Garmin G1000 NAV III Line Maintenance Manual page 39

2.1.5.2 PFD RS-232 / ARINC 429 CONFIG Page
MFD1 ARINC 429 Config
Channel LRU
IN 1 GRS 77 #1
IN 2 GDC 74 #1
G1000 Nav III Line Maintenance Manual
190-00352-00
Indicator Status
MFD1/GRS 77 data path is functioning correctly.
MFD1/GRS 77 data path is not functioning correctly.
•
Reconfigure MFD1.
•
Reconfigure GRS 77.
•
Check the MFD1/GRS 77 interconnect wiring for faults.
•
Swap the MFD with the PFD to confirm if the problem is
in the original MFD.
MFD1/GRS 77 data path functionality is unknown. Reload MFD
configuration file.
MFD1/GDC 74 data path is functioning correctly.
MFD1/GDC 74 data path is not functioning correctly.
•
Reconfigure MFD1.
•
Reconfigure GDC 74A.
•
Check the MFD1/GDC 74 interconnect wiring for faults.
•
Swap the MFD with the PFD to confirm if the problem is
in the original MFD.
MFD1/GDC 74 data path functionality is unknown. Reload MFD
configuration file.
Replace original MFD if box turns green after
o
swapping displays.
Replace GRS 77 if problem remains.
o
Replace original MFD if box turns green after
o
swapping displays.
Replace GDC 74A if problem remains.
o
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