Garmin GTN Xi Series Maintenance Manual page 29

3.2.1.4 GMA 35 Boot Block Loading
NOTE
The GMA 35 Boot Block Loader Card is separate from the GMA 35 Software Loader Card
and is required to update Boot Block software to v4.10.
1. Remove power from the GTN 7XX Xi.
2. Insert the GTN Boot Block Loader Card into the GTN 7XX Xi data card slot. For instructions on
how to create a GTN Boot Block Loader Card, refer to Section 3.2.1.1.
3. Apply power to the GTN Xi unit. The GTN Xi will automatically power on in Configuration
mode.
4. Ensure the GMA 35 circuit breaker is closed.
5. Select all GMA 35 Boot Block updates.
6. To begin the software update, touch the Update key on the bottom of the display.
7. The GTN Xi will display the prompt, "Start GMA 35 Software Updates?"
8. To allow the GTN Xi to update the GMA 35, touch OK.
9. When updates complete, the GTN Xi will display, "Update Complete!"
10. Power off the GTN Xi and GMA 35 by opening the circuit breaker.
11. Remove the Boot Block Loader Card.
12. Re-insert the database card in the data card slot.
13. Restore power on the GTN Xi and GMA 35 by closing the circuit breakers.
14. To ensure the software correctly updated, go to the System Information page and select the
GMA 35. Refer to Section 3.2.2 for more information on the System Information page.
190-01007-C1
Rev. 1
GTN Xi Part 23 AML STC Maintenance Manual
Page 3-10