Garmin | GTN™ 625 | Garmin GTN™ 625 GTN 625/635/650 SW v6.50 Upgrade Supplement

Garmin GTN™ 625 GTN 625/635/650 SW v6.50 Upgrade Supplement
GTN 625/635/650 SOFTWARE v6.50
PILOT’S GUIDE UPGRADE SUPPLEMENT
This supplement contains the pages revised in the GTN 625/635/650 Pilot’s Guide,
P/N 190-01004-03, Rev N, regarding the new features of software v6.50. Change bars
are placed adjacent to the revised information as described in the revision summary table.
This supplement, in combination with the GTN 625/635/650 Pilot’s Guide,
P/N 190-01004-03, Rev. M, is equivalent to the GTN 625/635/650 Pilot’s Guide,
P/N 190-01004-03, Rev. N.
Current documents are available at flyGarmin.com
Printed copies may be purchased by contacting Garmin Customer Support.
NOTE: Depending on which version of software is installed and how
it is configured, the actual features and screen images may differ from
what is shown. For more information regarding feature availability for
specific software versions refer to the GTN 625/635/650 Pilot’s Guide,
P/N 190-01004-03.
GTN 625/635/650 SW v6.50 Pilot’s Guide Upgrade Supplement 190-01004-19 Rev. A
© 2018
Garmin International, Inc. or its subsidiaries
All Rights Reserved
Except as expressly provided herein, no part of this manual may be reproduced, copied, transmitted, disseminated,
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unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited.
This manual reflects the operation of system software v6.50 or later. Some differences in operation may be observed
when comparing the information in this manual to later software versions.
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GTN 625/635/650 SW v6.50 Pilot’s Guide Upgrade Supplement 190-01004-19 Rev. A
GTN 625/635/650 Pilot’s Guide Revision N, Change Summary
Section
Page
4
4-1
4.1
4-2
4.2.1
4-4
4.2.1.2
4-6
4.2.1.4
4.2.1.5
4-7
4-9
4.3
4-23
4.3.2
4.3.3
4.3.4
4.3.5
4-24
4-25
4-32
4-33
4.3.6
4-35
4.3.7.2
4-37
Description
Section 4 – Flight Plans
Updated menu options in figure 4-1, “Flight Plan Functional
Diagram.”
Updated screen image in figure 4-4, “Remove Single Existing
Waypoint.”
Updated screen image in figure 4-8, “Active Flight Plan Wpt
Options.”
Updated screen image in figure 4-11, “Active Flight Plan Insert
Waypoint Before Option.”
Added “Along Track Offsets” section.
Revised sequence steps for clarity.
Updated screen image in figure 4-43, “Flight Plan Menu.”
Updated menu options in figure 4-44, “Flight Plan Menu
Functional Diagram.”
Added note regarding removal of ATKs.
Added “En Route Vertical Navigation” section.
Added “Temperature Compensated Altitude” section.
Added note regarding en route vertical navigation availability.
Added Altitude and Flight Path Angle to list of user-selectable
data fields.
Added information related to VNAV functionality.
Added note regarding the removal of ATKs.
Section 5 – Direct-To
5.5
5-6
Updated screen image in figure 5-9, “Touch the Map to Create
a MAPWPT as the Direct-To Course Destination.”
Section 6 – Procedures
6
6-1
6.2
6-4
6.3
6-8
Revised note regarding bar-corrected altitude to include en
route vertical navigation.
Added note regarding advisory climb altitudes.
Added note about verifying altitudes when using Descent
VNAV.
GTN 625/635/650 SW v6.50 Pilot’s Guide Upgrade Supplement 190-01004-19 Rev. A
Section
6.4
Page
6-9
6-12
Description
Added note about verifying altitudes (including ATC cleared
altitudes) when using Descent VNAV.
Added table 6-2, “Loading and Activating an Approach.”
Section 7 – Waypoint Info
7.7
7-15
7-18
7.8
7-19
7.8.2
7-20
7.9
7-23
Added note pertaining to user airport feature availability.
Added information related to user airports.
Updated screen image in figure 7-24, “Waypoint Info - Create
User Waypoint.”
Updated Create Waypoint key icon.
Added step 4. Includes associated key icon.
Updated screen image in figure 7-26, “Waypoint Info - Create
User Waypoint Type.”
Added step 8. Includes associated key icon.
Updated screen image in figure 7-28, “Waypoint Info - Set
Lat/Lon Coordinate Selection.”
Added information about overwriting existing user waypoints
during import.
Section 8 – Map
8.1.2
8.1.2.1
8-9
8-11
8-15
8.6
8-42
Added Altitude Constraints menu option to figure 8-10,
“Map Setup Functional Diagram.”
Added Altitude Constraint feature to table 8-2, “Map Setup
Map Options.”
Added “Altitude Constraints” subsection.
Added User Airport, TOD/BOD, and ATK to table 8-19,
“Map Symbols.”
Section 9 – Traffic
9.5.2
9.5.2.1
9-19
Updated screen image in figure 9-11, “ADS-B Traffic Menu.”
Added “ADS-B Display” subsection.
Section 10 – Terrain
10.1
10.2
10-1
10-2
Added table 10-1, “Terrain Configurations.”
Added “GPS Altitude for Terrain” section.
GTN 625/635/650 SW v6.50 Pilot’s Guide Upgrade Supplement 190-01004-19 Rev. A
Section
10.5
Page
10-10
Description
Added “Terrain Alerting” section.
Section 11 – Weather
11.3
11-32
11.3.4
11-36
Updated hyperlink to Connext weather page on Garmin
website.
Revised Connext Weather activation information.
Section 14 – Utilities
14-1
14
14-3
14.1
14-4
15
15-2
15.4
15-15
15.4.3
15-16
15-19
15.4.4.3
15.4.5
15.7
15-20
15-22
15-23
15-32
Updated screen image in figure 14-1, “Utilities Home Page.”
Added table 14-1, “Utilities Page Features.” Includes
descriptions for VNAV and Logs pages.
Added VNAV and Logs menu options to figure 14-2, “Utilities
Functional Diagram.”
Added note regarding feature/page exclusivity.
Section 15 – System
Added Keyboard to Setup menu options in figure 15-2,
“System Function Summary.”
Added Keyboard to list of System Setup page functions.
Added COM Sidetone Control and Keyboard menu options to
figure 15-19, “System Setup Functions.”
Updated screen image in figure 15-20, “System Setup Page.”
Added information regarding Include User Airports function.
Updated screen image in figure 15-25, “Select Nearest Airport
Criteria.”
Added step 5 to reflect addition of Include User Airports key.
Added “COM Sidetone Control” section.
Added “Keyboard Format” section.
Added unit values for Position Format to table 15-9, “System
Units Setup.”
GTN 625/635/650 SW v6.50 Pilot’s Guide Upgrade Supplement 190-01004-19 Rev. A
Section
15.7.3
Page
15-35
15-36
15.11.2
15-42
Description
Added list of available position formats.
Added information about regional position formats.
Added figure 15-48, “British National Grid Position Format
Detail.”
Added figure 15-49, “Irish National Grid Position Format
Detail.”
Added figure 15-50, “Swiss National Grid Position Format
Detail.”
Updated screen image in figure 15-51, “Position Format
Selection.”
Added information about passkey verification.
Section 16 – Messages
16
16-24
Added VNAV related messages to table 16-1, “Messages.”
Section 17 – Symbols
17.1
17-1
Added User Airport, TOD/BOD, and ATK to table 17-1,
“Map Page Symbols.”
Section 18 – Appendix
18.4
18-21
Rewrote “Glove Qualification Procedure” section.
GTN 625/635/650 SW v6.50 Pilot’s Guide Upgrade Supplement 190-01004-19 Rev. A
4
FLIGHT PLANS
Foreword
The GTN 6XX lets you create up to 99 different flight plans, with up to 100
waypoints in each flight plan. The Flight Plan function is accessed by touching
the Flight Plan key on the Home page. The Flight Plan function allows you to
create, store, edit, and copy flight plans.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Menu
Active FPL
Waypoint
Options
Activate Leg
Insert Before
Insert After
Load Procedures*
Load SAR**
Hold at Waypoint
Load Airway***
Waypoint Info
Remove
Catalog
Store
Delete
Preview
Parallel Track
Invert
VNAV
Temperature
Compensation
Edit Data Fields
Add Waypoint
Direct-To
Select Waypoint
Find
Recent
Nearest
Flight Plan
User
Search by Name
Search by City
Proc
Wpt Info
Map
Traffic
* "Load Procedures" is shown for airports
** "Load SAR" is only shown when the Search and Rescue feature is enabled by the installer
*** "Load Airway" is shown for waypoints on a published airway
Terrain
Weather
Figure 4-1 Flight Plan Functional Diagram
Nearest
NOTE: Navigation is provided for fixed wing aircraft above 30 kts and for
rotorcraft above 10 kts.
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
4-1
Foreword
4.1
Creating a New Flight Plan
NOTE: If a flight plan that includes a procedure that has been modified
by the pilot is saved into the flight plan catalog, the GTN cannot check the
accuracy of that procedure when that flight plan is used on a later flight. It
is recommended that flight plans with modified procedures not be saved
in the flight plan catalog.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
1. From the Home page, touch Flight Plan.
FPL
Touch To Remove
Waypoint
Direct-To
Touch To Add
Waypoint
Proc
Wpt Info
Figure 4-2 Create New Flight Plan
2. If there is already an Active Flight Plan, touch Menu and then
the Delete and OK keys to delete the existing active flight
plan.
Map
Traffic
Terrain
Touch To Delete
Flight Plan
Weather
Nearest
Figure 4-3 Delete Existing Flight Plan
Services/
Music
A single waypoint may be deleted by touching the waypoint
and then touching the Remove key.
Utilities
Selected Waypoint
System
Messages
Touch To Remove
Waypoint
Symbols
Figure 4-4 Remove Single Existing Waypoint
Appendix
Index
4-2
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
4.2
The Active Flight Plan Page provides information and editing functions for
the flight plan currently in use for navigation. Once you have activated a flight
plan, the Active Flight Plan Page shows each waypoint for the flight plan, along
with the Desired Track (DTK), Distance (DIST) for each leg and Cumulative
Distance (CUM). The data fields are user-selectable and may be changed to
display Cumulative Distance (CUM), Distance (DIST), Desired Track (DTK),
En Route Safe Altitude (ESA), or Estimated Time of Arrival (ETA).
DTK Between Legs *
DIST Between Legs *
Direct-To
Proc
Origin and Destination Waypoints
Flight Plan Menu Options
Active Leg Navigation
Wpt Info
Parallel Track Active
Map
Up/Down Keys to Scroll FPL
Traffic
Terrain
Weather
Active Flight Plan Page
Figure 4-7 Active Flight Plan Page
* The field types may be changed using the Edit Data Fields function in the
Flight Plan page Menu.
4.2.1
Nearest
Waypoint Options
1. While viewing the Active Flight Plan page, touch the desired
flight plan waypoint. The Waypoint Options menu opens.
Services/
Music
Waypoint Options
For KLAX
Utilities
System
Messages
Symbols
Figure 4-8 Active Flight Plan Wpt Options
2. Touch one of the options to perform the selected action. Cancel
the option selection by touching the Back key.
Appendix
Index
4-4
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
Foreword
Getting
Started
4.2.1.2
The Insert Before option allows you to insert a new waypoint into the active
flight plan before the selected waypoint.
1. On the Active Flight Plan page, touch the desired waypoint in
the flight plan. The Waypoint Options list will be displayed.
Audio &
Xpdr Ctrl
Com/Nav
FPL
Insert Before
Option Will Insert
New Waypoint
Before This
Selected Flight
Plan Waypoint
Insert Before
Option Was
Selected
Direct-To
Proc
Figure 4-11 Active Flight Plan Insert Waypoint Before Option
Wpt Info
Map
2. Touch the Insert Before key to select a new waypoint before
the selected waypoint.
