Garmin G1000 Cockpit Reference Guide for the Columbia 350/400190-00567-01 Rev. A 12-7SECTION 12 – ANNUNCIATIONS& ALERTSTAWS System Status AnnunciationsAlert TypePFD/MFD TAWSPageAnnunciationMFDPop-Up Alert Aural MessageTAWS System Test Fail None “TAWS System Failure”TAWS Alerting is disabled None NoneNo GPS position or excessively degradedGPS signalNone “TAWS Not Available”“TAWS Availble” will be heard when sufficientGPS signal is re-established.System Test in progress None NoneSystem Test pass None None “TAWS System Test OK”12.6 G1000 SYSTEM ANNUNCIATIONSWhen an LRU or an LRU function fails, a large red‘X’ is typically displayed on windows associated with thefailed data. The following section describes various systemannunciations. Refer to the AFM for additional informationregarding pilot responses to these annunciations.System Annunciation CommentAttitude and Heading Reference System is aligning.Display system is not receiving attitude information from the AHRS.Display is not receiving valid heading input from AHRS.Display is not receiving valid transponder information.NOTE: Upon power-up of the G1000 system,certain windows remain invalid as G1000equipment begins to initialize. All windowsshould be operational within one minute ofpower-up. Should any window continue toremain flagged, the G1000 system should beserviced by a Garmin-authorized repair facility.
