Garmin G1000 Manual page 679

GRS 77 MESSAGE ADVISORIES (CONT.)
Message
AHRS2 GPS – AHRS2 not receiving
any GPS information.
AHRS1 GPS – AHRS1 not receiving
backup GPS information.
AHRS2 GPS – AHRS2 not receiving
backup GPS information.
AHRS1 GPS – AHRS1 operating
exclusively in no-GPS mode.
AHRS2 GPS – AHRS2 operating
exclusively in no-GPS mode.
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.
190-00709-05 Rev. D
Comments
The #2 AHRS is not receiving any or any useful GPS information. Check AFMS
limitations. The G1000 system should be serviced.
The #1 AHRS is not receiving backup GPS information. The G1000 system should be
serviced.
The #2 AHRS is not receiving backup GPS information. The G1000 system should be
serviced.
The #1 AHRS is operating exclusively in no-GPS mode. The G1000 system should be
serviced.
The #2 AHRS is operating exclusively in no-GPS mode. The G1000 system should be
serviced.
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The #1 AHRS earth magnetic field model is out of date.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The #2 AHRS earth magnetic field model is out of date.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.
Garmin G1000 Pilot's Guide for the Socata TBM 850/900
APPENDIX A
665