Garmin GTN™ 725 Reference guide

Type
Reference guide

This manual is also suitable for

Map
Trafļ¬c
Terrain
Weather
Procedures
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Waypoint Info
Nearest
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Utilities
GTN 725/750
Cockpit Reference Guide
Flight Plan
ii
GTN 725/750 Cockpit Reference Guide
190-01007-04 Rev. M
Warnings, Cautions, and Notes
ii
WARNING: Navigation and terrain separation must NOT be predicated
upon the use of the terrain function. The GTN 7XX Terrain and HTerrain
Proximity features are NOT intended to be used as a primary reference
for terrain avoidance and do not relieve the pilot from the responsibility
of being aware of surroundings during ļ¬‚ight. Terrain Proximity is only
to be used as an aid for terrain avoidance and is not certiļ¬ed for use in
applications requiring a certiļ¬ed terrain awareness system. Terrain data
is obtained from third party sources. Garmin is not able to independently
verify the accuracy of the terrain data.
WARNING: The displayed minimum safe altitudes (MSAs) are only
advisory in nature and should not be relied upon as the sole source
of obstacle and terrain avoidance information. Always refer to current
aeronautical charts for appropriate minimum clearance altitudes.
WARNING: The GTN 7XX has a very high degree of functional integrity.
However, the pilot must recognize that providing monitoring and/or
self-test capability for all conceivable system failures is not practical.
Although unlikely, it may be possible for erroneous operation to
occur without a fault indication shown by the GTN 7XX. It is thus the
responsibility of the pilot to detect such an occurrence by means of
cross-checking with all redundant or correlated information available
in the cockpit.
WARNING: The altitude calculated by GPS receivers is geometric height
above Mean Sea Level and could vary signiļ¬cantly from the altitude
displayed by pressure altimeters, such as the output from the GDC 74A/B
Air Data Computer, or other altimeters in aircraft. GPS altitude should
never be used for vertical navigation. Always use pressure altitude
displayed by pressure altimeters in the aircraft.
WARNING: Do not use outdated database information. Databases used
in the GTN 7XX must be updated regularly in order to ensure that the
information remains current. Pilots using an outdated database do so
entirely at their own risk.
WARNING: Do not use basemap (land and water data) information for
primary navigation. Basemap data is intended only to supplement other
approved navigation data sources and should be considered as an aid
to enhance situational awareness.
iii190-01007-04 Rev. M
GTN 725/750 Cockpit Reference Guide
Warnings, Cautions, and Notes
WARNING: Trafļ¬c information shown on the GTN 7XX is provided as an
aid in visually acquiring trafļ¬c. Pilots must maneuver the aircraft based
only upon ATC guidance or positive visual acquisition of conļ¬‚icting trafļ¬c.
WARNING: Do not use data link weather information for maneuvering
in, near, or around areas of hazardous weather. Information contained
within data link weather products may not accurately depict current
weather conditions.
WARNING: Do not use the indicated data link weather product age to
determine the age of the weather information shown by the data link
weather product. Due to time delays inherent in gathering and processing
weather data for data link transmission, the weather information shown
by the data link weather product may be signiļ¬cantly older than the
indicated weather product age.
WARNING: Never use datalinked weather to attempt to penetrate a
thunderstorm. Both the FAA Advisory Circular, Subject: Thunderstorms,
and the Airmanā€™s Information Manual (AIM) recommend avoiding ā€œby at
least 20 miles any thunderstorm identiļ¬ed as severe or giving an intense
radar echo.ā€
WARNING: For safety reasons, GTN 7XX operational procedures must
be learned on the ground.
WARNING: To reduce the risk of unsafe operation, carefully review and
understand all aspects of the GTN 725/750 Pilotā€™s Guide as well as this
guide. Thoroughly practice basic operation prior to actual use. During
ļ¬‚ight operations, carefully compare indications from the GTN 7XX to
all available navigation sources, including the information from other
NAVAIDs, visual sightings, charts, etc. For safety purposes, always resolve
any discrepancies before continuing navigation.
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GTN 725/750 Cockpit Reference Guide
190-01007-04 Rev. M
Warnings, Cautions, and Notes
iv
CAUTION: The United States government operates the Global Positioning
System and is solely responsible for its accuracy and maintenance. The
GPS system is subject to changes which could affect the accuracy and
performance of all GPS equipment. Portions of the GTN 7XX utilize GPS
as a precision electronic NAVigation AID (NAVAID). Therefore, as with
all NAVAIDs, information presented by the GTN 7XX can be misused or
misinterpreted and, therefore, become unsafe.