Traffic
3. Select a waypoint identifier with the alphanumeric keypad.
Choose New Waypoint
To Insert Before
Selected Flight Plan
Waypoint
Terrain
Weather
Nearest
Figure 4-12 Use the Alphanumeric Keypad to Select Waypoint to Insert Before
Services/
Music
4. Then, touch Enter to confirm the selection or touch Cancel
to cancel any changes. The new flight plan will be shown.
Utilities
System
New Waypoint
Inserted Before
Selected Flight
Plan Waypoint
Messages
Symbols
Figure 4-13 New Waypoint Is Inserted Before the Selected Waypoint
Appendix
Index
4-6
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
Selected Flight
Plan Waypoint
New Flight
Plan Waypoint
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
Figure 4-14 Flight Plan Before and After New Waypoint Inserted
4.2.1.3
Insert After
FPL
The Insert After option allows you to insert a new waypoint into the active
flight plan after the selected waypoint.
1. On the Active Flight Plan page, touch the desired waypoint in
the flight plan. The Waypoint Options list will be displayed.
2. Touch the Insert After key to select a new waypoint after the
selected waypoint.
3. Select a waypoint identifier with the alphanumeric keypad.
Then, touch Enter to confirm the selection, or touch the
Cancel key to cancel the operation and return to the Waypoint
Options window.
4.2.1.4
Along Track Offsets
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
NOTE: This feature is available in software v6.50 and later.
Nearest
An along track (ATK) represents a temporary lateral position (or checkpoint)
relative to an existing waypoint in the flight plan. Offset distance values range
between 1 nm and 200 nm, and may be specified in 1 nm increments.
Unlike database waypoints, ATKs indicate a temporary route fix in the flight
plan. Once created, their position remains fixed until deleted by the pilot.
Subsequent changes to the flight plan do not update the ATK's position.
ATKs appear in flight plan route depictions on the Active Flight Plan and
Map pages.
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
4-7
Foreword
Getting
Started
Audio &
Xpdr Ctrl
ATK Identifier
And Distance From
Reference Waypoint
Com/Nav
Reference Waypoint
FPL
Figure 4-15 ATK Inserted Before Reference Waypoint
Direct-To
Inserting the ATK before the selected waypoint results in a negative offset
value. Inserting it after the selected waypoint results in a positive value. The
flight plan allows multiple entries.
Proc
Selecting Before
Automatically
Assigns A
Negative Value
Wpt Info
Map
Traffic
Figure 4-16 Along Track Offset Keypad
Terrain
Weather
Nearest
Once entered, offset distances are not editable. If the offset requires
adjustment, delete the existing ATK from the flight plan, and then create a new
ATK with the correct offset distance.
Map indications include a dedicated icon and an identifier label.
The identifier label denotes the adjacent waypoint's ID and offset
distance from the specified ATK.
Services/
Music
Utilities
System
Offset Identifier
Label
ATK Icon
Messages
Symbols
Appendix
Figure 4-17 ATK Indications on Map Page
Index
4-8
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
To create an ATK:
1. While viewing the Active Flight Plan page, select a waypoint.
The Waypoint Options menu opens.
2. Touch the Along Track key.
3. Specify an offset distance using the controls on the keypad.
4. Select Before or After to place the ATK before or after the
reference waypoint.
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
5. Touch Enter.
Direct-To
To create an ATK for an altitude constraint:
1. While viewing the Active Flight Plan page, select an altitude
constraint. The VNAV Options menu opens.
2. Touch the Along Track key.
Proc
Wpt Info
3. Specify an offset distance using the controls on the keypad.
Map
4. Select Before or After to place the ATK before or after the
reference waypoint.
Traffic
5. Touch Enter and then Save.
Terrain
Weather
4.2.1.5
Nearest
Remove
The Remove option allows you to remove the selected waypoint from the
active flight plan.
1. On the Active Flight Plan page, touch the desired waypoint in
the flight plan. The Waypoint Options menu opens.
2. Touch Remove and then OK.
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
4-9
4.3
Flight Plan Menu
The Flight Plan menu provides access to functions to manage your flight
plans. The functions included are: View Catalog, Store Flight Plan, Delete Flight
Plan, Preview Flight Plan, Parallel Track, Invert Flight Plan, and Edit Data Fields.
Com/Nav
Touch To Delete The
Active Flight Plan
Touch To View
List Of Stored
Flight Plans
Touch To View A
Map And A List Of
Waypoints For The
Active Flight Plan
Touch To View
VNAV Profile Page
Touch To Add Parallel
Track Course Offsets
Getting
Started
Audio &
Xpdr Ctrl
Touch the Menu key to access Flight Plan menu options.
Touch To Store
The Active
Flight Plan
Foreword
Touch To Edit The
Active Flight Plan
Information Fields
Touch To Invert
The Active
Flight Plan
Touch To
Adjust Altitude
Temperature
Compensation
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Figure 4-43 Flight Plan Menu
Terrain
Weather
Menu
Catalog
Store
Delete
Preview
Route Options
Activate
Invert & Activate
Preview
Edit
VNAV
Copy
Delete
VS Target
Flight Path Angle
VNAV Enabled
Parallel
Track
Invert
Direction
Offset
Activate
Destination
Temperature
Nearest
Edit
Data
Fields
Services/
Music
Column 1
Column 2
Column 3
Restore
Defaults
Utilities
System
Messages
Temperature
Compensation
TEMP at DEST
Symbols
Appendix
Figure 4-44 Flight Plan Menu Functional Diagram
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
4-23
Foreword
Getting
Started
4.3.1
Store Flight Plan
A flight plan must be saved to the Catalog to be used in future flights. The
Store Flight Plan function will save the Active Flight Plan to the Catalog.
NOTE: If a flight plan that includes a procedure that has been modified
by the pilot is saved into the flight plan catalog, the GTN cannot check the
accuracy of that procedure when that flight plan is used on a later flight. It
is recommended that flight plans with modified procedures not be saved
in the flight plan catalog.
Audio &
Xpdr Ctrl
Com/Nav
FPL
1. While viewing the Active Flight Plan page, touch the Menu
key. The Flight Plan menu opens.
Direct-To
2. Touch the Store key to store the current Active Flight Plan into
the Catalog. The flight plan will be named by the beginning
and ending waypoints.
Proc
Wpt Info
3. When a duplicate flight plan is created, the Store key will not
be available and the flight plan will be saved with a numeral
at the end of the destination waypoint.
Map
Traffic
Terrain
Original Flight Plan
Weather
Duplicate Flight Plan
Nearest
Services/
Music
Utilities
Figure 4-45 Duplicate Flight Plan Naming
4.3.2
System
Messages
Symbols
Appendix
Index
Invert Flight Plan
NOTE: Inverting a flight plan removes all ATKs.
This option allows you to reverse the active flight plan and use it for navigation
guidance back to your original departure point. The original flight plan stored in
the catalog is not affected.
1. While viewing the Active Flight Plan page, touch the Menu
key. The Flight Plan menu opens.
2. Touch Invert.
4-24
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
4.3.3
En Route Vertical Navigation
Foreword
NOTE: This feature is available in software v6.50 and later.
The vertical navigation (VNAV) feature provides vertical profile
guidance during the descent phase of flight. Guidance is based on altitude
constraints associated with lateral waypoints in the active flight plan.
Functions:
• Presents vertical path guidance to the descending path as either a line
joining two waypoints with specified altitudes or a linear deviation from the
desired path (i.e., the vertical angle from the specified waypoint or altitude)
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
• Integrate vertical waypoints into the active flight plan
Proc
• Support both manual and autopilot coupling
4.3.3.1
Wpt Info
VNAV Requirements
• Enablement by the installer
Map
• A baro-corrected altitude source
Traffic
If en route vertical navigation is not enabled, the GTN provides a single
waypoint vertical calculator. For more information, refer to section 14.1.
Terrain
For installation details related to en route vertical navigation, consult the
AFMS.
Weather
4.3.3.2
Nearest
VNAV Limitations
The GTN allows you to create a vertical navigation path with multiple altitude
constraints in the flight plan. These altitudes are removed when the flight plan
is stored in the flight plan catalog.
Most flight plan waypoints may be assigned an altitude constraint for use in
vertical navigation. Exceptions include:
• Flight plan legs containing headings
• Flight plan legs that terminate at an altitude (e.g., a climb to 1,800 ft before
making a turn and proceeding direct to fix)
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
4-25
Foreword
Getting
Started
Audio &
Xpdr Ctrl
4.3.3.3
VNAV Profile Page
Active vertical navigation profile information displays on the VNAV Profile
page. This page is accessible from both the Flight Plan menu and the Utilities
page.
Com/Nav
FPL
Touch to
Select Flight
Path Angle
Touch to
Toggle VNAV
On or Off
Direct-To
Proc
Touch to Select
Target Vertical Speed
Wpt Info
Map
Figure 4-46 VNAV Profile Page
To enable VNAV guidance:
1. While viewing the Active Flight Plan page, touch Menu.
Traffic
2. Select VNAV. The VNAV Profile page opens.
Terrain
Weather
3. Touch VNAV Enabled.
Nearest
Services/
Music
Utilities
System
Messages
To disable VNAV guidance, touch VNAV Enabled again.
Disabling vertical navigation:
• Invalidates required vertical speed, time to Top of Descent (TOD)/Bottom of
Descent (BOD), and vertical deviation data
• Removes vertical deviation and required vertical speed indications from the
PFD
VS Required,Time to TOD/BOD,
and Vertical Deviation fields
display dashes when VNAV is off
Symbols
Appendix
VNAV automatically re-enables when the pilot initiates a Direct-To.
Index
4-26
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
4.3.3.4
Altitude Constraints
Foreword
NOTE: Altitude constraints loaded from the database are jet altitudes.
Some adjustment may be necessary for other types of aircraft. For the
adjustment procedure, refer to the published chart.
Depending on the specific instance, altitude constraints are either manually
entered into the Active Flight Plan page, or automatically retrieved from the
published altitudes in the navigation database.
Constraint values display in MSL or flight level (FL). Constraints at airports
may be specified as MSL or AGL.
White Text Only
(No Constraint)
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Cyan Text with Restriction
Bars and Pencil Icon
(Modified Constraint)
Wpt Info
Cyan Text with Snowflake Icon
(Constraint with Temperature
Compensated)
Figure 4-47 Waypoint Altitude Constraints
The system automatically uses altitudes loaded with arrival and approach
procedures (up to and including the FAF) for computing vertical deviation
guidance. These values, accompanied by an altitude restriction bar(s), display
in cyan. The position of the value (above or below the bar, or between two
bars) denotes the required aircraft altitude relative to that constraint. Dual values
annunciate when the aircraft needs to cross between two altitudes.
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
Cross At or Above
5,000 ft
Cross At or Below
5,000 ft
System
Messages
Symbols
Cross At 5,000 ft
Cross Between
5,000 ft and 6,000 ft
Appendix
Figure 4-48 Altitude Constraint Examples
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
Index
4-27
Foreword
Indication
Color
Getting
Started
• Estimate of aircraft altitude as it passes over the
navigation point
Audio &
Xpdr Ctrl
• Absence of bar(s) indicates it is not a potential
constraint
White
• Altitude retrieved from navigation database
Com/Nav
FPL
• Bar above and/or below the value indicates
constraint type
Direct-To
• Altitude is for reference only. Not for use in
determining vertical guidance
• Altitude designated for use in determining vertical
guidance
Proc
Wpt Info
Map
Cyan
Traffic
Terrain
• Pencil icon indicates manual designation or manual
data entry
• Constraint invalid
• System cannot use altitude to determine vertical
guidance
Weather
Nearest
Description
• Altitude calculated by system
Table 4-1 Altitude Constraint Color Conventions
An altitude constraint is invalid if:
Services/
Music
• Meeting the constraint requires the aircraft to climb
Utilities
• Meeting the constraint requires the aircraft to exceed the maximum flight
path angle (6° downward) or maximum vertical speed (-4,000 fpm)
System
• It results in a TOD behind the aircraft's current position
Messages
• It is within a leg type that does not support altitude constraints
• It is added to a waypoint past the FAF
Symbols
Appendix
Index
4-28
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
The altitude restriction from the database displays when the following three
conditions are present.
