Gma 1347D Audio Panel - Garmin G1000 Nxi System Maintenance Manual

15. If no other service is to be performed, perform final return-to-service test as specified in
Section 9.

GMA 1347D Audio Panel

Original GMA 1347D Reinstalled
No software/configuration loading or testing is required if the removed GMA 1347D is re-
installed. This does not include units that were returned for repair as their software and
configuration files are deleted during the repair testing process. Continue to the final return-to-
service checks in Section 9.
Original GMA 1347D Installed in Opposite Locations for Troubleshooting
If the original GMA #1 and GMA #2 are installed in opposite locations, configuration loading is
required. See Section 7.2.1.
New, Repaired or Exchange GMA 1347D Installed
If a new, repaired or exchanged GMA 1347D is installed, the correct software and configuration
files must be loaded to the unit. See Section 7.2.1.
LRU Replacement Procedure GMA 1 or GMA 2
1. Open the MFD, PFD 1 (PRI), PFD 1 (SEC), and PFD 2 circuit breakers.
2. Apply power to the G1000 system by connecting external power to the aircraft to
energize the aircraft and avionics electrical busses.
3. Turn on Avionics electrical busses.
4. Power on PFD2, MFD, and PFD1 in configuration mode.
5. Using the PFD1, scroll to the LRU replacement page.
6. Activate the curser and select GMA1 or GMA2, whichever was replaced in the LRU
dropdown box
7. Press the CHK All softkey.
8. Press the Load softkey.
9. Press ENT to acknowledge the process was complete.
10. Deactivate the curser.
11. Scroll to the Configuration Manager page.
12. Press the CNFM CFG softkey.
13. Select ok when prompted to "Confirm configuration as expected configuration"
14. Power cycle the system. Verify there are no red-Xs or system alerts.
15. If red-Xs or system alerts are present, troubleshoot as necessary using Section 5 or re-
load the system using the legacy method in Section 7.2.2.
16. If there are no red-Xs or system alerts, continue to Section 7.2.3.
G1000 NXi System Maintenance Manual
King Air 300 Series
190-00716-N1
Page 262
Revision 1