CAUTION: The GTN 7XX does not contain any user-serviceable parts.
Repairs should only be made by an authorized Garmin service center.
Unauthorized repairs or modiļ¬cations could void both the warranty and
the pilotā€™s authority to operate this device under FAA/FCC regulations.
CAUTION: The display lens has a special anti-reļ¬‚ective coating that is
very sensitive to waxes and abrasive cleaners. CLEANERS CONTAINING
AMMONIA WILL HARM THE ANTI-REFLECTIVE COATING. It is very
important to clean the display using a clean, lint-free cloth and an eyeglass
lens cleaner that is speciļ¬ed as safe for anti-reļ¬‚ective coatings.
CAUTION: TFRs provided by datalink weather sources (i.e., FIS-B and
SiriusXM) are only advisory and do not replace a thorough preļ¬‚ight
brieļ¬ng on TFR times and locations. Not all TFRs may be shown. To
determine accurate TFR information, verify with ofļ¬cial sources, i.e.,
preļ¬‚ight planning or ļ¬‚ight service center.
NOTE: All visual depictions contained within this document, including
screen images of the GTN bezel and displays, are subject to change and
may not reļ¬‚ect the most current GTN software. Depictions of equipment
may differ slightly from the actual equipment.
NOTE: This device complies with part 15 of the FCC Rules. Operation is
subject to the following two conditions: (1) this device may not cause
harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
NOTE: This product, its packaging, and its components contain
chemicals known to the State of California to cause cancer, birth
defects, or reproductive harm. This notice is being provided in
accordance with Californiaā€™s Proposition 65. If you have any questions
or would like additional information, please refer to our website at
www.garmin.com/prop65.
v190-01007-04 Rev. M
GTN 725/750 Cockpit Reference Guide
Warnings, Cautions, and Notes
NOTE: Canadian Installations: In accordance with Canadian Radio
Speciļ¬cations Standard 102 (RSS 102), RF ļ¬eld strength exposure to
persons from an antenna connected to this device should be limited
to 60V/m for controlled environment and 28 V/m for uncontrolled
environment.
NOTE: Do not use SafeTaxi or Chartview functions as the basis for ground
maneuvering. SafeTaxi and Chartview functions have not been qualiļ¬ed
to be used as an airport moving map display (AMMD). SafeTaxi and
Chartview should only be used by the ļ¬‚ight crew to orient themselves
on the airport surface.
NOTE: The FAA has asked Garmin to remind pilots who ļ¬‚y with Garmin
database-dependent avionics of the following:
ā€¢ It is the pilotā€™s responsibility to remain familiar with all FAA regulatory
and advisory guidance and information related to the use of databases
in the National Airspace System.
ā€¢ Garmin equipment will only recognize and use databases that are
obtained from Garmin or Jeppesen. Databases obtained from Garmin
or Jeppesen are assured compliance with all data quality requirements
(DQRs) by virtue of a Type 2 Letter of Authorization (LOA) from
the FAA. A copy of the Type 2 LOA is available for each database at
ļ¬‚yGarmin.com.
ā€¢ Use of a current Garmin or Jeppesen database in your Garmin equipment
is required for compliance with established FAA regulatory guidance, but
does not constitute authorization to ļ¬‚y any and all terminal procedures
that may be presented by the system. It is the pilotā€™s responsibility to
operate in accordance with established AFM(S) and regulatory guidance
or limitations as applicable to the pilot, the aircraft, and installed
equipment.
NOTE: The pilot/operator must review and be familiar with Garminā€™s
database exclusion list as discussed in SAIB CE-14-04 to determine what
data may be incomplete. To see if an exclusion report exists for a speciļ¬c
database, visit ļ¬‚yGarmin.com.
vi
GTN 725/750 Cockpit Reference Guide
190-01007-04 Rev. M
Warnings, Cautions, and Notes
vi
NOTE: The pilot/operator must have access to Garmin and
Jeppesen database alerts and consider their impact on the intended
aircraft operation. For a current list of aviation database alerts, visit
ļ¬‚yGarmin.com.
NOTE: If the pilot/operator wants or needs to adjust the database, visit
ļ¬‚yGarmin.com.