Foreword
1. A pilot-specified altitude constraint is deleted
Getting
Started
2. Navigation database contains an altitude restriction for the lateral
waypoint
Audio &
Xpdr Ctrl
3. A predicted altitude is not available
Com/Nav
Once added to the flight plan, an altitude constraint may be modified or
deleted using the controls in the VNAV Options menu. Select a value in the ALT
column to display available options.
Selection
Type
Altitude
Data Entry
Revert
Constraint
Remove
Constraint
Function
• Opens a list of available constraint types
FPL
Direct-To
Proc
• Options: At, At or Above, At or Below, and Between
• Opens a keypad. Specify an altitude value for the selected
constraint type
Wpt Info
Map
• Unit options: MSL, AGL, and Flight Level
• Returns a modified altitude constraint to its original published
value
• Removes the VNAV designation from the altitude
• Value remains displayed for reference purposes. It is no longer
used to compute vertical guidance
• Removing the VNAV designation from an altitude may
invalidate other displayed altitudes or cause them to change
after recalculation
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
Table 4-2 Altitude Constraint Options
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
4-29
Foreword
To designate a waypoint altitude for use with vertical guidance:
1. Select a waypoint altitude constraint.
2. Touch Save.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
The altitude color changes to cyan, indicating it is usable for vertical guidance.
To enter or modify an altitude constraint:
1. Select an altitude constraint.
2. Touch Type and select the constraint type.
Direct-To
3. Select the altitude data key. Enter an altitude constraint value
using the keypad. Touching Flight Level enters the value as
a flight level.
Proc
Wpt Info
Map
4. Touch Enter to accept the altitude.
Traffic
5. Touch Save.
Terrain
Weather
To delete an altitude constraint:
1. Select an altitude constraint.
2. Touch Remove Constraint.
Nearest
3. Confirm the request by selecting OK.
Services/
Music
Utilities
To return a modified altitude constraint to its original database value:
1. Select an altitude constraint containing the pencil icon.
2. Touch Revert Constraint.
System
3. Confirm the request by selecting OK.
Messages
Symbols
Appendix
Index
4-30
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
4.3.3.5
VNAV Direct-To
The VNAV Direct-To function creates a vertical navigation path from the
aircraft's current position and altitude to a selected waypoint's location and
altitude. By removing any VNAV constraints between the aircraft and the selected
waypoint, it allows the pilot to fly the lateral flight plan in a continuous descent
and reach the waypoint at the specified altitude.
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
To initiate a VNAV Direct-To:
1. Select an altitude constraint.
FPL
2. Touch VNAV Direct-To.
Direct-To
3. Confirm the request by selecting OK.
4.3.3.6
Transition to Approach
Proc
Function availability dependent on installer configuration. For more
information, refer to the AFMS.
Approach Type
Transition to Approach
Enabled
Transition to Approach
Not Enabled
VNAV Response
• Vertical path attempts a smooth transition from
en route to approach vertical guidance
Wpt Info
Map
Traffic
• Aircraft intercepts with approach guidance from
below the glidepath/glideslope
• En route VNAV terminates at the waypoint prior
to the FAF on approaches with vertical guidance
Terrain
Weather
Nearest
• En route VNAV terminates at the FAF (LNAV only)
Table 4-3 VNAV Approach Response
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
4-31
Foreword
4.3.4
NOTE: GTNs and TXi displays use only one destination airport temperature
for calculating compensated altitudes. Changing the temperature on one
of these units automatically recalculates the value across all connected
GTNs and GDUs.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Temperature Compensated Altitude
A temperature compensation function calculates loaded approach altitudes
based on the pilot-specified destination temperature. Once the pilot enters a
destination temperature, the system increases the approach altitudes accordingly.
4.3.4.1
Temperature Compensation Requirements
• A destination airport is present in the active flight plan
Proc
Wpt Info
Map
• GDU 700( )/1060 for access via PFD Minimums menu
4.3.4.2
Setting Temperature Compensated Altitude
Temperature compensation controls are accessible from two locations:
• Destination Temperature Compensation window
Traffic
• Minimums menu (PFD only)
Terrain
Weather
Touch to
Enable/Disable
Temperature
Compensation
Nearest
Services/
Music
Utilities
System
Touch to Enter
Destination
Temperature
Figure 4-49 Destination Temperature Compensation Window
To activate temperature compensated altitude:
1. While viewing the Active Flight Plan page, touch Menu.
Messages
2. Touch TEMP COMP. The Destination Temperature
Compensation pop-up opens.
3. Touch Temperature Compensation.
Symbols
4. Touch TEMP at DEST and specify the destination airport
temperature.
Appendix
Index
Snowflake
Icon Indicates
Temperature
Compensated
FAF Altitude.
Uncompensated
FAF Altitude
The temperature compensated FAF altitude displays in magenta.
4-32
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
4.3.5
Parallel Track
Foreword
NOTE: En route vertical navigation is unavailable while the parallel track
function is active.
Parallel track allows you to create a parallel course offset of 1 to 99 NM to
the left or right of your current flight plan. After setting a parallel track to your
current flight plan, a magenta parallel track line will be drawn offset from the
original by the selected distance. The original course line will be drawn in gray.
The aircraft will navigate to the parallel track course line and external CDI/HSI
guidance will be driven from the parallel track.
When you reach the end of the flight plan, a message will state, “Parallel
offset terminating in X seconds.” The message will be given when the aircraft
reaches the offset distance from the end of the parallel track. This will give the
pilot sufficient time to intercept the original course.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Figure 4-50 Parallel Track Description
Symbols
NOTE: In software v6.21 and earlier, graphically editing a flight plan cancels
the parallel track function.
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
4-33
4.3.6
Edit Data Fields
Foreword
The Active Flight Plan Page shows each waypoint for the flight plan, along
with the Desired Track (DTK), Distance (DIS) for each leg, and Cumulative
Distance (CUM). Data fields are user-selectable and may be changed to display:
ALT - Altitude
ESA - En Route Safe Altitude
CUM - Cumulative Distance
ETA - Estimated Time of Arrival
DIS - Distance
ETE - Estimated Time En route
DTK - Desired Track
FPA - Flight Path Angle
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
When configured for VNAV, the GTN automatically selects the altitude data
field for the first column.
DIS Between Legs
Proc
Wpt Info
DTK Between Legs
Origin and Destination Waypoints
Map
Current Flight Plan Leg
Traffic
Terrain
Figure 4-53 Flight Plan Data Fields
Weather
1. While viewing the Flight Plan page, touch the Menu key, and
then the Edit Data Fields key.
Nearest
Services/
Music
Touch To Select
Field Types
Utilities
Current Field
Types
System
Touch To
Restore Original
Default Types
Messages
Symbols
Figure 4-54 Flight Plan Edit Data Fields Page
Appendix
2. Touch one of the field keys to select from the list.
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
4-35
Foreword
Flight Plan
Route Options
Selected
Flight Plan
Getting
Started
Audio &
Xpdr Ctrl
Figure 4-57 Flight Plan Catalog Route Options
Com/Nav
3. Touch the Route Option key for the desired option to act on
the selected flight plan.
4.3.7.1
Catalog Route Option - Activate
1. While viewing the Flight Plan Catalog page, touch the desired
flight plan to select it. The Route Options menu will be
displayed.
2. Touch the Activate key and then touch OK. The selected flight
plan will be activated.
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Figure 4-58 Touch OK to Replace the Existing Active Flight Plan
Nearest
3. The Active Flight Plan page will now be displayed.
4.3.7.2
Services/
Music
Catalog Route Option - Invert & Activate
Utilities
NOTE: Inverting a flight plan removes all ATKs.
1. While viewing the Flight Plan Catalog page, touch the desired
flight plan to select it. The Route Options menu will be
displayed.
2. Touch the Invert & Activate key and then touch OK. The
selected flight plan will be inverted and activated.
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
4-37
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
5.5
Direct-To Map Waypoint
A Direct-To course may be set to any waypoint selected on the Map page. The
waypoint is selected by touching an item such as an airport, VOR, or NDB or
any other location. Touching the map page at any place not having an existing
location name will create a waypoint with the name “MAPWPT.” Touching the
Direct-To key will automatically insert the selected waypoint as the Direct-To
waypoint.
1. On the Map page, touch the map at the location intended to
be the Direct-To waypoint.
FPL
Direct-To
2. Press the Direct-To key on the right side of the unit.
Proc
Waypoint Tab
Direct-To Waypoint Name
Touch To
Remove The
Direct-To
Course
Wpt Info
Map
Touch To
Activate The
Direct-To
Course
Traffic
Terrain
Figure 5-9 Touch the Map to Create a MAPWPT as the Direct-To Course Destination
3. Touch the Activate key or press the small right knob to
activate the selection.
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
5-6
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
6
PROCEDURES
Foreword
The GTN 6XX allows you to fly non-precision and precision approaches to
airports with published instrument approach procedures. The system can also
provide visual approach guidance to most airports.
The Procedures Page is displayed by touching the PROC key on the Home
page. The Procedures Page provides access to approaches, departures and
arrivals. Selections are also shown to: Activate Approach, Vectors to Final, and
Activate Missed Approach.
NOTE: Baro-corrected altitude is not required by the GTN unit to
meet the requirements of TSO-C146c; however, to take full advantage
of the GTN unit's capabilities, an optional baro-corrected altitude
source is recommended for (1) automatic sequencing of altitude leg
types, and (2) en route vertical navigation. If the GTN does not receive
baro-corrected altitude data, altitude leg types require manual sequencing,
and en route vertical navigation is not available.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
6-1
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
6.2
Selecting a Departure
A Departure Procedure (DP) is loaded at the departure airport in the flight
plan. Only one departure can be loaded at a time in a flight plan. If a departure
is loaded when another departure is already in the active flight plan, the new
departure replaces the previous departure. The route is defined by selection of a
departure, the transition waypoint, and a runway.
NOTE: Vector-only departures are not available in the Procedures database
as the GTN 6XX cannot provide navigational guidance on vectored legs.
FPL
1. Touch the PROC key on the Home page and then touch the
Departure key to display the Departure list.
Direct-To
Proc
Touch To Show
Departure List
Wpt Info
Map
Traffic
Figure 6-2 Select Departure
2. If necessary, touch the Airport key and enter the departure
airport. Touch the key for the desired Departure.
Terrain
Weather
NOTE: Advisory climb altitudes for SIDs may not match charted altitudes.
Do not rely solely on GTN advisory altitudes.
Nearest
Services/
Music
3. Touch the key for the desired Transition.
Touch To Select
Desired Departure
Transition
Utilities
System
Messages
Figure 6-3 Selecting a Departure Transition
Symbols
Appendix
Index
6-4
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
5. Touch the key for the desired Runway, if necessary. The
completed Arrival page will be displayed.
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
Touch To Select
Airport
Touch To Display
Arrival List For The
Selected Airport
Touch To Select
Transition
Touch To Display
Runway List For The
Selected Arrival
FPL
Touch To Preview Arrival
Wpt List And Map
Direct-To
Touch To Load Arrival Into
The Active Flight Plan
Figure 6-12 Completed Arrival Page
Proc
NOTE: If the selected runway is depicted as RW10B, for instance, this
means both runways 10L and 10R.
Wpt Info
6. Touch the Preview key. A preview of the Arrival and the
Sequence List will be displayed.
