Pilot's Guide

Garmin G1000 Pilot’s Guide for the Hawker Beechcraft C90A/GT/GTi
190-00663-02 Rev. B544
APPENDIX A
Message Comments
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.
GDC 74B 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. The
G1000 system should be serviced.
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. The
G1000 system should be serviced.
ADC2 AS EC
ADC2 airspeed error
correction is unavailable.