
15
x
x
156.750
156.750
Inter-ship, Port Operations,
Commercial, Non-Commercial, Ship
Movement (1 Watt Only)
16
x
x
x
156.800
156.800
Distress, Safety, Calling
17
x
x
x
156.850
156.850
State and Local Govt Maritime
Control (1 Watt Only)
156.900
161.500
Port Operations, Ship Movement
156.900
156.900
156.950
161.550
Commercial
x
156.950
156.950
Commercial
x
157.000
161.600
18
18A
x
x
19
x
x
19A
x
20
x
x
Commercial
Canada: Towing West Coast
Port Operations
Canada: 1 Watt Only
Uniden MHS335BT Radio Owner’s Manual
E-45
Ch No. USA
20A
21
21A
INT
x
x
21B
22
22A
x
x
RX
Channel Type/Name
157.000
157.000
Port Operation
157.050
161.650
Port Operations
157.050
157.050
Coast Guard Only
x
INHIBIT
161.650
Canadian CG Continuous Marine
Broadcast (CMB) Service
157.100
161.700
Port Operations, Ship Movement
x
157.100
157.100
US and Canadian Coast Guard
Liaison and Airtime Safety
Information Broadcasts Announced
on Channel 16
x
157.150
161.750
Public Correspondence (Marine
Operator)
157.150
157.150
US Coast Guard Only
x
INHIBIT
161.750
Canadian CG Continuous Marine
Broadcast (CMB Service
x
23B
TX
x
x
23
23A
CAN
x
24
x
x
x
157.200
161.800
Public Correspondence (Marine
Operator)
25
x
x
x
157.250
161.850
Public Correspondence (Marine
Operator)
x
INHIBIT
161.850
Canadian CG Continuous Marine
Broadcast (CMB) Service
25B
26
x
x
x
157.300
161.900
Public Correspondence (Marine
Operator)
27
x
x
x
157.350
161.950
Public Correspondence (Marine
Operator)
28
x
x
x
157.400
162.000
Public Correspondence (Marine
Operator)
x
INHIBIT
162.000
Canadian CG Continuous Marine
Broadcast (CMB) Service
x
156.025
160.625
Public Correspondence (Marine
Operator)
156.075
160.675
Public Correspondence (Marine
Operator)
156.075
156.075
156.125
160.725
28B
60
x
61
x
61A
62
E-46
x
x
Canadian Coast Guard: West Coast
Commercial Fishing: East Coast
Public Correspondence (Marine
Operator)
Uniden MHS335BT Radio Owner’s Manual
Ch No. USA
INT
62A
63
63A
x
x
64A
65
RX
Channel Type/Name
156.125
156.125
Canadian Coast Guard
156.175
160.775
Public Correspondence (Marine
Operator)
x
156.175
156.175
VTS, Port Operations
x
156.225
160.825
Public Correspondence (Marine
Operator)
x
156.225
156.225
Canada: Commercial Fishing Only
156.275
160.875
Public Correspondence (Marine
Operator)
156.275
156.275
156.325
160.925
156.325
156.325
x
x
66
66A
TX
x
x
64
65A
CAN
x
x
x
x
Port Operations
Canada: Towing West Coast
Public Correspondence (Marine
Operator)
Port Operations
Canada: 1 Watt Only
US: Commercial, Bridge-to-Bridge,
VTS in some areas
67
x
x
x
156.375
156.375
Canada: Search and Rescue,
Commercial in some areas, NonCommercial on West Coast
68
x
x
x
156.425
156.425
Non -Cmmercial
69
x
x
x
156.475
156.475
70
x
x
x
156.525
156.525
71
x
x
x
156.575
156.575
Canada: Ship Movement West
Coast, Non-Commercial East Coast
72
x
x
x
156.625
156.625
Non-Commercial (Ship-to-Ship)
73
x
x
x
156.675
156.675
Port Operations
74
x
x
x
156.725
156.725
Port Operations
75
x
x
x
156.775
156.775
Port Operations (1 Watt Only)
76
x
x
x
156.825
156.825
Port Operations (1 Watt Only)
77
x
x
x
156.875
156.875
Port Operations (Ship-to-Ship)
156.925
161.525
Port Operations
156.925
156.925
Non-Commercial, Inter-Ship
Non-Commercial
Canada: Commercial East Coast.
