Page 2
Although unlikely, it may be possible for erroneous operation to occur without a fault indication shown by the GTN 725/750. 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.
Page 3
WARNING: To reduce the risk of unsafe operation, carefully review and understand all aspects of the GTN 725/750 Pilot’s Guide as well as this guide. Thoroughly practice basic operation prior to actual use. During...
Page 4
FAA/FCC regulations. CAUTION: The GTN 725/750 has a display that is coated with a special anti-reflective coating that is very sensitive to waxes and abrasive cleaners. CLEANERS CONTAINING AMMONIA WILL HARM THE ANTI- REFLECTIVE COATING.
Page 5
This notice is being provided in accordance with California’s Proposition 65. If you have any questions or would like additional information, please refer to our web site at www.garmin.com/ prop65. NOTE: Canadian Installations: In accordance with Canadian Radio...
Page 6
Record of Revisions Part Number Revision Date Description 190-01007-04 Feb 2011 Initial Release Mar 2011 Updated message list. Nov 2012 Added v3.00 functionality. Feb 2013 Added v4.00 functionality. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Creating a Flight Plan ..........................30 Flight Plan Menu ............................31 Airways ..............................32 Airway Selection for Waypoint ........................32 PROCEDURES ....................33 Flying the Missed Approach ........................34 Flying an Approach with a Hold .........................34 NEAREST ......................35 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 8
Map Tool Bar Symbols ..........................52 Miscellaneous Symbols ..........................53 Stormscope® Symbols..........................54 Basemap Symbols ............................54 MESSAGES ......................55 GLOVE QUALIFICATION PROCEDURE ..............76 Tests Required for Glove Qualification ......................77 Tests Not Required for Glove Qualification ....................78 viii 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
GTN 725/750. For detailed descriptions of any information found in this guide, refer to the latest revision of the GTN 725/750 Pilot’ s Guide, P/N 190-01007-03 found at www.garmin.com. Active NAV...
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. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
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. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
A green bar indicates that a particular selection is enabled. Touch the Audio Panel key on the main page (see Page 5) to configure speakers, radios, and microphone. Audio Panel Key The audio panel options page will be displayed. Audio Panel Options 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
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. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Touch arrow to activate communication between recipients. See Intercom Modes table. Touch to adjust passenger’s volume squelch. Intercom Setup Page (Pilot in Left Seat Shown) 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 16
If a GMA 35 is connected to the GTN, voice commands may be available. Refer to the GTN 725/750 Pilot’ s Guide, P/N 190-01007-03, for a complete description of the voice recognition feature. Voice Recognition Commands Control Example Phrase Action “COM one”...
Page 17
NOTE: The word “to” may be omitted from distribution phrases. Enables 3D audio Voice Response: “Three-D “Three-D audio” audio left, three-D audio right.” 3D Audio Enables standard audio (disables 3D audio) “Standard audio” Voice Response: “Standard Audio.” 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Touch ENTER to confirm selection. IDENT Touch IDENT to activate the transponder’ s IDENT function. The key text remains gray and will change to green when IDENT mode is active. Transponder Mode 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 19
ALT displays in the squawk code field. VFR Touch to set the squawk code to 1200. Enable ES Touch to toggle extended squitter. Flight ID This field is inactive in non-GDL 88 installations. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 20
Flight ID This field 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 Pilot’s Guide, P/N 190-01007-03. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
NOTE: While 1200 is the default VFR squawk code, the installer can configure any code to the VFR key. This is to support international operations where 1200 may not be used. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
A green and weather information is settings. bar indicates the displayed on the map page. selection is enabled. Map Menu Options Page 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Wind - Wind Speed and Direction Generic Timer - Timers (Utilities) XTK - Cross Track Error GS - GPS Ground Speed OFF - Do Not Display Data Field Selections Available for NAV Data Fields 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Next Key Back Key Waypoint Info Key To exit Pan Mode, touch the Back key. To enter or edit a flight plan, touch the Graphically Edit FPL key. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
NOTE: It is not possible to graphically add an intermediate waypoint between the current position and a direct-to waypoint unless that waypoint is in the flight plan. Garmin recommends deleting any flight plan prior to graphically editing a direct-to waypoint.
Traffic NOTE: Depending on which traffic device is installed and how it is configured, the pages will be different that what is shown. Refer to the GTN 725/750 Pilot’s Guide, P/N 190-01007-03, for more information. Traffic Page 190-01007-04 Rev. D...
