Gmu 44 Message Advisories - Garmin G1000 Reference Manual
Integrated flight deck
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Also See for G1000:
- Manual (724 pages) ,
- Pilot's manual (708 pages) ,
- System maintenance manual (340 pages)
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Annunciations & Alerts
grs 77 messAge Advisories (Cont.)
Message
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. The aircraft is outside geographical limits for
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.
70
Garmin G1000 Cockpit Reference Guide for the Cessna Citation Mustang
Comments
The #1 AHRS earth magnetic field model is out
of date.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The #2 AHRS earth magnetic field model is out
of date.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.
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.
190-00600-02 Rev. A
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