
Garmin G1000 Cockpit Reference Guide for the Cessna Caravan
190-00748-00 Rev. C
76
Annunciations & Alerts
Flight
InstrumentsEIS
Nav/Com/
XPDR/AudioAFCSGPS Nav
Flight
PlanningProcedures
Hazard
Avoidance
Additional
Features
Abnormal
Operation
Annun/
AlertsAppendixIndex
GDC 74A MESSAGE ADVISORIES
Message Comments
ADC1 ALT EC
– ADC1 altitude error
correction is unavailable.
GDC1 or GDC2 is reporting that the altitude
error correction is unavailable.
ADC2 ALT EC
– ADC2 altitude error
correction is unavailable.
ADC1 AS EC
– ADC1 airspeed error
correction is unavailable.
GDC1 or GDC2 is reporting that the airspeed
error correction is unavailable.
ADC2 AS EC
– ADC2 airspeed error
correction is unavailable.
MANIFEST
– GDC1 software
mismatch, communication halted.
The GDC 74A has incorrect software installed.
The G1000 system should be serviced.
MANIFEST
– GDC2 software
mismatch, communication halted.
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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