Garmin G1000 Cockpit Reference Guide for Cessna Nav III 151APPENDIX AGDC 74A Message AdvisoriesAlerts Window Message CommentsGDC1 CONFIG – GDC1 configurationerror. Config service req’d.GDC 74A configuration settings do not match those of backup configurationmemory. The G1000 system should be serviced.MANIFEST – GDC1 softwaremismatch. Communication halted.The GDC 74A has incorrect software installed. The G1000 system should beserviced.BACKUP PATH – Airdata using backupdata path.The GDC 74A is using a backup communications data path. The G1000 systemshould be serviced when possible.Miscellaneous Message AdvisoriesAlerts Window Message CommentsFPL WPT LOCK – Flight plan waypointis locked.Upon power-up, the G1000 system detects that a stored flight plan waypoint islocked. This occurs when an aviation database update eliminates an obsolete way-point. The flight plan cannot find the specified waypoint and flags this message. Thiscan also occur with user waypoints in a flight plan that is deleted.Remove the waypoint from the flight plan if it no longer exists in any database,ORupdate the waypoint name/identifier to reflect the new information.FPL WPT MOVE – Flight planwaypoint moved.The system has detected that a waypoint coordinate has changed due to a newaviation database update. Verify that stored flight plans contain correct waypointlocations.TIMER EXPIRD – Timer has expired. The system notifies the pilot that the timer has expired.DB CHANGE – Database changed.Verify user modified procedures.This occurs when a stored flight plan contains procedures that have been manuallyedited. This alert is issued only after an aviation database update. Verify that theuser-modified procedures in stored flight plans are correct and up to date.FPL TRUNC – Flight plan has beentruncated.This occurs when a newly installed aviation database eliminates an obsolete ap-proach or arrival used by a stored flight plan. The obsolete procedure is removedfrom the flight plan. Update flight plan with current arrival or approach.APPR VPROF – Approaching VNAVprofile.Aircraft is approaching VNAV profile. Prepare to climb or descend to meet VNAVprofile.APPR TRG ALT – Approaching targetaltitude. Aircraft is approaching target altitude. Prepare to level aircraft.
