Cockpit Reference Guide

Garmin G1000 Cockpit Reference Guide for the Beechcraft 300/B300 Series
190-01344-00 Rev. B 107
Annunciations & Alerts
Flight
Instruments
Nav/Com/
XPDR/Audio AFCS GPS Nav
Flight
Planning Procedures
Hazard
Avoidance
Additional
Features Annun/Alerts Appendix Index
GRS 77 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.
AHRS2 TAS – AHRS2 not receiving
valid airspeed.
The #2 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.
AHRS2 GPS – AHRS2 using backup
GPS source.
The #2 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.
AHRS2 GPS – AHRS2 not receiving
any GPS information.
The #2 AHRS is not receiving any or any useful
GPS information. Check AFMS limitations. The
system should be serviced.
AHRS1 GPS – AHRS1 not receiving
backup GPS information.
The #1 AHRS is not receiving backup GPS
information. The system should be serviced.
AHRS2 GPS – AHRS2 not receiving
backup GPS information.
The #2 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.
AHRS2 GPS – AHRS2 operating
exclusively in no-GPS mode.
The #2 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The #1 AHRS earth magnetic field model is out of
date.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.