Map
Traffic
Terrain
Sequence List
For The Selected
Arrival
Arrival
Diagram
Touch To Load
Arrival
Weather
Figure 6-13 Arrival Map Preview and Sequence List
Nearest
7. Touch the Load Arrival key to insert the arrival into the flight
plan. The Active Flight Plan page will be displayed.
Services/
Music
Utilities
System
Messages
Touch To Select
Or Remove
Arrival
Scroll To View
Flight Plan
With Departure
Waypoints
Touch To Edit
Waypoint
Figure 6-14 Flight Plan With Arrival Loaded
Symbols
NOTE: If using Descent VNAV, verify that the altitudes for the selected
procedure match the charted altitudes and are appropriate for the airframe
type.
Appendix
Index
6-8
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
6.4
Selecting an Approach
Foreword
Only one approach can be loaded at a time in a flight plan. If an approach
is loaded when another approach is already in the active flight plan, the new
approach replaces the previous approach. The route is defined by selection of an
approach, the transition waypoint, and a runway.
NOTE: In software v6.21 and later, the pilot may load an alternate
approach during a missed approach procedure. The GTN retains all
missed approaches in the flight plan.
1. Touch the PROC key on the Home page. The Approach, Arrival,
and Departure fields will be dashed until a selection is made.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Touch To Select Departure
Map
Touch To Select Arrival
Traffic
Touch To Select Approach
Terrain
Figure 6-15 Procedures Selection Window
2. Touch the Approach key on the Procedures page to select
an approach for the destination airport. Confirm that the
intended airport is shown or touch the Airport key and select
the desired airport.
NOTE: If using Descent VNAV, verify that the altitudes for the selected
procedure match the charted or ATC cleared altitudes and are appropriate
for the airframe type.
Touch To Select Airport
Weather
Nearest
Services/
Music
Utilities
System
Touch To Select Approach
Messages
Touch To Select Channel ID
Symbols
Appendix
Figure 6-16 Selecting an Approach
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
Index
6-9
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
v5.13 and Earlier or v6.50 and Later
v6.00 Through v6.41
If you build your flight plan with the
destination airport at the end and then
load an approach procedure, you will
navigate all the way to the destination
airport before joining the procedure.
Be sure when LOADING and not
ACTIVATING an approach procedure
that the route to be flown is correct.
If you build your flight plan with the
destination airport at the end and
then load an approach procedure, the
destination airport will be removed from
the end of the flight plan. If the leg to
the destination airport is the active leg
when loading an approach procedure,
you will navigate all the way to the
destination airport before joining the
procedure. Be sure when LOADING and
not ACTIVATING an approach procedure
that the route to be flown is correct.
Direct-To
Proc
Table 6-2 Loading and Activating an Approach
Wpt Info
9. Touch the Load APPR & Activate key, which makes the active
leg Direct-To the selected transition waypoint, or for Vector
approaches to activate a leg that is an extended final approach
course. You can also "activate" the selected procedure on the
Procedures page, if the approach is not activated on this page.
Map
Traffic
Terrain
NOTE: When re-activating an approach, the decision as to whether a hold
is inserted at the IAF or not is assumed to be the same as the first time
the approach was activated, regardless of current aircraft position. If the
pilot wishes to have the hold inserted or removed from the procedure, the
procedure must be re-loaded or activated from the PROC-Approach page.
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
6-12
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
7.7
User Waypoints
Foreword
NOTE: User airport feature is available in software v6.50 and later.
In addition to the airport, VOR, NDB and intersection information contained
in the navigation database, the GTN 6XX allows you to store up to 1,000
user-defined waypoints. The User Waypoint Page displays the waypoint name
(up to six characters long), location, and elevation (user airports only).
To minimize nuisance terrain alerting when landing at airports not in the
navigation database, user waypoints may be configured as user airports. User
airports display on both the Waypoint Info and Nearest Airport pages.
Delete Wpt
Distance & Bearing
To Wpt From
Current Position
Identifier, Symbol,
& References
Edit Wpt
Touch To View
Area Map
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Distance & Bearing
To Wpt From
Reference Wpt
Map
View All Wpts
Traffic
Wpts Used
Terrain
Figure 7-21 Waypoint Info for a User Waypoint
7.7.1
Weather
Select User Waypoint by Name
1. While viewing the User Waypoint page, touch the User
Waypoint Name.
2. Use the keypad to select the characters for the name and then
touch Enter.
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
7-15
Foreword
Getting
Started
Audio &
Xpdr Ctrl
7.8
Create Waypoint
User waypoints are created from the Create User Waypoint page. To create a
new user waypoint, simply enter its name (identifier) and position, or reference
another waypoint by radial and distance.
Touch To Set
As User Airport
Com/Nav
FPL
Waypoint Name
Waypoint
Comment
Direct-To
Proc
Touch To View
Area Map
Temporary
Waypoint
Touch To Set User
Airport Elevation
Touch To Setup
Ref Wpt
Figure 7-24 Waypoint Info - Create User Waypoint
Wpt Info
1. From the Waypoint Info page, touch the Create Wpt key.
Map
2. Touch the User Identifier key.
Traffic
Terrain
Weather
Nearest
3. Use the keypad to type the waypoint name (up to six characters)
and then touch Enter.
User Waypoint
Name
Backspace
Key Clears
Wpt Name
Alphanumeric
Keypad For
Selected Range
Touch Enter
After Creating
Name
Services/
Music
Selected
Character Range
Utilities
Figure 7-25 Waypoint Info - Create User Waypoint Name
System
Messages
4. If desired, touch the Airport key to make the waypoint a user
airport.
Symbols
5. Touch the Comment key to add a short comment for the new
waypoint.
6. Touch the Position key and then Lat/Lon, Radial/Radial,
or Radial/Distance to assign the type. See the following
instructions for more detail.
Appendix
Index
7-18
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
Touch to Select the
Desired Waypoint
Reference Type
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Figure 7-26 Waypoint Info - Create User Waypoint Type
7. If desired, touch the Temporary? key to create the waypoint
for only temporary use. Temporary waypoints will be removed
when the power is cycled.
8. For user airports, touch the Elevation key and specify airport
elevation.
9. When finished with all selections, touch the Create key to
create the new waypoint.
7.8.1
Mark On Target
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
NOTE: This feature is available in software v4.00 and later.
If an external Mark On Target (MOT) switch is installed, pressing that switch
will result in the creation of a User waypoint called MOTxxx at the point in space
where the MOT switch was pushed. The waypoints are created in increasing
numeric order up to number 999, at which point they will start replacing
existing waypoints at the beginning of the list.
When a Mark on Target waypoint is created, it may not be immediately
visible on the moving map page because the ownship icon will be directly on
top of the waypoint. Creation of the waypoint can be verified by changing zoom
scales on the map or viewing the User Waypoints page.
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
7-19
Foreword
7.8.2
Getting
Started
Waypoint Location Based on LAT/LON
1. From the Create User Waypoint page, touch the Position
key and then the LAT/LON key. Next, touch the
Latitude/Longitude value key.
Touch to Select
Lat/Lon Waypoint
Reference Type
Audio &
Xpdr Ctrl
Com/Nav
Touch to Select
Lat/Lon Values
FPL
Figure 7-27 Waypoint Info - Create User Waypoint Type - LAT/LON
Direct-To
2. The Lat/Lon coordinate values will be highlighted. Touch the
Lat or Lon key to toggle selection of the hemisphere values
and highlight the selected value. The Large knob may also be
used for cursor movement and characters selected with the
Small knob. Use the Large knob to backspace or move the
cursor to the left.
Proc
Wpt Info
Map
Touch to Select
Hemisphere Value
Traffic
Touching The Lat Key Activates The Latitude
Hemisphere Value for The Selection
Touch to Toggle
Lat/Lon Selection
Touch to Select
LAT/LON Format
Terrain
Touch to Select
Numeric Values
Weather
Nearest
Figure 7-28 Waypoint Info - Set Lat/Lon Coordinates
3. Touch the desired hemisphere keys to select the desired values.
After selecting the hemisphere value, the cursor will advance to
the first character of the adjacent numeric value for selection.
Even when the hemisphere values are highlighted, touching
a valid numeric key will always place the cursor at the first
numeric value.
Services/
Music
Utilities
System
4. When finished with the Lat/Long selections, touch the Enter
key.
Messages
Symbols
5. When finished with all selections, touch the Create key to
create the new waypoint.
Appendix
Index
7-20
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
7.9
Import User Waypoints (Datacard)
Foreword
NOTE: This feature is available in software v5.10 and later.
The GTN can import user generated waypoints from a file on the datacard.
The created waypoints will be at the latitude and longitude specified in the file
with the specified name and comment. This function overwrites any existing
user waypoints with the same name.
When a user waypoint file is on the datacard, a key will be available on the
Waypoint Info page for importing user waypoints.
1. Insert a datacard with the User waypoints into the GTN.
2. From the Waypoint Info page, touch the Import Waypoints
key.
3. Touch OK to acknowledge the pop-up to import all of the user
waypoints in the file.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Figure 7-31 Start User Waypoint Import
4. The pilot is informed of the status of the user waypoint import
via one of the following system messages.
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
7-23
Orientation
North Up Above
Visual APPR Sel
Auto Zoom
Auto Zoom Min
Auto Zoom Max
Track Vector Length
Altitude Constraints
Nav Range Ring
Fuel Range Ring
Fuel Reserve Time
Topo Scale
Point Obstacle Rng
Wire Obstacle Rng
Chart Color
Restore Defaults
Airport Range
SafeTaxi Diagrams
Runway Extensions
Intersection Range
NDB Range
VOR Range
VRP Range
User Waypoint Range
Airway Range
TFRs
Restore Defaults
Road Detail
City Detail
State/Province Names
River/Lake Detail
Restore Defaults
Smart Airspace
Show Airspaces
Class B/TMA Range
Class C/TCA Range
Class D Range
Restricted Range
MOA (Military) Range
Other/ADIZ Range
Restore Defaults
Range
Type
Restore Defaults
Weather Source
Cell Movement
METAR
Cloud Tops
Echo Tops
Lightning
Restore Defaults
8.1.2
Map Setup
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Figure 8-10 Map Setup Functional Diagram
Index
8-9
8.1.2.1
Map
The Map option defines the behavior and display of information on the Map
page such as: Orientation, North Up Above, Auto Zoom, Nav Range Ring, Topo
Scale, Obstacle Range, and Restore Defaults. The default values are shown in
bold type.
Feature
Orientation
North Up Above
Visual APPR Selector
Auto Zoom
Auto Zoom Min
Auto Zoom Max
Track Vector Length
Altitude Constraints
Nav Range Ring
Fuel Range Ring
Fuel Reserve Time
Topo Scale
Point Obstacle Range
Wire Obstacle Range
Restore Defaults
Selection
North Up, Track Up, Heading Up
Off, 10 NM, 15 NM, 25 NM, 40 NM, 50 NM, 75 NM,
100 NM, 150 NM, 250 NM
Off, 2.5 NM, 4 NM, 5 NM, 7.5 NM,10 NM,
15 NM,25 NM
Off, On
250 ft, 400 ft, 500 ft, 750 ft, 1000 ft, 1500 ft, 2500 ft,
0.5 NM, 0.75 NM, 1 NM, 1.5 NM, 2.5 NM, 4 NM, 5
NM, 7.5 NM, 10 NM, 15 NM, 25 NM, 40 NM, 50 NM,
75 NM, 100 NM, 150 NM, 250 NM, 400 NM
250 ft, 400 ft, 500 ft, 750 ft, 1000 ft, 1500 ft, 2500 ft,
0.5 NM, 0.75 NM, 1 NM, 1.5 NM, 2.5 NM, 4 NM, 5 NM,
7.5 NM, 10 NM, 15 NM, 25 NM, 40 NM, 50 NM,
75 NM, 100 NM, 150 NM, 250 NM, 400 NM
OFF, 30 SEC, 60 SEC, 2 MIN, 5 MIN, 10 MIN, 20 MIN
Off, Selected Only, Selected & Active, All
Off, On
Off, On
30 MIN, 45 MIN, 60 MIN, 90 MIN
Off, On
Off, 4 NM, 5 NM, 7.5 NM, 10 NM, 15 NM
Off, 1 NM, 1.5 NM, 2.5 NM
Returns values to original factory settings
Table 8-2 Map Setup Map Options
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
8-11
Altitude Constraints
Foreword
NOTE: This feature is available in software v6.50 and later.
