Garmin g1000 m20m Manuale Utente

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Garmin G1000 Cockpit Reference Guide for the Mooney M20M & M20R
12-13
SECTION 12 – ANNUNCIATIONS 
& ALERTS
GMU 44 Message Advisories
Alerts Window Message
Comments
HDG FAULT – A magnetometer fault 
has occurred.  
A fault has occurred in the GMU 44.  Heading is flagged as invalid.  The AHRS uses 
GPS for backup mode operation.  The G1000 system should be serviced.
MANIFEST – GMU1 software 
mismatch.  Communication halted.
The GMU 44 has incorrect software installed.  The G1000 system should be serviced.
GDL 69 Message Advisories
Alerts Window Message
Comments
GDL69 CONFIG – GDL 69 configura-
tion error.  Config service req’d. 
GDL 69 configuration settings do not match those of backup configuration memory.  
The G1000 system should be serviced.
GDL69 FAIL – GDL 69 has failed.
A failure has been detected in the GDL 69.  The receiver is unavailable.  The G1000 
system should be serviced
GDC 74A Message Advisories
Alerts Window Message
Comments
GDC1 CONFIG – GDC1 configuration 
error.  Config service req’d.
GDC 74A configuration settings do not match those of backup configuration 
memory.  The G1000 system should be serviced.
MANIFEST – GDC1 software 
mismatch.  Communication halted.
The GDC 74A has incorrect software installed.  The G1000 system should be 
serviced.
BACKUP PATH – Airdata using backup 
data path.
The GDC 74A is using a backup communications data path.  The G1000 system 
should be serviced when possible.