Garmin G1000 Nxi System Maintenance Manual page 342

6. Rotate the small FMS knob to display the drop down menu. Rotate the large FMS knob
to highlight King Air GRA 5500 Radar Altimeter. Press ENT key on PFD1.
7. Press the CHK All softkey.
8. Press the Load softkey.
9. Monitor load progress. Verify software load completes without errors as indicated by the
following:
•
Green "PASS" in the Configuration and Software columns for each item loaded.
•
"Upload Complete.............COMPLETE" in the summary box.
10. Press ENT key on PFD1 to acknowledge upload complete.
11. Deactivate cursor.
12. Scroll to the Configuration Manager page.
13. Press the CNFM CFG softkey.
14. Select ok when prompted to "Confirm configuration as expected configuration"
15. Power cycle the system. Verify there are no red-Xs or system alerts.
16. If red-Xs or system alerts are present, troubleshoot as necessary using Section 5.
17. If there are no red-Xs or system alerts, continue to Section 7.16.3.
GRA 5500 Functional Check
This check verifies that the G1000/radar altimeter interface operates correctly.
1. Navigate to the AUX – SYSTEM STATUS page on the MFD.
2. Press the RA TEST softkey and verify that the "RA TEST" annunciation is displayed on
both PFDs.
3. Verify 40 feet is displayed in the RA display window on both PFDs.
4. Press the RA TEST softkey again. Verify the RA readout window decreases to 0 feet on
PFD1 and PFD2.
5. Open the RADIO ALTM circuit breaker. Verify on PFD 1 and PFD 2 that an RA FAIL
message is displayed.
6. Close the RADIO ALTM circuit breaker.
G1000 NXi System Maintenance Manual
King Air 300 Series
190-00716-N1
Page 329
Revision 1