Enabling this feature displays altitude constraints from the flight plan. The
active constraint is the altitude to which VNAV is currently providing guidance.
For more information about altitude constraints, refer to section 4.3.3.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
Active
Altitude
Constraint
FPL
To view a
constraint
value, select
the associated
waypoint
Direct-To
Proc
Wpt Info
Figure 8-18 Altitude Constraints
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
8-15
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
8.6
Map Symbols
Various symbols are used to distinguish between waypoint types. The identifiers
for any on-screen waypoints can also be displayed. Special-use and controlled
airspace boundaries appear on the map, showing the individual sectors in the case
of Class B, Class C, or Class D airspace. The following symbols are used to depict
the various airports and navaids on the Map Page.
Symbol
FPL
Direct-To
Proc
Wpt Info
Description
Airport with hard surface
runway(s); Non-Serviced,
Primary runway shown
Airport with soft surface
runway(s) only, Non-Serviced
Restricted (Private) Airfield
Symbol
Description
Airport with hard surface
runway(s); Serviced, Primary
runway shown
Airport with soft surface
runway(s) only, Serviced
Unknown Airport
Heliport
NDB
Intersection
Locator Outer Marker
VOR
VOR/DME
VORTAC
DME
TACAN
TOD/BOD
Nearest
User Waypoint
User Airport
Services/
Music
ATK
VRP
Map
Traffic
Terrain
Weather
Table 8-19 Map Symbols
Utilities
System
Messages
Symbols
Appendix
Index
8-42
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
9.5.1
Traffic Applications - SURF, AIRB, etc.
Foreword
The GTN ADS-B traffic display is capable of running in two “modes:”
Airborne Situational Awareness (AIRB) and Surface Situation Awareness (SURF).
AIRB is in operation in the en route environment, outside of five NM from
and 1,500 feet above the nearest airport.
SURF is in operation within the terminal environment (within five NM and
less than 1,500 feet above field elevation). When SURF is running, and the
zoom scale on the traffic display is less than two NM, the airport environment
(including taxiways and runways) is displayed in addition to traffic. This is to
aid in situational awareness of runway occupancy/availability, etc.
Due to the varying precision of the data received via ADS-B, ADS-R, and
TIS-B, all traffic targets may not be depicted on the traffic display. Because higher
data precision is required for display in the SURF environment, some targets
eligible for AIRB will not be displayed while SURF is active. Individual eligibility
for AIRB and SURF is depicted in the selected traffic data on the traffic page.
9.5.2
ADS-B Traffic Menu
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
The Traffic Menu allows control of the traffic information display.
Terrain
Select TCAS Status:
Operate and Standby
Toggle ADS-B
Traffic Display
Select Motion Vector:
Absolute, Relative,
Off
Weather
Touch To Perform
Traffic Test
Select Altitude Filter:
Normal, Above,
Below, Unrestricted
Select Vector Duration:
30 sec, 1 min, 2 min, 5 min
Figure 9-11 ADS-B Traffic Menu
9.5.2.1
Nearest
Services/
Music
Utilities
System
ADS-B Display
Touching ADS-B Display toggles the display of ADS-B traffic and
ADS-B traffic alerting.
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
9-19
10
TERRAIN
10.1
Foreword
Terrain Configurations
Getting
Started
NOTE: Obstacles are removed from the Terrain and TAWS pages at ranges
greater than 10 NM.
Audio &
Xpdr Ctrl
During power-up of the GTN 6XX, the terrain/obstacle database versions are
displayed along with a disclaimer. At the same time, the Terrain system self-test
begins. A failure message is issued if the terrain test fails.
Com/Nav
Garmin provides the following terrain awareness solutions within the GTN
6XX environment.
Alerting functions are designed to increase situational awareness
and help reduce controlled flight into terrain (CFIT).
Terrain Type
(H)Terrain
Proximity
(H)Terrain
Alerting
HTAWS
TAWS-A
TAWS-B
Features
• Standard terrain function displaying relative elevations on
moving map
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
• Does not provide aural or visual alerts
• Basic terrain alerting function
Terrain
• Provides aural and visual alerts
Weather
• Does not meet TSO-C151c or TSO-C194 requirements for
certification
• Optional terrain alerting function for rotorcraft
Nearest
Services/
Music
• Satisfies TSO-C194 requirements for certification
• Optional TSO-C151c Class A terrain alerting system
Utilities
• Provides aural and visual alerts when terrain and obstacles are
within a given altitude threshold from the aircraft
• Optional TSO-C151c Class B terrain alerting system
System
Messages
• Provides aural and visual alerts
Symbols
Table 10-1 Terrain Configurations
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
10-1
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
10.2
GPS Altitude for Terrain
GPS altitude is derived from satellite measurements. To require an accurate
3-D fix (latitude, longitude, altitude), a minimum of four operating satellites
must be in view of the GPS receiver antenna.
The terrain system uses GPS altitude and position data to:
• Create a 2-D image of surrounding terrain and obstacles relative to the
aircraft's position and altitude
• Calculate the aircraft's flight path in relation to surrounding terrain and
obstacles
• Predict hazardous terrain conditions and issue alerts
Proc
Wpt Info
Map
Traffic
Terrain
Weather
10.2.1
GSL Altitude & Indicated Altitude
The GTN converts GPS altitude data to GSL altitude (i.e., the geometric
altitude relative to MSL) for use in terrain functions. All Terrain page depictions
and elevation indications are in GSL.
Variations between GSL altitude and the aircraft's corrected barometric
altitude (or indicated altitude) are common. As a result, Terrain page altitude
data may differ from current altimeter readings. Both GSL altitude and indicated
altitude represent height above MSL, but differ in accuracy and reliability.
Altitude Type
Nearest
Features
• Highly accurate and reliable geometric altitude source
Services/
Music
• Does not require local altimeter settings to determine height
above MSL
GSL
• Not subject to pressure and temperature variations
Utilities
System
• Affected primarily by satellite geometry
• Barometric altitude source corrected for pressure variations
Messages
• Requires frequent altimeter setting adjustment to determine
height above MSL
Indicated
Symbols
• Subject to local atmospheric conditions
• Affected by variations in pressure, temperature, and lapse rate
Appendix
Table 10-2 GSL and Indicated Altitude Features
Index
10-2
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
Foreword
10.5
Terrain Alerting
Audio &
Xpdr Ctrl
Terrain alerting functions increase situational awareness and help reduce
controlled flight into terrain (CFIT). Visual and aural annunciations alert the
pilot when terrain and obstacles are within the given altitude threshold from
the aircraft.
Com/Nav
10.5.1
Getting
Started
FPL
Terrain Alerting Requirements
• A valid terrain/obstacle database
• A valid 3-D GPS position solution
Direct-To
10.5.2
Proc
NOTE: The data contained in the databases comes from government
agencies. Garmin accurately processes and cross-validates the data but
cannot guarantee its accuracy or completeness.
Wpt Info
Map
Traffic
Terrain
Terrain Alerting Limitations
Terrain alerting uses terrain and obstacle information supplied by government
sources. Terrain information is based on terrain elevation information in a
database that may contain inaccuracies. Individual obstructions may be shown if
available in the database. The data undergoes verification by Garmin to confirm
accuracy of the content.
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
10-10
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
10.5.3
Using Terrain Alerting
During unit power-up, the terrain/obstacle database versions are displayed.
At the same time, the terrain system self-test begins, and one of the following
aural messages is generated:
Foreword
Getting
Started
• “Terrain System Test OK”
Audio &
Xpdr Ctrl
• “Terrain System Failure”
Com/Nav
On the Map page, terrain and obstacles with heights greater than
200 feet Above Ground Level (AGL) display in yellow and red. The
GTN 6XX adjusts colors automatically as the aircraft altitude changes.
FPL
Direct-To
Proc
Wpt Info
Map
View
360
Arc
Traffic
Layers
Flight Plan
Legend
Terrain
Terrain
Alerting
Terrain Alerting Inhibit
Test Terrain Alerting
Weather
Nearest
Figure 10-5 Terrain Alerting Page Functional Diagram
10.5.4
Displaying Terrain Alerting Data
Services/
Music
Terrain uses yellow (caution) and red (warning) to depict terrain and obstacles
alerts relative to aircraft altitude. Colors are adjusted automatically as the aircraft
altitude changes. The colors and symbols shown below are used to represent
terrain, obstacles, and threat locations. Obstacles are removed when more than
2000 ft below the aircraft.
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
10-11
Foreword
Projected Flight Path
100 ft Threshold
Getting
Started
Threat Location
Unlighted Obstacle
Terrain above or
within 100 ft
below the aircraft
altitude (Red)
1000 ft
Audio &
Xpdr Ctrl
Terrain between 100 ft and 1000 ft below the
aircraft altitude (Yellow)
Com/Nav
Terrain more than 1000 ft below the aircraft altitude (Black)
Figure 10-6 Terrain Altitude/Color Correlation for Terrain Proximity
FPL
Unlighted Obstacle
Threat
Location Terrain
< 1000 ft > 1000 ft < 1000 ft > 1000 ft Indicator Color
AGL
AGL
AGL
AGL
Direct-To
Proc
Lighted Obstacle
Wpt Info
Red
Map
Terrain
Weather
Nearest
Obstacle Symbol
Traffic
Terrain/
Obstacle
Location
Terrain/
Obstacle at or
within 100 ft WARNING
below current
(Red)
aircraft
altitude
Yellow
Terrain/
Obstacle
between
100 ft and
1000 ft
below current
aircraft
altitude
White
Terrain/
Obstacle
between
1000 ft and
2000 ft
below current
aircraft
altitude
Services/
Music
Utilities
System
Alert
Level
CAUTION
(Yellow)
Table 10-5 Terrain/Obstacle Colors and Symbology
Messages
Tower
Symbols
Windmill
Windmill in Group
Power Line
Appendix
Index
Table 10-6 Obstacle Icon Types
10-12
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
Grouped obstacles are shown with an asterisk (as shown in the Windmill in
Group example above). The color of the asterisks is tied to the relative altitude
of the highest obstacle in the group, not other obstacles within that group.
Obstacles are grouped when they would otherwise overlap.
10.5.5
Aircraft orientation on this map is always heading up unless there is no valid
heading. If orientation is not heading up, it will be track up. Two views are
available relative to the position of the aircraft: the 360° default display and the
radar-like ARC (120°) display. Map range is adjustable with the In and Out keys
from 1 to 200 NM, as indicated by the map range rings (or arcs).
Terrain Page Layers
1. While viewing the Terrain page, touch the Menu key.
Select Terrain View
Getting
Started
Audio &
Xpdr Ctrl
Terrain Page
Terrain information is displayed on the Map and Terrain pages. The Terrain
page is specialized to show terrain, obstacle, and threat location data in relation
to the aircraft’s current altitude, without clutter from the basemap. Flight plan
information (airports, VORs, and other NAVAIDs) included in the flight plan are
displayed for reference. If an obstacle and the projected flight path of the aircraft
intersect, the display automatically zooms in to the closest threat location on the
Terrain page.
