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GTX 33 MESSAGE ADVISORIES
Message
XPDR1 CONFIG – XPDR1 config error.
Config service req'd.
MANIFEST – GTX1 software
mismatch. Communication halted.
XPDR1 SRVC – XPDR1 needs service.
Return unit for repair.
XPDR1 FAIL – XPDR1 is inoperative.
GRS 77 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.
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.
190-00692-00 Rev. B
Comments
The transponder configuration settings do not match those of backup
configuration memory. The G1000 system should be serviced.
The transponder has incorrect software installed. The G1000 system should be
serviced.
The #1 transponder should be serviced when possible.
There is no communication with the #1 transponder.
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 G1000 system
should be serviced.
The #1 AHRS is using the backup GPS path. Primary GPS path has failed. The
G1000 system should be serviced when possible.
The #1 AHRS is not receiving any or any useful GPS information. Check POH
limitations. The G1000 system should be serviced.
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The #1 AHRS earth magnetic field model is out of date.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.
Garmin G1000 Pilot's Guide for Piper PA32
APPENDIX A
A-13
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