Non-Commercial West Coast
DSC (Digital Selective Calling) Only.
No Voice Communications Allowed
US: Non-Commercial
78
78A
x
x
x
Uniden MHS335BT Radio Owner’s Manual
E-47
Ch No. USA
INT
79
x
79A
x
80
80A
Channel Type/Name
161.575
Port Operations
156.9750
156.975
Commercial, Inter-Ship
157.025
161.625
Port Operationsx
157.025
157.025
Commercial, Inter-Ship
157.075
161.675
Port Operations
157.075
157.075
Government, Canadian Coast Guard
157.125
161.725
Port Operations
157.125
157.125
Government, Canadian Coast Guard
157.175
161.775
Port Operations
x
157.175
157.175
Coast Guard
x
INHIBIT
161.775
Canadian CG Continuous Marine
Broadcast (CMB) Service
x
x
x
x
x
x
83
83A
RX
156.975
x
x
82
82A
TX
x
81
81A
CAN
x
x
x
83B
84
x
x
x
157.225
161.825
Public Correspondence (Marine
Operator)
85
x
x
x
157.275
161.875
Public Correspondence (Marine
Operator)
86
x
x
x
157.325
161.925
Public Correspondence (Marine
Operator)
87
x
x
x
157.375
157.375
Public Correspondence (Marine
Operator)
88
x
x
x
157.425
157.425
Public Correspondence (Marine
Operator)
1019
x
x
156.950
156.950
Commercial
1020
x
x
157.000
157.000
Port Operations
1078
x
x
156.925
156.925
Non-Commercial, Inter-Ship
1079
x
x
156.975
156.975
Commercial, Inter-Ship
2019
x
161.550
161.550
Commercial
2020
x
161.600
161.600
Port Operations
2078
x
161.525
161.525
Port Operations
2079
x
161.575
161.575
Port Operations
WEATHER CHANNELS AND FREQUENCIES (US, CAN, AND INTL)
Ch No.
RX Freq
Name on display
WX01
162.5500
162.550 MHz
WX02
162.4000
162.400 MHz
WX03
162.4750
162.475 MHz
E-48
Uniden MHS335BT Radio Owner’s Manual
Ch No.
RX Freq
Name on display
WX04
162.4250
162.425 MHz
WX05
162.4500
162.450 MHz
WX06
162.5000
162.500 MHz
WX07
162.5250
162.525 MHz
WX08
161.6500
161.650 MHz
WX09
161.7750
161.775 MHz
WX10
163.2750
163.275 MHz
EMERGENCY ALERT (SAME) SYSTEM
Types of Events
xx
xx
xx
xx
A WARNING is an event that alone poses a significant threat to public safety and/or
property, probability of occurrence and location is high, and the onset time is relatively
short.
A WATCH meets the classification of a warning, but either the onset time, probability
of occurrance, or location is uncertain.
An EMERGENCY is an event that, by itself, would not kill or injure or do property
damage, but indirectly may cause other things to happen that result in a hazard. For
example, a major power or telephone loss in a large city alone is not a direct hazard,
but disruption to other critical services could create a variety of conditions that could
directly threaten public safety.
A STATEMENT is a message containing follow up information to a warning, watch, or
emergency.