10.5.5.1
Foreword
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Select Displayed Layer
Weather
Nearest
Services/
Music
Utilities
System
Select Terrain Function
Figure 10-7 Terrain Menu
Messages
2. Touch the Flight Plan key to toggle the display of the active
flight plan.
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
10-13
Foreword
Obstacles
Terrain Overlay
Getting
Started
Flight Plan
Audio &
Xpdr Ctrl
Terrain
Legend
Com/Nav
FPL
Direct-To
Icon shows point
obstacle overlay is active
(software v5.12 or later)
Icon shows wire
obstacle overlay is active
(software v5.12 or later)
Alert
Annunciation
Figure 10-8 Flight Plan and Legend Shown On Terrain Page
Proc
3. Touch the Legend key and select a legend for display on the
Terrain page. Options include terrain, obstacle, and off.
Wpt Info
Map
Traffic
Terrain
10.5.5.2
Terrain Page View
Select the 120º Arc or 360º rings overlay for the Terrain page with either the
360º or Arc keys from the Menu.
1. While viewing the Terrain page, touch the Menu key.
2. Touch the 360º or Arc key.
Weather
Nearest
Services/
Music
Utilities
System
Messages
10.5.5.3 Terrain Alerting Selections
An inhibit function allows you to manually inhibit aural terrain alerts. After
cycling power, terrain alerting functions will no longer be inhibited.
1. While viewing the Terrain page, touch the Menu key.
Symbols
2. Touch the Terrain Inhibit key to toggle the inhibiting of terrain
alerts.
Appendix
3. Touch the Test Terrain key to perform an internal test of the
terrain alerting system. This function is not available when the
aircraft is in the air.
Index
10-14
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
10.5.6
Terrain Alerts
Alerts are issued when flight conditions meet parameters that are set within
terrain alerting software algorithms. When an alert is issued, visual annunciations
are displayed and aural alerts are simultaneously issued. Alert types are shown
in the Terrain Alerts Summary with corresponding annunciations and aural
messages.
Foreword
Getting
Started
Audio &
Xpdr Ctrl
When an alert is issued, annunciations appear on the Terrain page. If the
page is not displayed at the time, a pop-up alert appears over the page being
viewed.
Com/Nav
Blinking Message
Direct-To
Touch To Display
Terrain Page
Proc
Touch To Remove
Pop-Up And Remain
On Current Page
Alert Annunciation
FPL
Wpt Info
Figure 10-9 Terrain Alert Pop-Up
Map
To acknowledge the pop-up alert:
Touch the Go to Terrain key (accesses the Terrain page)
Traffic
Terrain
OR
Weather
Touch the Close key to remove the pop-up alert
Nearest
If the pilot takes no action, the pop-up will be removed when the alert is no
longer active.
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
10-15
Foreword
Getting
Started
10.5.6.1 Terrain Alerting Colors and Symbology
Color and symbols are also associated with terrain alerts. The three alert
levels and their associated text coloring as well as any associated symbology are
shown in the following table.
Audio &
Xpdr Ctrl
Alert Level
Annunciator Text
Com/Nav
Warning
White text on red
background
Caution
Black text on yellow
background
FPL
Direct-To
Informational
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Utilities
System
Messages
Symbols
Appendix
Index
Alert Type
FLTA Terrain Warning
(RTC-W, ITI-W)
FLTA Obstacle Warning
(ROC-W, IOI-W)
FLTA Wire Warning
(ILI-W, RLC-W)
FLTA Terrain Caution
(RTC-C, ITI-C)
FLTA Obstacle Caution
(ROC-C, IOI-C)
FLTA Wire Caution
(ILI-C, RLC-C)
Premature Descent
Alert Caution (PDA)
10-16
Example Visual Annunciation
Black text on white
Not Applicable
background
Table 10-7 Terrain Alert Colors and Symbology
Nearest
Services/
Music
Threat Location
Indicator
Alert
Annunciation
Aural Message
“Terrain Ahead, Pull Up; Terrain Ahead,
Pull Up”*
or
“Terrain, Terrain; Pull Up, Pull Up”
“Obstacle Ahead, Pull Up; Obstacle Ahead,
Pull Up”*
or
“Obstacle, Obstacle; Pull Up, Pull Up”
"Wire Ahead Pull Up, Wire Ahead Pull
Up"
“Terrain Ahead; Terrain Ahead”*
or
“Caution, Terrain; Caution, Terrain”
“Obstacle Ahead; Obstacle Ahead”*
or
“Caution, Obstacle; Caution, Obstacle”
"Wire Ahead"
“Too Low, Terrain”
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
Alert Type
Voice Call Out
(VCO-500)
Alert
Annunciation
Aural Message
Foreword
None
“Five-Hundred”
Getting
Started
Audio &
Xpdr Ctrl
* Alerts with multiple messages are configurable at installation and are
installation-dependent. Alerts for the default configuration are indicated with
asterisks.
Table 10-8 Alerts Summary
10.5.6.2
Com/Nav
FPL
Forward Looking Terrain Avoidance
Reduced Required Terrain Clearance (RTC), Reduced Required Line
Clearance (RLC), and Reduced Required Obstacle Clearance (ROC) alerts
are issued when the aircraft flight path is above terrain, yet is projected to come
within the minimum clearance values in the FLTA Alert Minimum Terrain and
Obstacle Clearance Values table. When an RTC, RLC, and/or a ROC alert is
issued, a threat location indicator is displayed on the Terrain page.
Imminent Terrain Impact (ITI), Imminent Line Impact (ILI), and
Imminent Obstacle Impact (IOI) alerts are issued when the aircraft is below
the elevation of a terrain or obstacle cell in the aircraft’s projected path. ITI, ILI,
and IOI alerts are accompanied by a threat location indicator displayed on the
Terrain page. The alert is annunciated when the projected vertical flight path is
calculated to come within minimum clearance altitudes in the following table.
Flight Phase
En Route
Terminal
Approach
Departure
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Minimum Clearance Altitude (feet)
Level Flight
Descending
700
500
350
300
150
100
100
100
Services/
Music
Utilities
System
Table 10-9 FLTA Alert Minimum Terrain and Obstacle Clearance Values
Messages
During final approach, FLTA alerts are automatically inhibited when the
aircraft is below 200 feet AGL while within 0.5 NM of the approach runway or
below 125 feet AGL while within 1.0 NM of the runway threshold.
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
10-17
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
10.5.6.3
Premature Descent Alerting
A Premature Descent Alert (PDA) is issued when the system detects that the
aircraft is significantly below the normal approach path to a runway.
PDA alerting begins when the aircraft is within 15 NM of the destination
airport and ends when the aircraft is either 0.5 NM from the runway threshold
or is at an altitude of 125 feet AGL while within 1.0 NM of the threshold. During
the final descent, algorithms set a threshold for alerting based on speed, distance,
and other parameters.
700
Height Above Terrain (Feet)
Direct-To
Proc
Wpt Info
Map
Services/
Music
Utilities
System
Messages
400
300
PDA Alerting Area
200
100
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Distance From Destination Airport (nm)
Figure 10-10 PDA Alerting Threshold
Terrain
Nearest
500
Runway 1
Threshold
Traffic
Weather
600
PDA and FLTA aural and visual alerts can be manually inhibited. Discretion
should be used when inhibiting terrain alerts and the system should be enabled
when appropriate. When terrain alerting is inhibited, the alert annunciation
“TER INHB” is shown.
10.5.6.4
Inhibiting/Enabling PDA/FLTA Alerting
Inhibit mode deactivates the PDA/FLTA aural and visual alerts. Pilots should
use discretion when inhibiting terrain alerts and always remember to enable
the system when appropriate. Only the PDA and FLTA alerts are disabled in the
inhibit mode. After cycling power, the terrain alerting function will no longer
be inhibited.
Symbols
Appendix
Index
10-18
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
Foreword
Getting
Started
Touch to Toggle
Terrain Inhibit
Terrain
Inhibited
Annunciation
Audio &
Xpdr Ctrl
Com/Nav
Figure 10-11 Terrain Alerting Inhibited Annunciation
FPL
1. While viewing the Terrain page, touch the Menu key.
Direct-To
2. Touch the Terrain Inhibit key to inhibit or enable terrain
alerting (choice dependent on current state). A green bar in
the key indicates the inhibit function is active.
10.5.6.5 Altitude Voice Call Out (VCO)
Terrain provides aural advisory alerts as the aircraft descends, beginning at
500 feet above the terrain, as determined by the radar altimeter (if greater than
5 NM from the nearest airport) or 500 feet above the nearest runway threshold
elevation (if less than 5 NM from the nearest airport). Upon descent to this
altitude, the terrain system issues the aural alert message “Five-hundred.”
10.5.6.6 Terrain Not Available Alert
Terrain requires a 3-D GPS position solution along with specific vertical
accuracy minimums. Should the position solution become degraded or if
the aircraft is out of the database coverage area, the annunciation “TER N/A”
is generated in the annunciation window and on the Terrain page. The aural
message “Terrain Not Available” is generated. When the GPS signal is reestablished and the aircraft is within the database coverage area, the aural
message “Terrain Available” is generated (when the aircraft is airborne).
10.5.6.7 Terrain Failure Alert
Terrain continually monitors several system-critical items such as database
validity, hardware status, and GPS status. If the terrain/obstacle database is not
available, the aural message “Terrain System Failure” is generated along with a
“TER FAIL” annunciation.
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
10-19
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
10.5.7
Terrain System Status
During power-up, the terrain system conducts a self-test of its aural and
visual annunciations. This test can also be manually initiated. An aural alert is
issued at test completion. Terrain system testing is disabled when ground speed
exceeds 30 knots.
Alert
Alert Type
Aural Message
Annunciation
Terrain Available
None
“Terrain Available”
None
Terrain System Test in Progress
Direct-To
Proc
Wpt Info
Map
Terrain System Test Pass
None
“Terrain System Test OK”
Terrain Not Available
Terrain N/A
None
Terrain Alerting is Disabled
“Terrain System Failure”
Terrain System Test Fail
Table 10-10 Terrain System Test Status Annunciations
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
10-20
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
Connext Weather coverage is available throughout most of
Europe, Canada and the U.S. Additional radar coverage areas are
added continuously. For the latest radar coverage information, visit:
https://fly.garmin.com/fly-garmin/connext/worldwide-weather/
Various world-wide weather subscription package options provide weather
reporting for most of Europe, Canada, Australia, and the U.S.
11.3.1
FPL
NOTE: A system can be configured for multiple weather products, but only
one may be selected for viewing in the Weather or map pages at a given
time.
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Using Connext Satellite Weather Products
When a weather product is active on the Weather Data Link Page or the
Navigation Map Page, the age of the data is displayed on the screen. The age of
the product is based on the time difference between when the data was assembled
on the ground and the current GPS time. Weather products are refreshed at
selectable intervals.
Weather products expire at intervals based on each product. When the data
expires, it is removed from the display. This ensures that the displayed data is
consistent with what is currently being broadcast by Connext Satellite Radio
services. If more than half of the expiration time has elapsed from the time the
data is received, the color of the product age displayed changes to yellow.
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
11-32
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
Foreword
Waypoint Connext Data Request
1.
Getting
Started
2. Select the waypoint and then press ENT.
Audio &
Xpdr Ctrl
Com/Nav
Diameter/Route Width Connext Data Request
After selecting a coverage option in the previous section, select
the desired Diameter and then press ENT.
FPL
Direct-To
Touch the Waypoint key to request that weather information
will be shown around the selected waypoint.
11.3.3.3
Proc
Connext Weather Map Orientation
1. While viewing the Connext Weather Menu, touch the
Orientation key.
Wpt Info
2. Touch the orientation choices of North Up, Track Up, and
Heading Up and to accept the displayed value and return to
the Connext Weather Menu.
