Garmin Cessna Caravan G1000, Reference Manual

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Garmin G1000 Cockpit Reference Guide for the Cessna Citation Mustang 190-00600-02 Rev. A
70
Annunciations & Alerts
Flight
Instruments
EICAS
Nav/Com/
XPDR/Audio
AFCS
GPS Nav
Flight
Planning
Pr
ocedur
es
Hazar
d
Avoidance
Additional
Featur
es
Abnormal Oper
ation
Annun/
Alerts
Appendix
Index
grs 77 messAge Advisories (Cont.)
Message Comments
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The #1 AHRS earth magnetic field model is out
of date.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The #2 AHRS earth magnetic field model is out
of date.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.