Pilot's Guide

190-01255-00 Rev. B
Garmin G1000H
™
Pilot’s Guide for the Bell 407GX
495
APPENDIX A
GTX 33H MESSAGE ADVISORIES
Message Comments
XPDR1 CONFIG – XPDR1 config
error. Config service req’d.
The transponder configuration settings do not match those of backup configuration
memory. The system should be serviced.
MANIFEST – GTX1 software
mismatch, communication halted.
The transponder has incorrect software installed. The system should be serviced.
XPDR1 SRVC – XPDR1 needs
service. Return unit for repair.
The #1 transponder should be serviced when possible.
XPDR1 FAIL – XPDR1 is
inoperative.
There is no communication with the #1 transponder.
GRS 77H MESSAGE ADVISORIES
Message Comments
AHRS1 TAS – AHRS1 not receiving
valid airspeed.
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.
AHRS1 GPS – AHRS1 using backup
GPS source.
The #1 AHRS is using the backup GPS path. Primary GPS path has failed. The system
should be serviced when possible.
AHRS1 GPS – AHRS1 not receiving
any GPS information.
The #1 AHRS is not receiving any or any useful GPS information. Check AFMS
limitations. The system should be serviced.
GRS 77 MESSAGE ADVISORIES (CONT.)
Message Comments
AHRS1 GPS – AHRS1 not receiving
backup GPS information.
The #1 AHRS is not receiving backup GPS information. The system should be serviced.
AHRS1 GPS – AHRS1 operating
exclusively in no-GPS mode.
The #1 AHRS is operating exclusively in no-GPS mode. The system should be serviced.
AHRS MAG DB – AHRS magnetic
model database version mismatch.
The #1 AHRS and #2 AHRS magnetic model database versions do not match.
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The #1 AHRS earth magnetic field model is out of date.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.
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.
MANIFEST – GRS1 software
mismatch, communication halted.
The #1 AHRS has incorrect software installed. The 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 system should be serviced.
MANIFEST – GMU1 software
mismatch, communication halted.
The GMU 44 has incorrect software installed. The system should be serviced.