Event
SAME Code Type
Blizzard Warning
BZW
Warning
Coastal Flood Watch
CFA
Watch
Coastal Flood Warning
CFW
Warning
Dust Storm Warning
DSW
Warning
Flash Flood Watch
FFA
Watch
Flash Flood Warning
FFW
Warning
Flash Flood Statement
FFS
Statement
Flood Watch
FLA
Watch
Flood Warning
FLW
Warning
Flood Statement
FLS
Statement
High Wind Watch
HWA
Watch
High Wind Warning
HWW
Warning
Hurricane Watch
HUA
Watch
Hurricane Warning
HUW
Warning
Uniden MHS335BT Radio Owner’s Manual
E-49
E-50
Event
SAME Code Type
Hurricane Statement
HLS
Statement
Severe Thunderstorm Watch
SVA
Watch
Severe Thunderstorm
Warning
SVR
Warning
Severe Weather Statement
SVS
Statement
Special Marine Warning
SMW
Warning
Special Weather Statement
SPS
Statement
Tornado Watch
TOA
Watch
Tornado Warning
TOR
Warning
Tropical Storm Watch
TRA
Watch
Tropical Storm Warning
TRW
Warning
Tsunami Watch
TSA
Watch
Tsunami Warning
TSW
Warning
Winter Storm Watch
WSA
Watch
Winter Storm Warning
WSW
Warning
Avalanche Watch
AVA
Watch
Avalanche Warning
AVW
Warning
Child Abduction Emergency
CAE
Emergency
Civil Danger Warning
CDW
Warning
Civil Emergency Message
CEM
Emergency
Earthquake Warning
EQW
Warning
Evacuation Immediate
EVI
Warning
Fire Warning
FRW
Warning
Hazardous Materials Warning
HMW
Warning
Law Enforcement Warning
LEW
Warning
Local Area Emergency
LAE
Emergency
911 Telephone Outage
Emergency
TOE
Emergency
Nuclear Power Plant Warning
NUW
Warning
Radiological Hazard Warning
RHW
Warning
Shelter in Place Warning
SPW
Warning
Volcano Warning
VOW
Warning
Test Message
ADR
Test
Practice/Demo Warning
DMO
Test
Uniden MHS335BT Radio Owner’s Manual
Event
SAME Code Type
Required Monthly Test
RMT
Test
Required Weekly Test
RWT
Test
No Response Event Code
TXB
Transmitter Backup On
TXF
Transmitter Carrier On
TXO
Transmitter Carrier On
TXP
Transmitter Primary On
REGULATIONS AND SAFETY WARNINGS
WARNING! Read this information before using the radio.
MARITIME RADIO SERVICES OPERATION
Warning! This transmitter will operate on channels/frequencies that have restricted use in the
United States. The channel assignments include frequencies assigned for exclusive use of the
U.S. Coast Guard, use in Canada, and use in international waters. Operation on these frequencies
without proper authorization is strictly forbidden. See page E-44 for tables of the available channels
and their uses. If you are still not certain which channels to use, see the FCC maritime radio page at
the FCC website (http://wireless.fcc.gov/marine/) or contact the FCC Call Center at 1-888-CALLFCC. For individuals requiring a license, such as commercial users, you should obtain a license
application from your nearest FCC field office (for US users) or Industry Canada (for Canadian
users).
BASIC RADIO GUIDELINES
You should familiarize yourself with the rules on marine radios and be aware of which rules apply
to your ship. Complete guidelines for all ship and marine radio types can be found at the US Coast
Guard website under the topic Radio Info for Boaters (the direct link is http://www.navcen.uscg.
gov/?pageName=mtBoater. Here are a few guidelines that affect nearly all boaters.
•
If you have a VHF radio on your ship, you must maintain a watch on channel 16 (156.800 MHz)
whenever the radio is not being used to communicate. Starting in 2004, if a radio is carried, it
must be on and set to channel 16 whenever your ship is underway.
•
If you hear a distress call, wait a few minutes to let a shore station or Coast Guard ship
respond. If no other station has responded after 5 minutes, you must respond to the distress
call.
•
Do not make false mayday or distress calls as a prank or to test your radio. (This is essentially
like making a false 9-1-1 call; you may be subject to fines.)
FCC/Industry Canada Information
Certification: FCC Part 80 or RSS-182
Output Power: 6W
Emission: 16K0F3E
Uniden MHS335BT Radio Owner’s Manual
E-51
Transmitter Frequency Range: 156.025-157.425 MHz
This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this
device does not cause harmful interference.
Unauthorized changes or modifications to this equipment may void compliance with the FCC Rules.