NOTE: Garmin requests the ļ¬‚ight crew report any observed discrepancies
related to database information. These discrepancies could come in the
form of an incorrect procedure; incorrectly identiļ¬ed terrain, obstacles and
ļ¬xes; or any other displayed item used for navigation or communication
in the air or on the ground. To report an aviation database error, visit
ļ¬‚yGarmin.com.
NOTE: The GTN touchscreen may not respond to touch commands if
condensation or moisture accumulate on the touchscreen.
NOTE: Depending on software version and conļ¬guration, GTN features
and screen images may differ from those shown in this manual. Refer to
the GTN 725/750 Pilotā€™s Guide (P/N 190-01007-03) for more information
on speciļ¬c GTN software versions.
vii190-01007-04 Rev. M
GTN 725/750 Cockpit Reference Guide
Record of Revisions
Part Number Revision Date Description
190-01007-04 A
B
C
D
E
F
G
H
J
K
L
M
02/2011
03/2011
11/2012
02/2013
10/2013
08/2014
07/2015
01/2016
09/2016
08/2017
08/2018
04/2019
Initial Release.
Updated message list.
Added v3.00 functionality.
Added v4.00 functionality.
Added v5.00 functionality.
Added v5.11 functionality.
Added v6.00 functionality.
Added v6.10 functionality.
Added v6.20 functionality.
Added v6.30 functionality.
Added v6.50 functionality.
Added v6.60 functionality.
viii
GTN 725/750 Cockpit Reference Guide
190-01007-04 Rev. M
Table of Contents
Introduction .................................................................................................... 1
Direct-To Navigation ..................................................................................................................................2
NAV/COM Radio (GTN 750 Only) ....................................................................3
Touchscreen Entry......................................................................................................................................3
Selecting a NAV/COM Frequency using Rotary Knobs .................................................................................4
Frequency Flip/Flop ....................................................................................................................................4
Voice Commands .......................................................................................................................................4
Monitored Radios ......................................................................................................................................4
Mic Selection .............................................................................................................................................4
Audio Panel ...............................................................................................................................................5
Intercom ...................................................................................................................................................6
Intercom Setup ..........................................................................................................................................7
Transponder .................................................................................................... 8
Transponder Control ..................................................................................................................................8
TCAS II Transponder Mode Controls .........................................................................................................11
Special Squawk Codes .............................................................................................................................11
Map ..............................................................................................................12
Changing User Fields ...............................................................................................................................13
Pan Mode ...............................................................................................................................................14
User Waypoints .......................................................................................................................................14
Creating (or Editing) a Flight Plan in Pan Mode ........................................................................................15
Trafļ¬c ............................................................................................................ 17
Trafļ¬c System Status Annunciations..........................................................................................................18
TCAS .......................................................................................................................................................20
TCAD ......................................................................................................................................................21
ADS-B Trafļ¬c ...........................................................................................................................................22
Terrain...........................................................................................................25
TAWS ......................................................................................................................................................25
HTAWS ....................................................................................................................................................26
Weather ........................................................................................................27
SiriusXM
Ā®
Weather (Optional) ..................................................................................................................27
FIS-B Weather .........................................................................................................................................28
Stormscope
Ā®
Weather (Optional) ..............................................................................................................29
Connext Weather (Optional) ....................................................................................................................30
Radar (Optional) ......................................................................................................................................31
Charts ...........................................................................................................33
Chart Information ....................................................................................................................................33
Menu Options .........................................................................................................................................33
Flight Plan ....................................................................................................34
Creating a Flight Plan ..............................................................................................................................34
Flight Plan Menu .....................................................................................................................................35
En route Vertical Navigation (VNAV).........................................................................................................36
VNAV Options .........................................................................................................................................37
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GTN 725/750 Cockpit Reference Guide
Airways ...................................................................................................................................................38
Procedures .................................................................................................... 39
Departures, Arrivals, and Approaches ........................................................................................................39
