Grs 77H Message Advisories; Gmu 44 Message Advisories - Garmin Beil 407GX Cockpit Reference Manual

GRS 77H MESSAGE ADVISORIES

Message
AHRS1 TAS – AHRS1 not receiving
airspeed.
AHRS1 GPS – AHRS1 using backup
GPS source.
AHRS1 GPS – AHRS1 not receiving
any GPS information.
AHRS1 GPS – AHRS1 not receiving
backup GPS information.
AHRS1 GPS – AHRS1 operating
exclusively in no-GPS mode.
AHRS MAG DB – AHRS magnetic
model database version mismatch.
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.
190-01254-00 Rev. B
Comments
The #1 AHRS is not receiving true airspeed from
the air data computer. The AHRS relies on GPS
information to augment the lack of airspeed. The
system should be serviced.
The #1 AHRS is using the backup GPS path.
Primary GPS path has failed. The system should
be serviced when possible.
The #1 AHRS is not receiving any or any useful
GPS information. Check AFMS limitations. The
system should be serviced.
The #1 AHRS is not receiving backup GPS information.
The system should be serviced.
The #1 AHRS is operating exclusively in no-GPS
mode. The 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The #1 AHRS earth magnetic field model is out of
date.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 aircraft is outside geographical limits for
approved AHRS operation. Heading is flagged as
invalid.
The #1 AHRS has incorrect software installed. The
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 G1000H system
should be serviced.
The GMU 44 has incorrect software installed.
The G1000H system should be serviced.
Garmin G1000H Cockpit Reference Guide for the Bell 407GX
™
Annunciations & Alerts
115