(climbing/descending). Failed Traffic data has failed. Data is being received from the transponder, but a failure Data Fail is detected in the data stream. No Data Traffic has not been detected. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Touch to set the amount of time the motion vector Vector Duration remains. Selections: 30 sec, 1 min, 2 min, 5 min. Touch to select what traffic to display. Selections: Altitude Filter Below, Normal, Above, Unrestricted 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Touch to select local baro field elevation Touch to set traffic audio volume Touch to activate operation Touch to select Touch to select ground mode approach mode TCAD Traffic and Control Menu Control 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Touch to display the active flight plan. as 360° ring or 120° arc. Touch to display the terrain legend. Touch to test the TAWS. Touch to suppress TAWS alerts. TAWS Terrain Menu Options 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 31
Touch to Touch to toggle Touch to Touch to test acknowledge alert. Reduce Protection deactivate HTAWS system. (RP) mode on and aural and off. visual alerts. HTAWS Terrain Menu Options 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
WEATHER NOTE: Features may vary, depending on your configuration. Refer to the GTN 725/750 Pilot’s Guide, P/N 190-01007-03 for more information. Weather SiriusXM Weather Menu SiriusXM® Weather (Optional) Touch NEXRAD Touch keys key to to select select Off, weather US, or product.
Off, product. US, or Green bar Canada indicates NEXRAD selected product. Touch to select the Touch to display weather overlay map the legend. orientation. FIS-B Weather Menu Options 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Connext Settings view the status of the datalink. Touch to display map orientation options. North Up, Orientation Track Up, or Heading Up. Legend Touch to display the legend of weather information. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
11 feet of the antenna. NOTE: Not all features are available on all radar systems. Refer to the GTN 725/750 Pilot’s Guide, P/N 190-01007-03 for more information. Radar Menu GWX 70 Weather Radar Menu Options Description Turbulence Detection Touch to enable turbulence detection.
Page 36
NOTE: Ground Clutter Suppression (GCS) and Turbulence Detection are only supported for 12” or larger RADAR antennas. Turbulence Detection is only supported out to a range of 40 NM and is disabled at display ranges greater than 160 NM. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Menu Options Touch to select chart information. Shows an inverted color view of the Selections include All, Header, Plan, display that enhances low light viewing. Profile and Minimums. Chart Options Menu 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Type in the airport identifier and touch Enter. If unknown, touch the Find key to search. To exit without making changes to the flight plan, touch the Cancel key. Keypad Keypad Entry Sample Flight Plan 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Touch to review flight plan prior to loading. Touch to edit flight plan. Touch to copy flight plan. Touch to delete flight plan. Route Options for Flight Plans 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Cancel: Touch to exit without changes to flight plan. Remove Airway: Touch to remove airway from flight plan. Touch Preview (if desired) to review selected airways. Touch to load selected airway to flight plan. Airway Selection for Waypoint 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
On the Procedures (PROC) page, select approach, arrival, and departure procedures. Touch to enter departure. Touch to enter arrival. Touch to enter approach. Touch to Select - Available Approach Selection Procedures (PROC) Page 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
NOTE: If you need to lose extra altitude or speed by going around the holding pattern again, touch SUSP to manually suspend waypoint sequencing BEFORE crossing the holding waypoint the second time. If you’ve already passed this waypoint, re-activate the holding pattern leg. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Touch to display the bearing, distance, and frequency of the nearest ARTCC. Touch to display the bearing, distance, and frequency of the nearest Flight Service Station. Touch to display the bearing, distance, and frequency of the nearest weather station. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Touch to display the distance, bearing, and reference waypoint information for created waypoints. Touch to create permanent or temporary waypoints. Items such as user identifier, comments, position type, reference waypoint, radial, and distance can be configured. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
LAT/LON, Touch to Radial/Radial, and create a Radial/Distance. temporary waypoint. Reference Waypoint, Radial, and Touch to Distance confirm entry. Touch to exit without creating user waypoint. Create User Waypoint Page 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Touch to Touch to end place a call. call. Touch to decrease volume. Touch to Touch to increase select type of volume. suppression. Choices are Off, On, On During APR/MAPR/TERM. Phone Page 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
2. Touch the To window to select recipient’s email address or phone number. 3. Touch the Compose key to bring up the keypad. 4. When finished, touch the Send key to send the message. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
The key in the Preset Channel Bar will store the channel. 4. Follow the same steps to override a currently stored channel. To clear presets, change Channel to 0 and touch all presets until all read 0. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
3. After automatic reporting is enabled, touch the Report Period key to display the keypad and enter the frequency of reporting. 4. Touch the Enter key to confirm your selection. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
2. Touch the Edit key to display the current contact formation. 3. Touch the information that you want to edit. When you’re finished, touch Save Contact key. Touch the Back key at any time to leave the contact unchanged. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Touch to see the integrity of GPS screen. Press the HOME satellite coverage at a particular key to exit cleaning waypoint at a particular time. mode. Touch to view trip information about the currently loaded flight plan. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Touch to Profile display VCALC messages in message list. VCALC Page NOTE: The Altitude Type key will not be available when the VCALC target waypoint does not have valid altitude data. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
