190-00709-00 Rev. A
Garmin G1000 Pilot’s Guide for the Socata TBM 850
A-15
APPENDIX A
GRS 77 MESSAGE ADVISORIES (CONT.)
Message
Comments
AHRS MAG DB
– AHRS magnetic
model database version mismatch.
The #1 AHRS and #2 AHRS magnetic model database versions do not match.
AHRS1 SRVC
– AHRS1 Magnetic-field
model needs update.
The #1 AHRS earth magnetic field model is out of date. Update magnetic field model
when practical.
AHRS2 SRVC
– AHRS2 Magnetic-field
model needs update.
The #2 AHRS earth magnetic field model is out of date. Update magnetic field model
when practical.
GEO LIMITS
– AHRS1 too far North/
South, no magnetic compass.
The aircraft is outside geographical limits for approved AHRS operation. Heading is
flagged as invalid.
GEO LIMITS
– AHRS2 too far North/
South, no magnetic compass.
MANIFEST
– GRS1 software
mismatch, communication halted.
The #1 AHRS has incorrect software installed. The G1000 system should be serviced.
MANIFEST
– GRS2 software
mismatch, communication halted.
The #2 AHRS has incorrect software installed. The G1000 system should be serviced.
GMU 44 MESSAGE ADVISORIES
Message
Comments
HDG FAULT
– AHRS1 magnetometer
fault has occurred.
A fault has occurred in the #1 GMU 44. Heading is flagged as invalid. The AHRS uses
GPS for backup mode operation. The G1000 system should be serviced.
HDG FAULT
– AHRS2 magnetometer
fault has occurred.
A fault has occurred in the #2 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.
MANIFEST
– GMU2 software
mismatch, communication halted.
GDL 69A MESSAGE ADVISORIES
Message
Comments
GDL69 CONFIG
– GDL 69 config
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
MANIFEST
– GDL software mismatch,
communication halted.
The GDL 69 has incorrect software installed. The G1000 system should be serviced.
GWX 68 MESSAGE ADVISORIES
Message
Comments
GWX CONFIG
– GWX config error.
Config service req’d.
GWX 68 configuration settings do not match those of the GDU configuration. The
G1000 system should be serviced.
GWX FAIL
– GWX is inoperative.
The GDU is not recieving status packet from the GWX 68 or the GWX 68 is reporting
a fault. The GWX 68 radar system should be serviced.