Map
Traffic
Touch To Select
Map Orientation
Terrain
Weather
Nearest
Figure 11-59 Connext Weather Map Orientation
Services/
Music
Utilities
System
Messages
Symbols
11.3.4
Register with Connext
To access Connext Weather, visit flyGarmin.com and create a Connext
Satellite Services account. Be ready to provide the GTN system ID, airframe
information (model, tail number), and Iridium serial number. Garmin will issue
an access code for entry on the Connext Registration page. If access code and
system ID are correct, the airframe registration details will display.
1. While viewing Connext Settings Menu, touch the
Datalink Status key.
Appendix
Index
11-36
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
14
UTILITIES
Foreword
The Utilities page provides a group of features that make flight planning
easier and more efficient.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Figure 14-1 Utilities Home Page
Weather
Feature
VNAV 1
VCALC 1
Trip Planning
Fuel Planning 2
DALT/TAS/Winds
Description
• Enable en route vertical guidance
Nearest
• Specify a target vertical speed and flight path angle
Services/
Music
• View active constraint data
Calculate time to TOD and vertical speed required to
reach target altitude at the specified location.
View DTK, DIS, ETE, ESA and ETA information for
a direct-to, point-to-point between two specified
waypoints or for any programmed flight plan.
View fuel conditions along the active direct-to or flight
plan.
Calculate altitude, airspeed, and winds.
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
14-1
Feature
Foreword
Getting
Started
RAIM Prediction
Audio &
Xpdr Ctrl
Com/Nav
Flight Timers
Scheduled Messages
FPL
Direct-To
Proc
Checklists
Logs
Clean Screen
Description
Determine GPS coverage availability for the current
location or a specified waypoint at any time and date.
RAIM performs checks to ensure the GTN unit has
adequate satellite geometry during flight.
Monitor time in flight using three available timer types.
Create custom reminder messages and set when they
will display.
Review a built-in version of the aircraft checklist.
Export a flight data log.
Lock touchscreen controls to prevent accidental
activation while cleaning the display.
Wpt Info
Table 14-1 Utilities Page Features
Map
Note 1: VCALC and VNAV functions are mutually exclusive.
Enabling one automatically disables the other.
Note 2: Aircraft must be equipped with fuel flow and/or
fuel on board sensors.
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
14-2
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
FPL
Leg
Point to Point
P.POS
From
To
Flight Plan
WAAS
Diagnostic Log
Flight Data Log
Depart Time
Depart Date
Ground Speed
Mode
*VCALC and VNAV functions are mutually exclusive..
VS Target
Flight Path
Angle
VNAV Enabled
*
Display Messages
Restore Defaults
Target Waypoint
VS Profile
Offset
Before/After
MSL
Above Wpt
Altitude Type
Target Altitude
*
FPL
Leg
Point to Point
P.POS
From
To
Flight Plan
Fuel on Board
Fuel Flow
Ground Speed
Mode
Compute
RAIM
Waypoint
Arrival Date
Arrival Time
RAIM Status
Indicated ALT
BARO
CAS
TAT
TRK
HDG
Ground Speed
Reset Time
Reset Timer
Departure Time
Criteria
Power On
In Air
Power On
In Air
Criteria
Trip Timer
Reset Timer
Start/Stop
Direction
Up
Down
Generic Timer
Menu
Group
Checklist
Clear Current
Checklist
Clear All
Checklists
Message
Type
Timer
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Figure 14-2 Utilities Functional Diagram
14-3
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
Foreword
14.1
NOTE: If VNAV is enabled, the VCALC page is replaced with the
VNAV Profile page. For more information, refer to section 4.3.3.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Vertical Calculator (VCALC)
The Vertical Calculator (VCALC) function allows you to create a
three-dimensional profile which guides you from your present position and
altitude to a final (target) altitude at a specified location. This is helpful when
you’d like to descend to a certain altitude near an airport. Once the profile is
defined, message alerts and additional data can be configured on the Default
NAV and Map Pages to keep you informed of your progress.
Cruise Altitude
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
Target
Waypoint
Target Altitude
Target Offset (Before)
Figure 14-3 VCALC Target
VCALC is inhibited in the following conditions:
• Groundspeed is less than 35 knots
• No active flight plan or direct-to destination
• SUSP mode
• Vectors-to-Final mode
• VLOC mode
• After the FAF on an approach
• OBS mode
WARNING: Do not use VCALC messages as the only means of either avoiding
terrain/obstacles or following ATC guidance. VCALC provides advisory
information only and must be used in concert with all other available navigation
data sources.
System
Messages
Symbols
Appendix
Index
14-4
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
Serial No. & Sys ID
SW/HW Version Info
Database Info
Foreword
Getting
Started
SBAS
WAAS
Audio &
Xpdr Ctrl
Com/Nav
CDI
Date/Time
Com/Nav
Nearest Airport
Keyboard
Crossfill
FPL
Direct-To
Arrival
Destination Proximity
Class B/TMA
Class C/TCA
Class D
Restricted
MOA (Military)
Other
Airspace Altitude Buffer
Proc
Wpt Info
Map
Traffic
User Fields
Terrain
Nav Angle
Mag Var
Temp
Fuel
Position Format
Weather
Nearest
Services/
Music
Volume
TAWS Alert Voice
Utilities
Manual Offset
System
Connext Setup *
Messages
Voice Commands *
Command History *
Symbols
Appendix
* Optional
Index
Figure 15-2 System Function Summary
15-2
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
15.4
Setup
Foreword
The System Setup page allows you to:
Getting
Started
• Select CDI scale and ILS CDI capture type
• Specify time format and local offset
Audio &
Xpdr Ctrl
• Access nearest airport search filtering options
Com/Nav
• Access COM/NAV radio settings
• Select keyboard format
FPL
• Enable crossfilling to a second GTN or GNS unit
Direct-To
Proc
Wpt Info
Map
CDI
CDI Scale
ILS CDI Capture
Traffic
Date/Time
Terrain
Local Offset
Time Format
Weather
Nearest Airport
Runway Surface
Min Rwy Length
Nearest
Com/Nav
Services/
Music
Com Channel Spacing
25.0 kHz
8.33 kHz
Reverse Frequency Lookup
COM Sidetone Control
Utilities
System
Messages
Keyboard
Symbols
Crossfill
Appendix
Figure 15-19 System Setup Functions
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
15-15
1. While viewing the System page, touch the Setup key.
Foreword
Touch to Set Time
Format And Offset
Getting
Started
Audio &
Xpdr Ctrl
Touch to Select
CDI And ILS CDI
Capture
Touch to Select
Nearest Airport
Criteria
Touch To Set Up
Com and Nav
Radios
Touch to Select
Keyboard
Format
Com/Nav
FPL
Touch to Enable Crossfill
With Dual GTN Units
Direct-To
Proc
Figure 15-20 System Setup Page
2. After making the desired selections, touch the Back key to
return to the Setup page.
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
15.4.1
CDI Scale Selection
The CDI source and ILS CDI Capture type may be selected manually or
automatically. The selected CDI Scale will be reflected in the annunciation bar at
the bottom of the display.
CDI Scale Selection allows you to define the scale for the course deviation
indicator (both on the GTN unit's on-screen CDI and the external CDI). The
scale values represent full scale deflection for the CDI to either side. The default
setting is “Auto.” At this setting, the CDI scale is set to 2.0 NM during the
“en route” phase of flight. Within 31 NM (terminal area) of your destination
airport, the CDI scale linearly ramps down to 1.0 NM over a distance of 1 NM.
Likewise, when leaving your departure airport the CDI scale is set to 1.0 NM
and gradually ramps up to 2 NM beyond 30 NM (from the departure airport).
During GPS approach operations the CDI scale gradually transitions down to an
angular CDI scale. At 2.0 NM before the final approach fix (FAF), CDI scaling is
tightened from 1.0 NM to the angular full scale deflection (typically the angular
full-scale deflection is 2.0°, but will be as defined for the approach).
Symbols
Appendix
Index
15-16
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
15.4.3
Nearest Airport Criteria
Nearest Airport Criteria defines the surface type and minimum runway
length used when determining the 25 nearest airports to display on the Nearest
Airport Page. A minimum runway length and/or surface type may be entered
to prevent the display of airports with small runways, or runways that do not
have an appropriate surface. Deselecting Include User Airports excludes
user-defined airports from the nearest airport search.
Default settings are “0 feet (or meters)” for runway length and “any” for
runway surface type.
1. While viewing the System Setup page, touch the
Nearest Airport key.
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Touch To Select
Runway Surface Type
Wpt Info
Touch To Select Minimum
Runway Length
Map
Touch To Include
User Airports
Traffic
Figure 15-25 Select Nearest Airport Criteria
2. Touch the Runway Surface key to display the options.
Select the desired surface type.
Terrain
Weather
Touch To Select Any
Runway Surface
Touch To Select Hard
Runway Surfaces Only
Touch To Select Hard or
Soft Runway Surfaces
Touch To Select Water
Surfaces Only
Nearest
Services/
Music
Utilities
Figure 15-26 Nearest Airport Runway Surface Type
System
3. Touch Minimum Runway Length to display the keypad
for selecting the minimum runway length. Select the desired
minimum runway length with the numeric keypad. A selection
of "0" will allow any length.
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
15-19
Foreword
Touch to Delete Values
Getting
Started
Touch to Set Values
Audio &
Xpdr Ctrl
Figure 15-27 Nearest Airport Minimum Runway Length
Com/Nav
4. After selecting the minimum runway length, touch the Enter
key to save the entered values, or touch the Cancel key to
return to the System Setup page without saving a value.
FPL
5. Touch Include User Airports to include or exclude user
created airports
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
15.4.4
Com/Nav Setup
15.4.4.1 Com Channel Spacing
Com transceiver channel spacing may be selected between 8.33 kHz and
25.0 kHz.
1. While viewing the System Setup page, touch the Com/Nav
key.
2. Touch COM Channel Spacing to toggle between 8.33 kHz
and 25.0 kHz channel spacing.
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
15-20
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
Foreword
15.4.4.3
NOTE: This feature is available in software v6.50 and later. It requires
enablement by the installer.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
COM Sidetone Control
COM sidetone is audio spoken into the COM microphone that is played back
in real-time over the headset. An offset setting determines sidetone volume for
the COM during radio transmission. Controls allow adjustment of the amount
that the COM sidetone volume level is offset from the COM receiver volume or
the configured sidetone volume.
Offset Adjustment
Controls
Direct-To
Proc
Wpt Info
Map
Enables Link to
COM Receiver
Volume
Range: +/-10%
Default Value: 0
Figure 15-29 COM Sidetone Controls
To adjust the offset from the COM receiver volume:
Traffic
1. While viewing the System Setup page, touch the Com/Nav
key.
Terrain
2. Select Link to COM VOL.
3. Adjust offset as necessary.
Weather
Nearest
To adjust the offset from the configured sidetone volume, deselect
Link to COM VOL and then adjust the offset as necessary.
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
15-22
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
15.4.5
Keyboard Format
Foreword
NOTE: QWERTY and ABC keyboard formats are available in software v6.50
and later.
The GTN 6XX employs three keypad types to serve specific settings and
functions.
Tapping Keyboard changes the format between ABC and
QWERTY.
Displays Letters A Through M
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Displays Letters
N Through Z
Swiping Right
or Left Switches
Between The
Available Keysets
(A-M, N-Z, 123)
Getting
Started
Proc
Displays Numeric
Keys
Wpt Info
ABC
Displays Alphabetical Keys
Map
Displays Numeric
Keys
Traffic
Terrain
QWERTY
Weather
Nearest
Swiping From
Right To Left
Scrolls Through
All Available
Keys
Services/
Music
Active Selection
Utilities
Key Selector
System
Slider
Figure 15-30 Keyboard Formats
Keyboard
ABC
QWERTY
Slider
Messages
Description
Symbols
Alphabetical layout
U.S. standard keyboard layout
Key selector on bottom bar displays five keys at any given time
Appendix
Table 15-5 Keyboard Formats
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
Index
15-23
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
15.7
The Units Setup page allows you to select the conventions for the various
units that are displayed.
