Garmin G1000:Beechcraft Baron 58/G58 User Manual page 504

APPENDIX A
GRS 77 MESSAGE ADVISORIES (CONT.)
Message
AHRS MAG DB – AHRS magnetic
model database version mismatch.
AHRS1 SRVC – AHRS1 Magnetic-field
model needs update.
AHRS2 SRVC – AHRS2 Magnetic-field
model needs update.
GEO LIMITS – AHRS1 too far North/
South, no magnetic compass.
GEO LIMITS – AHRS2 too far North/
South, no magnetic compass.
MANIFEST – GRS1 software
mismatch, communication halted.
MANIFEST – GRS2 software
mismatch, communication halted.
GMU 44 MESSAGE ADVISORIES
Message
HDG FAULT – AHRS1 magnetometer
fault has occurred.
HDG FAULT – AHRS2 magnetometer
fault has occurred.
MANIFEST – GMU1 software
mismatch, communication halted.
MANIFEST – GMU2 software
mismatch, communication halted.
GDL 69A MESSAGE ADVISORIES
Message
GDL69 CONFIG – GDL 69 config
error. Config service req'd.
GDL69 FAIL – GDL 69 has failed.
MANIFEST – GDL software mismatch,
communication halted.
A-16
Comments
The #1 AHRS and #2 AHRS magnetic model database versions do not match.
The #1 AHRS earth magnetic field model is out of date. Update magnetic field model
when practical.
The #2 AHRS earth magnetic field model is out of date. Update magnetic field model
when practical.
The aircraft is outside geographical limits for approved AHRS operation. Heading is
flagged as invalid.
The #1 AHRS has incorrect software installed. The G1000 system should be serviced.
The #2 AHRS has incorrect software installed. The G1000 system should be serviced.
Comments
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.
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.
The GMU 44 has incorrect software installed. The G1000 system should be serviced.
Comments
GDL 69 configuration settings do not match those of backup configuration memory.
The G1000 system should be serviced.
A failure has been detected in the GDL 69. The receiver is unavailable. The G1000
system should be serviced
The GDL 69 has incorrect software installed. The G1000 system should be serviced.
Garmin G1000 Pilot's Guide for the Hawker Beechcraft C90A/GT 190-00663-00 Rev. A