Any change or modification must be approved in writing by Uniden. Changes or modifications not
approved by Uniden could void the user’s authority to operate the equipment.
FCC RF Exposure Information
In August 1996 the Federal Communications Commission (FCC) of the United States with its action
in Report and Order FCC 96-326 adopted an updated safety standard for human exposure to radio
frequency electromagnetic energy emitted by FCC regulated transmitters. Those guidelines are
consistent with the safety standard previously set by both U.S. and international standards bodies.
The design of the radio complies with the FCC guidelines and these international standards.
Never allow children to operate the radio without adult supervision and the knowledge of the
following guidelines.
WARNING! It is up to the user to properly operate this radio transmitter to insure safe operation.
Please adhere to the following:
Use only the supplied or an approved antenna. Unauthorized antennas, modifications, or
attachments could impair call quality, damage the radio, or violate FCC regulations.
Do not use the radio with a damaged antenna. If a damaged antenna comes into contact with the
skin, a minor burn may result. Please contact your local dealer for a replacement antenna.
To maintain compliance with FCC RF exposure requirements, the radio must be used with a
maximum duty cycle not exceeding 50% in a typical push-to-talk radio use time. DO NOT transmit
for more than 50% of total radio use time.
Body-Worn Operation
This device was tested for typical body-worn operations using the supplied belt-clip. To maintain
compliance with FCC RF exposure requirements, body-worn operations are restricted to the
supplied belt-clip. For hand-held operation, the radio should be held 1 inch from the user’s face. The
use of accessories that do not satisfy these requirements may not comply with FCC RF exposure
requirements and should be avoided. For more information about RF exposure, please visit the FCC
website at www.fcc.gov.
Lithium Ion Battery Warning
This equipment contains a rechargeable Lithium Ion battery. The rechargeable Lithium Ion battery
contained in this equipment may explode if disposed of in a fire.
Do not short-circuit the battery.
Do not charge the rechargeable battery used in this equipment in any charger other than the one
specified in the owner’s manual. Using another charger may damage the battery or cause the
battery to explode.
NOTE: Li-Ion batteries must be recycled or disposed of properly.
Avoid exposing the battery (whether attached to the radio or not) to direct sunlight, heated cars, or
temperatures below -4°F (-20°C) or above +140°F (+60°C). Exposing the chemical contained within
the battery pack to temperatures above +140°F (+60°C) may cause the battery to rupture, fail, or
reduce performance.
In case of exposure to the cell contents, wash the affected area thoroughly, and seek medical
attention.
E-52
Uniden MHS335BT Radio Owner’s Manual
RBRC INFORMATION
As part of our commitment to protect the environment and conserve natural resources, Uniden
voluntarily participates in an RBRC® industry program to collect and recycle used Li-Ion batteries
within the US.
Please call 1-800-8-BATTERY for information on Li-Ion battery recycling
in your area.
(RBRC® is a registered trademark of the Rechargeable Battery Recycling
Corporation.)
COMPLIANCE
FCC Part 15
The equipment has been tested and found to comply with the limits for a Class B device, pursuant
to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses, and can radiate
radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio
or television reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one of the following measures:
•
Reorient or relocate the receiving antenna.
•
Increase the separation between the equipment and the receiver
•
Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
•
Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by the party responsible for compliance could
void your authority to operate the equipment. Any change or modification must be approved in
writing by Uniden.
This device complies with Part 15 of the FCC rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.
Tout changement ou modification non approuvé expressément par la partie responsable pourrait
annuler le droit à l’utilisateur de faire fonctionner cet équipement. Tout changement ou modification
doit être approuvé par écrit par Uniden.
Avis de conformité à la FCC : Ce dispositif a été testé et s’avère conforme à l’article 15 des
règlements de la Commission fédérale des communications (FCC). Ce dispositif est soumis
aux conditions suivantes: 1) Ce dispositif ne doit pas causer d’interférences nuisibles et; 2)
Il doit pouvoir supporter les parasites qu’il reçoit, incluant les parasites pouvant nuire à son
fonctionnement.
