
Garmin G1000 Cockpit Reference Guide for the Socata TBM 850
190-00708-00 Rev. A
13-20
SECTION 13 – ANNUNCIATIONS
& ALERTS
GDC 74B Message Advisories (Cont.)
Message Comments
MANIFEST
– GDC1 software
mismatch, communication halted.
The GDC 74B has incorrect software installed. The G1000 system should be
serviced.
MANIFEST
– GDC2 software
mismatch, communication halted.
GCU 475 Message Advisories
Message Comments
GCU CNFG
– GCU Config error.
Config service req’d.
GCU 475 configuration settings do not match those of backup configuration
memory. The G1000 system should be serviced.
GCU FAIL
– GCU is inoperative. A failure has been detected in the GCU 475. The GCU 475 is unavailable.
MANIFEST
– GCU software mismatch,
communication halted.
The GCU 475 has incorrect software installed. The G1000 system should be
serviced.
GCU KEYSTK
– GCU [key name] Key
is stuck.
A key is stuck on the GCU 475 bezel. Attempt to free the stuck key by pressing it
several times. The G1000 system should be serviced if the problem persists.
GMC 710 Message Advisories
Message Comments
GMC CONFIG
– GMC Config error.
Config service req’d.
Error in the configuration of the GMC 710.
GMC FAIL
– GMC is inoperative. A failure has been detected in the GMC 710. The GMC 710 is unavailable.
MANIFEST
– GMC software
mismatch. Communication halted.
The GMC 710 has incorrect software installed. The G1000 system should be
serviced.
GMC KEYSTK
– GMC [key name] Key
is stuck.
A key is stuck on the GMC 710 bezel. Attempt to free the stuck key by pressing
it several times. The G1000 system should be serviced if the problem persists.
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