Flying the Missed Approach .....................................................................................................................40
Flying an Approach with a Hold ...............................................................................................................40
Nearest .........................................................................................................41
Waypoint Info ...............................................................................................42
Creating a User Waypoint ........................................................................................................................43
Services ........................................................................................................44
Phone .....................................................................................................................................................45
SMS Text .................................................................................................................................................46
Music ......................................................................................................................................................47
Position Reports ......................................................................................................................................48
Contacts .................................................................................................................................................49
Utilities .........................................................................................................50
Vertical Calculator (VCALC) .....................................................................................................................51
System ..........................................................................................................52
GTN-GTN Crossļ¬lling ..............................................................................................................................53
GTN-GNS Crossļ¬lling ..............................................................................................................................54
GTN-G3X Touch Crossļ¬lling .....................................................................................................................55
Connext Setup - Flight Stream 210 and 510 .............................................................................................56
Pairing a Device .......................................................................................................................................57
Connext Operation with Flight Stream 210 and 510 .................................................................................58
Connext Setup - Other Bluetooth Devices .................................................................................................59
Symbols ........................................................................................................60
Map Symbols...........................................................................................................................................60
SafeTaxiā„¢ Symbols .................................................................................................................................61
Trafļ¬c Symbols ........................................................................................................................................61
Terrain Obstacle Symbols .........................................................................................................................63
HTAWS Obstacle Symbols ........................................................................................................................64
Basemap Symbols ....................................................................................................................................64
Map Tool Bar Symbols .............................................................................................................................65
Miscellaneous Symbols ............................................................................................................................66
StormscopeĀ® Symbols.............................................................................................................................67
Messages ......................................................................................................68
Glove Qualiļ¬cation Procedure .....................................................................93
Tests Required for Glove Qualiļ¬cation ...............................................................................................94
Tests Not Required for Glove Qualiļ¬cation ...............................................................................................96
Telligence Voice Command Qualiļ¬cation Procedure ....................................97
Voice Command Guidelines .....................................................................................................................97
Voice Command Instructions ....................................................................................................................98
Qualiļ¬cation Procedure ...........................................................................................................................98
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GTN 725/750 Cockpit Reference Guide
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GTN 725/750 Cockpit Reference Guide
Introduction
INTRODUCTION
This cockpit reference guide (CRG) is intended to serve as a quick reference
covering the basic features and operating procedures for the GTN 725/750. For
detailed descriptions of any information found in this guide, refer to the latest
revision of the GTN 725/750 Pilotā€™s Guide, P/N 190-01007-03, found at
ļ¬‚yGarmin.com.
Large
and Small
Knobs
Volume and
Squelch
Active COM Frequency
Standby COM
Frequency
Active NAV
Frequency
Transponder
Display
Audio Panel
Flip/Flop
Keys for
COM
Standby
NAV
Frequency
Direct-To
Key
Photo
Sensor
Home
Key
Datacard
Function
Icons
Touchscreen
Display
Large and Small Knob
Function Annunciation
Locking
Screw
GTN 750 Front Panel/Main Page
Direct-To Key - Press to provide a direct course to a selected
waypoint.
Home Key - A single press of the Home Key returns the user
to the main page to access features. Pressing and holding the
HOME key while on any page will display the default MAP page.
Volume and Squelch Knob - Upper left knob controls volume of
the COM and NAV radios. Press to use the IDENT function of the
NAV radio. Pressing and holding the volume knob will change the
frequency to emergency frequency.
Large and Small Knobs - Both are rotary knobs. The small
knob can be pressed and held in to ļ¬‚ip-ļ¬‚op COM and NAV
frequencies.
2
GTN 725/750 Cockpit Reference Guide
190-01007-04 Rev. M
Introduction
Direct-To Navigation
OR
Press the Direct-To key to quickly navigate from your present position
directly to a selected waypoint, ļ¬‚ight plan waypoint, or nearest airport.
Direct-To a Waypoint
1. Press Direct-To.
2. Touch the Waypoint Identiļ¬er ļ¬eld and select the characters for the
desired waypoint with the large and small right knobs or the touch
keypad.
3. Touch Activate or press the small right knob. Text near the small
right knob indicates its current function.
Direct-To a Flight Plan Waypoint
OR
1. Press Direct-To.
2. Touch the FPL tab and then the desired Flight Plan
waypoint.
3. Touch Activate or press the small right knob.
Direct-To a Nearest Airport
OR
1. Press Direct-To.
2.
Touch the NRST APT tab and then the desired airport from the Nearest
Airport list. Touch the Up or Down keys as needed to show more of the list.
3. Touch Activate or press the small right knob.
Direct-To a User-Deļ¬ned Hold
1. Press Direct-To and the touch Hold.
2. Touch the Course key and use the keypad to select the course.
3. Touch the Course Direction key to select inbound/outbound direction
and then the Turn key to select the turn direction.
