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Annunciations & Alerts
grs 77 messAge Advisories (Cont.)
Message
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. 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.
84
Garmin G1000 Cockpit Reference Guide for the Socata TBM 850
Comments
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The #1 AHRS earth magnetic field model is out
of date.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The #2 AHRS earth magnetic field model is out
of date.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.
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.
190-00708-02 Rev. A
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