Garmin G1000 Cockpit Reference Manual page 111

SECTION 12 – ANNUNCIATIONS
& ALERTS
System Annunciation Comment
Attitude and Heading Reference System is aligning.
Display system is not receiving attitude information from the AHRS.
Display system is not receiving airspeed input from air data computer.
Display is not receiving altitude input from the air data computer.
Display is not receiving vertical speed input from the air data computer.
Display is not receiving valid heading input from AHRS.
Garmin G1000 Cockpit Reference Guide for the Beechcraft A36/G36
12-7