4. Touch the Leg Type key to select time/distance and then touch the Leg
Time or Leg Distance key and use the keypad to select the leg length.
5. Touch the Expect Further Clearance key and use the keypad to select
the reminder time.
6. Touch the Load Hold key then the Hold Activate key.
3190-01007-04 Rev. M
GTN 725/750 Cockpit Reference Guide
GPS/NAV/COM
NAV/COM RADIO (GTN 750 Only)
NAV frequencies
in the database
will display the
ident based on
GPS position.
Identiļ¬er
and type
shown for
the selected
frequency.
Active COM Frequency Active NAV Frequency
Standby COM Frequency Standby NAV Frequency
Transponder ID
COM and NAV Radio Frequencies
Touchscreen Entry
NOTE:
G
designates functions that are accomplished by touching.
Cyan colored keys represent ļ¬elds that can be modiļ¬ed, white colored keys
represent keys that change the state of operation for the related feature.
The COM or NAV frequency is changed by touching the STBY ļ¬eld and
using the keypad to enter the desired frequency. Press Enter when ļ¬nished or
Back to exit without making changes. If an entry was started, touch Cancel to
exit out of the screen without making changes.
G
COM Standby Page
Mon:
Monitors the standby COM frequency.
Find:
Displays categories for User, Recent, Nearest, and
Flight Plan frequencies.
Xfr:
Automatically enters the frequency to the active
COM or NAV frequency window.
NOTE:
The NAV Standby page is identical to the COM Standby page except
that there is no MON key.
4
GTN 725/750 Cockpit Reference Guide
190-01007-04 Rev. M
GPS/NAV/COM
Selecting a NAV/COM Frequency using Rotary Knobs
Press the center of the
small right knob to change the COM frequency
display to the NAV frequency display.
1. Turn or momentarily press the small right knob once to highlight the
STBY ļ¬eld of COM or NAV. The knob function defaults to COM after 30
seconds of inactivity.
2. Turn the large right knob to the desired MHz value.
3. Turn the small right knob to the desired kHz value.
4. Press the small right knob to conļ¬rm entry.
Frequency Flip/Flop
To ļ¬‚ip/ļ¬‚op the active and standby NAV/COM frequencies, press and
hold the small knob or touch the active NAV/COM frequency ļ¬eld. An
annunciation, Hold for Flip-Flop, will be displayed near the knobs.
Voice Commands
If a GMA 35 is connected to the GTN, voice commands may be available.
For a complete description of the voice recognition feature refer to GTN
6XX/7XX Telligence Voice Command Guide, P/N 190-01007-50.
Monitored Radios
The Monitor function indicates which radios are being listened to by the
crew and passengers.
Mic Selection
Use the Audio Panel page to select the microphone for transmitting. Mic
selection can be accomplished by touching the
Audio Panel
key on the main
page.
5190-01007-04 Rev. M
GTN 725/750 Cockpit Reference Guide
GPS/NAV/COM
Audio Panel
The audio panel allows you to control the audio equipment of the aircraft.
A green bar indicates that a particular selection is enabled. Touch the Audio
Panel key on the main page to conļ¬gure speakers, radios, and microphone.
G
The audio panel options page will be displayed.
Audio Panel Options
Split Mode:
Touch to select Split COM Mode in which the pilot
and co-pilot can select independent COM radios.
Playback Controls:
Touch to use the audio clearance recorder.
Cabin Speakers:
Touch to activate cabin speaker.
Speaker Volume:
Touch to adjust the speaker volume of the cabin
speakers.
Marker Audio:
Touch to hear tones for marker beacons.
Marker Volume:
Touch to adjust the volume of the marker beacon
broadcast.
Marker Hi Sense:
Touch to allow detection of the outer marker
beacon at a greater distance.
3D Audio:
Touch to toggle the 3D audio function on and off.
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GTN 725/750 Cockpit Reference Guide
190-01007-04 Rev. M
GPS/NAV/COM
Intercom
G
NOTE: The pilotā€™s position, (left or right seat), is conļ¬gured during
installation and will be reļ¬‚ected on the Intercom Setup Page.
Touch to adjust
pilotā€™s volume
and squelch.
Touch to adjust
co-pilotā€™s volume
and squelch.
Touch to
adjust
passengerā€™s
volume
and
squelch.
Touch arrow
to activate
communication
between
recipients. See
Intercom
Modes table.