In order to comply with FCC RF Exposure requirements, this device must be installed to provide at
least 7.9 in (20 cm) separation from the human body at all times.
IC
This device complies with Industry Canada's license-exempt RSSs. Operation is subject to the
following two conditions:
(1) this device may not cause interference, and
(2) this device must accept any interference, including interference that may cause undesired
Uniden MHS335BT Radio Owner’s Manual
E-53
operation of the device.
Cet appareil est conforme aux normes CNR d’Industrie Canada destinés aux appareils radio
exempts de licence. Son fonctionnement est soumis aux deux conditions suivantes :
1) Cet appareil ne doit pas causer d’interférences nuisibles et;
2) Il doit pouvoir accepter les interférences, incluant celles pouvant nuire à son fonctionnement
normal.
In order to comply with FCC/ISED RF Exposure requirements, this device must be installed to
provide at least 7.9 in. (20 cm) separation from the human body at all times.
Afin de se conformer aux exigences d’exposition RF FCC/ISED, ce dispositif doit être installé pour
assurer une séparation d’au moins 20 cm du corps humain à tout moment.
THREE-YEAR LIMITED WARRANTY
WARRANTOR: UNIDEN AMERICA CORP. (“Uniden”)
ELEMENTS OF WARRANTY: Uniden warrants, for three years, to the original retail owner, this
Uniden Product to be free from defects in materials and craftsmanship with only the limitations or
exclusions set out below.
WARRANTY DURATION: This warranty to the original user shall terminate and be of no further
effect 36 months after the date of original retail sale. The warranty is invalid if the Product is (A)
damaged or not maintained as reasonable or necessary, (B) modified, altered, or used as part
of any conversion kits, subassemblies, or any configurations not sold by Uniden, (C) improperly
installed, (D) serviced or repaired by someone other than an authorized Uniden service center for a
defect or malfunction covered by this warranty, (E) used in any conjunction with equipment or parts
or as part of any system not manufactured by Uniden, or (F) installed or programmed by anyone
other than as detailed by the Operating Guide for this product.
STATEMENT OF REMEDY: In the event that the product does not conform to this warranty
at any time while this war-ranty is in effect, warrantor will repair the defect and return it to you
without charge for parts, service, or any other cost (except shipping and handling) incurred by
warrantor or its representatives in connection with the performance of this warranty. THE LIMITED
WARRANTY SET FORTH ABOVE IS THE SOLE AND ENTIRE WARRANTY PERTAINING TO THE
PRODUCT AND IS IN LIEU OF AND EXCLUDES ALL OTHER WARRANTIES OF ANY NATURE
WHATSOEVER, WHETHER EXPRESS, IMPLIED OR ARISING BY OPERATION OF LAW,
INCLUDING, BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE. THIS WARRANTY DOES NOT COVER OR PROVIDE
FOR THE REIMBURSEMENT OR PAYMENT OF INCIDENTAL OR CONSEQUENTIAL DAMAGES.
Some states do not allow this exclusion or limitation of incidental or consequential damages so the
above limitation or exclusion may not apply to you.
LEGAL REMEDIES: This warranty gives you specific legal rights, and you may also have other
rights which vary from state to state. This warranty is void outside the United States of America.
PROCEDURE FOR OBTAINING PERFORMANCE OF WARRANTY: If, after following the
instructions in this Operating Guide you are certain that the Product is defective, pack the Product
carefully (preferably in its original packaging). Include evidence of original purchase and a note
E-54
Uniden MHS335BT Radio Owner’s Manual
describing the defect that has caused you to return it. The Product should be shipped freight
prepaid, by traceable means, or delivered, to warrantor at:
Uniden America Corporation
C/O Saddle Creek
743 Henrietta Creek Rd., Suite 100
Roanoke, TX, 76262
Uniden MHS335BT Radio Owner’s Manual
E-55
QUESTIONS?
Visit our website at
www.uniden.com or
call 1-800-297-1023.
QUESTIONS?
Contactez-nous au
www.uniden.com ou
appelez 1-800-297-1023.
Printed in Vietnam
Imprimé au Vietnam
Issue 2, August 2018
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