Units Type
Units Values
Altitude/Vertical Speed Feet(FT/FPM), Meters (M/MPS)
Nautical Miles (NM/KT), Kilometers (KM/KPH),
Distance/Speed
Statue Miles (SM/MPH)
Gallons (GAL), Imperial Gallons (IG), Kilograms (KG),
Fuel1
Liters (LT), or Pounds (LB)
1
Nav Angle
Magnetic (°), True (°T), User (°u)
Magnetic Variation
Position Format
Map
Pressure
Temperature1
Traffic
Terrain
Weather
Nearest
Units Settings
Enter numeric value, E or W
LAT/LON DD.D°, LAT/LON DD° MM.M', LAT/TON DD°
MM'SS", MGRS, UTM, Swiss Grid, Irish Grid,
British National Grid
Inches of Mercury (IN), Hectopascals (HPA), Millibars (MB)
Celsius (°C) or Fahrenheit (°F)
Table 15-9 System Units Setup
Note 1: Only these unit types will be crossfilled in dual GTN installations.
15.7.1
Setup Units
Use these settings to set the units for values displayed in the unit operation.
1. While viewing the System page, touch the Units key.
Services/
Music
Touch To Set
Units
Utilities
System
Messages
Figure 15-41 System Units Page
2. Touch the key for the desired units. A window with a list of
unit values will appear. Touch the desired value on the list.
Symbols
Appendix
Index
15-32
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
15.7.3
Position Format Selection
Foreword
There are multiple position formats available.
LAT/LON DD.D° **
British National Grid **
MGRS *
LAT/LON DD°MM.M'
Irish National Grid **
UTM *
Getting
Started
Audio &
Xpdr Ctrl
LAT/LON DD°MM'SS" ** Swiss National Grid **
Com/Nav
* Software v4.10 and later.
** Software v6.50 and later.
FPL
The selected format is used in all locations where position information is
available.
100 km Square
Identifier
Grid
Designator
Direct-To
Proc
Easting Value
Wpt Info
Map
Traffic
Northing Value
Figure 15-46 MGRS Position Format Detail
Grid Zone
Latitude Band
Terrain
Easting Value
Weather
Nearest
Services/
Music
Northing Value
Figure 15-47 UTM Position Format Detail
Utilities
In the case of regional position formats (e.g., Swiss National Grid), the GTN
defaults to displaying LAT/LON for any positions outside of the grid region.
System
Easting Value
Grid
Designator
Messages
Symbols
Appendix
Northing Value
Figure 15-48 British National Grid Position Format Detail
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
Index
15-35
Easting Value
Grid
Designator
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Northing Value
Figure 15-49 Irish National Grid Position Format Detail
Com/Nav
FPL
Easting Value
Direct-To
Proc
Wpt Info
Northing Value
Map
Figure 15-50 Swiss National Grid Position Format Detail
1. While viewing the System page, touch Units key.
Traffic
2. Touch the Position Format key.
Terrain
Touch to select
Position Format
Weather
Nearest
Services/
Music
Figure 15-51 Position Format Selection
Utilities
3. Touch the desired Position format.
System
Messages
Symbols
Appendix
Index
15-36
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
15.11.2 Pairing a Device
New devices can only be paired with the Flight Stream when it is in “Pairing
Mode.” The Flight Stream will be in pairing mode when the GTN is navigated
to the Connext Setup page and/or the Manage Paired Devices page. The pairing
must be initiated by the portable device. Pop-ups display on both the portable
device and GTN to confirm the pairing. Verify the passkey displayed on the
GTN matches that on the portable device.
FPL
Direct-To
Proc
Wpt Info
Figure 15-60 Confirm Pairing With A New Device
Map
Selecting “Manage Paired Devices” opens a page that lists all of devices paired
to the Flight Stream.
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
15-42
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Message
Description
VLOC RECEIVER - The nav radio is
Navigation receiver not communicating
property with the
has failed.
system.
VLOC RECEIVER - The nav radio is
Navigation receiver reporting to the GTN
that it needs service.
needs service.
The nav radio may
continue to function.
Current altitude
VNAV constraint cannot be
Unable to reach
vertical waypoint. reached based on
current ground and
vertical speeds.
The lateral flight plan
VNAV contains a procedure
Unavailable.
turn, vector, or other
Upcoming flight
unsupported leg type
plan leg not
prior to the active
supported.
vertical waypoint.
Current crosstrack
VNAV exceeds limit, causing
Unavailable.
vertical path guidance
Excessive
to become invalid.
crosstrack error.
Current track angle
VNAV error exceeds limit,
Unavailable.
causing vertical path
Excessive track
guidance to become
angle error.
invalid.
Selecting a parallel
VNAV course causes vertical
Unavailable.
path guidance to
Parallel course
become invalid.
selected.
Action
Use GPS based navigation. Contact
dealer for service.
Use GPS based navigation. Contact
dealer for service.
Attempt to intercept vertical path
by adjusting aircraft altitude.
Treat the flight plan segments
before and after the affected leg as
separate vertical profiles. The GTN
cannot provide automatic guidance
between the two segments.
Navigate within 10 nm of flight
plan centerline, or edit flight plan
to allow for vertical navigation.
Navigate within 70° of active flight
plan course.
Disable parallel track if vertical
path guidance is desired.
Index
16-24
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
Message
Description
VNAV Unavailable.
Barometric altitude
lost.
A loss of data from
the barometric altitude
sensor causes vertical
path guidance to
become invalid.
User has configured
the arrival alarm and
is within the specified
distance.
WAYPOINT Arriving at [wpt
name].
Action
Foreword
Contact dealer for service.
Getting
Started
Audio &
Xpdr Ctrl
No action is necessary; message is
informational only.
Com/Nav
FPL
Direct-To
Table 16-1 Messages
Proc
Note 1:
There are several reference datums that waypoints can be surveyed against.
TSO-C146 normally requires that all waypoints be referenced to the WGS84
datum, but allows for navigation to waypoints that are not referenced to the
WGS84 datum so long as the pilot is notified. Certain waypoints in the navigation
database are not referenced to the WGS84 datum, or their reference datum is
unknown. If this is the case, this message is displayed. Garmin cannot determine
exactly how close the non-WGS84 referenced waypoint will be to the WGS84
datum that the GTN uses. Typically, the distance is within two nautical miles.
The majority of non-WGS84 waypoints are located outside of the United States.
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
16-25
17
SYMBOLS
Foreword
The following tables describe the symbols that are found on the Map display.
17.1
Symbol
Map Page Symbols
Description
Airport with hard surface
runway(s); Non-Serviced,
Primary runway shown
Airport with soft surface
runway(s) only, Non-Serviced
Restricted (Private) Airfield
Symbol
Getting
Started
Audio &
Xpdr Ctrl
Description
Airport with hard surface
runway(s); Serviced, Primary
runway shown
Airport with soft surface
runway(s) only, Serviced
Unknown Airport
Com/Nav
FPL
Direct-To
Proc
Heliport
NDB
Intersection
Locator Outer Marker
Map
VOR
VOR/DME
Traffic
VORTAC
DME
TACAN
TOD/BOD
Wpt Info
Terrain
Weather
User Waypoint
User Airport
ATK
VRP
Nearest
Table 17-1 Map Page Symbols
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
17-1
18.4
Glove Qualification Procedure
Foreword
NOTE: This procedure is not authorized for completion during flight.
Perform all tasks while the aircraft is on the ground.
The touchscreen uses capacitive touch technology to sense the proximity of
skin to the display. A glove creates a barrier between the skin and the display
glass, potentially reducing the ability of the display to detect touches.
This procedure qualifies a specific glove for use with the touchscreen. Due
to differences in finger size, glove size, and touchscreen between the GTN 6XX
and GTN 7XX units, the qualification procedure is specific to the pilot/glove and
GTN combination. Multiple units must be evaluated individually.
Glove Selection Considerations
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
• Thinner gloves perform better than thicker gloves
• Leather gloves, and gloves designed specifically for use with capacitive
touchscreen devices, are often found to be acceptable
• To improve touchscreen sensitivity while wearing gloves, use the pad of
your finger instead of the tip during touch interactions
Glove Qualification Guidance
Wpt Info
Map
Traffic
Terrain
• Table 18-3 contains the tasks required to qualify a glove
• Table 18-4 contains tasks that are not required to qualify a glove, but may
limit how some functions are accessed while wearing a glove
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
18-21
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Glove Qualification Steps
1.
2.
3.
4.
5.
Direct-To
6.
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
7.
Complete only the tasks for the capabilities relevant to the installed GTN(s).
Sit in the pilot’s seat.
Start the GTN in demo mode by pressing and holding the Direct To key during
power up.
Perform the tasks listed in Table 18-3 and Table 18-4, tapping each key with a
non-gloved finger. It is not necessary to record any results for this step.
Repeat step 3 using a gloved hand.
For each task, determine whether the touchscreen response is the same or worse
than without the glove.
Record the results in the applicable table. Items that may cause the operation to be
worse include, but are not limited to:
a. Multiple attempts to select a key
b. Unintentional selection of adjacent key(s)
c. Excessive force on the touchscreen to select a key
If all applicable tasks produce the same response with and without a glove, the
pilot may use the glove in flight.
Glove Qualification Procedure
Pilot:
Glove Description:
Circle the applicable GTN.
6XX
Task
Utilities
System
Messages
Symbols
Appendix
Index
7XX
Operation With Glove
(circle one)
Starting from the Home page:
Demo
GPS
Waypoint
Type the airport identifier“KSLE.”
Enter
Return to the Home page.
18-22
GTN 625/635/650 Pilot’s Guide
Same
Same
Same
Same
Same
Worse
Worse
Worse
Worse
Worse
190-01004-03 Rev. N
Task
Operation With Glove
(circle one)
Flight Plan
Add Waypoint
Type the airport identifier“KSLE.”
Enter
Add each of the following waypoints in the same manner.
KMMV
KONP
BTG
Select BTG.
Load Airway
V23
ALFOR
Load
Scroll the list of flight plan waypoints up and down
using the arrow keys.
Back
GTN 635/650/750 only
Select the COM STBY frequency field.
Type a valid frequency.
Enter
Select the active COM frequency field. Observe the two
frequency values swap positions.
GTN 750 only
Select the active NAV frequency field. Observe the two
frequency values swap positions.
GTN 650 only
Menu
Same
Same
Same
Same
Worse
Worse
Worse
Worse
Same
Same
Same
Same
Same
Same
Same
Same
Same
Worse
Worse
Worse
Worse
Worse
Worse
Worse
Worse
Worse
Same
Worse
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Same
Same
Same
Same
Worse
Worse
Worse
Worse
Nearest
Services/
Music
Utilities
Same
Worse
System
Messages
Same
Worse
Symbols
Table 18-3 Tests Required for Glove Qualification
Appendix
Index
190-01004-03 Rev. N
GTN 625/635/650 Pilot’s Guide
18-23
Task
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Operation With Glove
(circle one)
Open the Active Flight Plan page.
With one finger on the page, drag the waypoint list up
and down.
With one finger, tap and swipe the list up or down.
Same
Same
Worse
Worse
Same
Worse
Back
Open the Map page.
Graphically Edit FPL
Tap and drag KONP to an empty area of the map,
panning and zooming as necessary. Observe that KONP
is removed from the flight plan.
Drag the leg between KMMV and BTG to KSPB.
Observe that KSPB is added to the flight plan.
Same
Same
Same
Same
Worse
Worse
Worse
Worse
Same
Worse
Table 18-4 Tests Not Required for Glove Qualification
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
18-24
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. N
© 2018 Garmin Corporation
flyGarmin.com
August 2018
190-01004-19 Rev. A
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