Intercom Setup Page (Pilot in Left Seat Shown)
7190-01007-04 Rev. M
GTN 725/750 Cockpit Reference Guide
GPS/NAV/COM
Intercom Setup
The green arrow indicates active communication between the selected
recipients. The modes depicted below have the pilot in the left seat.
Mode Pilot Hears Co-Pilot Hears Passengers Hear
Selected radios, pilot Selected radios, co-pilot Passengers
Selected radios, pilot,
co-pilot
Selected radios, pilot,
co-pilot
Passengers
Selected radios, pilot,
co-pilot
Selected radios, co-
pilot, pilot, passengers
Selected radios,
co-pilot, passengers
Selected radios, pilot,
passengers
Selected radios, co-pilot Selected radios, pilot,
passengers
Selected radios, pilot Selected radios,
co-pilot, passengers
Selected radios,
co-pilot, passengers
Selected radios, pilot,
co-pilot, passengers
Selected radios, pilot,
co-pilot
Selected radios, pilot,
passengers
Selected radios, pilot,
passengers
Selected radios,
co-pilot, passengers
Selected radios, pilot,
co-pilot, passengers
Selected radios, pilot,
co-pilot, passengers
Selected radios, pilot,
co-pilot, passengers
Selected radios, pilot,
co-pilot, passengers
Intercom Modes
8
GTN 725/750 Cockpit Reference Guide
190-01007-04 Rev. M
Transponder
TRANSPONDER
Transponder Control
Touch the Squawk Code Field to display the Transponder panel. Touch the
Transponder Mode ļ¬eld to select available modes.
IDENT Field
Squawk Code Field
Transponder modes:
Standby, Ground, On,
Altitude Reporting.
Transponder Control
Transponder ID
Touch the Squawk Code Field. Enter the code (for either XPDR 1 or
XPDR 2) using the displayed keypad. Touch ENTER to conļ¬rm selection.
IDENT
Touch IDENT to activate the transponderā€™s IDENT function. The key text
remains gray and will change to green when IDENT mode is active.
G
Transponder Mode
9190-01007-04 Rev. M
GTN 725/750 Cockpit Reference Guide
Transponder
Transponder Mode Keys
Green indicates current
condition.
Transponder Panel Page (Non-GDL 88 Installations with Mode C Transponder)
Standby:
Touch to place transponder in Standby mode. It is still
powered, but will not transmit information. STBY displays in
the squawk code ļ¬eld.
Ground:
Touch to place transponder in Ground mode. Refer to the
documentation provided with your GTX transponder for speciļ¬c
information on this mode of operation.
On:
Touch to turn transponder On for Mode A operation. Will
transmit the squawk code when interrogated. ON displays in
the squawk code ļ¬eld.
Altitude
Reporting:
Touch for Mode C operation. The transponder will be on and
will transmit its squawk code and altitude when interrogated.
ALT displays in the squawk code ļ¬eld.
VFR:
Touch to set the squawk code to 1200.
Enable ES:
Touch to toggle extended squitter.
Flight ID:
This ļ¬eld is inactive in non-GDL 88 installations.
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GTN 725/750 Cockpit Reference Guide
190-01007-04 Rev. M
Transponder
Touch to enter ļ¬‚ight ID.
Touch to arm the
Anonymous key.
Transponder Page (GDL 88 Installations with Mode C Transponder)
Standby :
Touch to place transponder in Standby mode. It is still
powered, but will not transmit information. STBY displays in
the squawk code ļ¬eld.
Ground:
Touch to place transponder in Ground mode. Mode S
interrogations will be allowed. GND displays in the squawk
code ļ¬eld.
On:
Touch to turn transponder On for Mode A operation. Will
transmit the squawk code when interrogated. ON displays in
the squawk code ļ¬eld.
Altitude
Reporting:
Touch for Mode C operation. The transponder will be on and
will transmit its squawk code and altitude when interrogated.
ALT displays in the squawk code ļ¬eld.
VFR:
Touch to set the squawk code to 1200.
Anonymous:
Touch to arm anonymous mode.
Flight ID:
This ļ¬eld is active in GDL 88 installations that have
transponders.
NOTE: More detailed descriptions of the transponder panels for
all installations can be found in the GTN 725/750 Pilotā€™s Guide,
P/N 190-01007-03.
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Garmin GTN™ 725 Reference guide

Type
Reference guide
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