CDI, Date/Time, Nearest Airport level of backlighting. Criteria, and COM Channel Spacing, and Crossfilled Items. Touch to customize alerts of arrival, destination proximity, airspace altitude buffer, and entry into selected airspaces. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Touch OK to enable Crossfill or touch Cancel to return to the System Setup page without enabling Crossfill. Touch OK to enable crossfill with dual units. Confirming Crossfill Selection 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 55
Plans and the active Direct-To course to the GNS unit. 3. Touch the Transfer User Waypoints key to transfer the User Waypoints from the GTN unit to the connected GNS unit. Transfer Of User Waypoints In Progress GTN-GNS Crossfill 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Proximity Advisory (PA) (intruder is within 5 NM and less than 1200 ft vertical separation) Traffic Advisory (TA) (closing rate, distance, and vertical separation meet TA criteria) Traffic Advisory Off Scale 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Unlighted Obstacle altitude (Red) 1000 ft Terrain between 100 ft and 1000 ft below the aircraft altitude (Yellow) Terrain more than 1000 ft below the aircraft altitude (Black) Terrain Altitude/Color Correlation 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Traffic Enabled and Not Available Indicator Stormscope Enabled Within coverage of a TIS-B ground station when connected to a GDL 88 Not within coverage of a TIS-B ground station when connected to a GDL 88 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Stormscope® Symbols Symbol Time Since Strike (Seconds) Basemap Symbols Symbol Description Interstate Highway State Highway US Highway National Highway - 2-digit drawn inside Small City or Town Medium City Large City 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Touch “Enable APR autopilot, and approach this will cause the autopilot Output” before guidance is now available. to go into ROL mode. selecting APR on Engage the autopilot into autopilot. approach mode. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 64
CDI is set source for approach. source for approach. to VLOC, or aircraft is on VLOC approach and CDI is set to GPS and aircraft is less than 2 nm from the FAF. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 65
COM radio is tuned to 121.5. To exit this mode, hold the COM remote transfer (COM RMT XFR) switch for two seconds. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 66
“on” but is not working listed in System section that mismatch. See CRG for due to software mismatch. will no longer be crossfilled. crossfilled items. Contact dealer for service and to have software versions updated. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 68
Contact dealer for service. DATACARD External SD memory card Reinsert SD memory card. REMOVED- was removed. Reinsert SD card. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 69
ADS-B fault: 1090 a 1090 receiver fault. receiver. DATALINK- The GDL 88 has detected Contact dealer for service. GDL 88 ADS-B not a position input fault. transmitting position. Check GPS devices. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 70
The GDL 88 has detected Contact dealer for service. GDL 88 configuration a configuration module module needs service. fault. DATALINK- GDL 88 has detected an Contact dealer for service. GDL 88 needs service. internal fault. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 71
Radio altitude information Radar Altimeter to receive radio altitude will not be available. source inoperative or information but is not Contact dealer for service. connection to GTN lost. receiving it from any source. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 72
The glideslope board Fly an approach that does Glideslope receiver has is not communicating not use the glideslope failed. properly with the system. receiver (VOR, LOC, GPS). Contact dealer for service. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 73
Use a different GPS receiver GPS receiver needs reporting that it needs or a non-GPS based source service. service. The GPS module of navigation. Contact may continue to function. dealer for service. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 74
Verify the HOME key is not HOME key is stuck. in a pressed position for pressed. Contact dealer at least 30 seconds. This for service if this message key will now be ignored. persists. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 75
Verify all database. This normally based on magnetic course angles. occurs when operating at variation. high latitudes that do not support a NAV Angle of Magnetic. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 76
Parallel track is not No action is necessary; Parallel track not supported for turns message is informational supported for turns greater than 120 degrees only. greater than 120 due to the acute angle. degrees. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 77
Contact is stuck. pressed position for at dealer for service if this least 30 seconds. This message persists. input will now be ignored and the COM radio will no longer transmit. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 78
Contact dealer for service if pressed position for at this message persists. least 30 seconds. This input will now be ignored. This input is not available in all installations. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 79
SET COURSE- The selected course on Set the CDI/HIS selected Set course on CDI/HSI the CDI/HSI does not course to the current to [current DTK]. match the current desired desired track. track. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 80
Contact dealer for service. Traffic device is for a traffic device but inoperative or is not receiving data connection to GTN is from it. Traffic will not be lost. displayed on the GTN. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 81
Verify squawk code and Transponder 1 transponder 1 or 2 but is altitude with ATC. Contact is inoperative or not able to communicate dealer for service. connection to GTN is with the transponder. lost. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 82
NAV radio may continue to function. VLOC RECEIVER- The NAV radio is not Use GPS based navigation. Navigation receiver has communicating property Contact dealer for service. failed. with the system. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 83
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. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Multiple attempts to select a key b. Unintentional selection of adjacent keys c. Excessive force on the touchscreen to select a key 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Touch the Back key to return to the Home screen. Same Worse Touch the COM standby frequency to activate the Same Worse com frequency entry keypad (Task applicable to 635/650/750 only). 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
KONP and dragging it to an area without any waypoints (Pan and zoom in/out as necessary to accomplish the task). Insert KSPB between KMMV and BTG by dragging the Same Worse leg between KMMV and BTG to KSPB. 190-01007-04 Rev. D GTN 725/750 Cockpit Reference Guide (CRG)
Page 88
This part shall comply with Garmin Banned and Restricterd Substances document, 001-00211-00.