Garmin GTN 6 series Maintenance Manual - page 27

190-01007-A1

System Maintenance Manual GTN 6XX/7XX Part 23 AML STC

Rev. 6

Page 3-7

3.4.1

GTN Software Updates

NOTE

The following steps will need to be repeated for each replacement GTN unit that requires a 

software update.

To update the GTN software, perform the following steps:

1. Remove power from the GTN by opening the circuit breaker.

2. Remove the database card and insert the correct GTN Software Loader Card into the SD card slot. 

See Section 3.3.1 for creating a GTN Software Loader Card.

3. Restore power to the GTN by closing the circuit breaker.

4. The GTN is now in configuration mode as shown in Figure 3-8. Touch Updates to display the 

software updates that are available.

5. Verify that the software version being loaded to the GTN matches the software version listed on 

the GTN STC Equipment List, 005-00533-C1. The Updates page displays the version that is 

installed on the unit and the version installed on the loader card.

6. Verify that the available GTN software updates are being displayed by ensuring that GTN 

Software Updates key is highlighted in the upper left corner (upper right corner for 6XX) of the 

display.

7. To update the GTN with all software available, touch Select All.

8. To begin the software update, touch Updates on the bottom of the display.

9. The GTN will display the prompt, ‘Start GTN Software Updates?’

10. Touch OK to allow the GTN to go through the update process.

11. When the updates are finished, the GTN will display ‘Update Complete!’. When finished, remove 

power from the GTN and remove the Software Loader Card. Reinsert the database card into the 

SD card slot. 

Figure 3-9. GTN 7XX Updates Page