Gmu 44 Message Advisories; Gdc 74A Message Advisories - Garmin DA42-L360 Cockpit Reference Manual

Annunciations & Alerts
grs 77 messAge ADvisOries (COnt.)
Message
AHRS1 GPS – AHRS1 not receiving
backup GPS information.
AHRS1 GPS – AHRS1 operating
exclusively in no-GPS mode.
AHRS1 SRVC – AHRS1 Magnetic-
field model needs update.
GEO LIMITS – AHRS1 too far
North/South, no magnetic compass.
MANIFEST – GRS1 software
mismatch, communication halted.

gmu 44 messAge ADvisOries

Message
HDG FAULT – AHRS1
magnetometer fault has occurred.
MANIFEST – GMU1 software
mismatch, communication halted.

gDC 74A messAge ADvisOries

Message
MANIFEST – GDC1 software
mismatch, communication halted.
70
Garmin G1000 Cockpit Reference Guide for the DA42-L360
Comments
The #1 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The #1 AHRS earth magnetic field model is out
of date.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.
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.
The GMU 44 has incorrect software installed.
The G1000 system should be serviced.
Comments
The GDC 74A has incorrect software installed.
The G1000 system should be serviced.
190-01062-01 Rev. A