190-00592-02 Rev. A Garmin G1000 Pilot’s Guide for the Diamond DA40/40F A-11APPENDIX 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 – ADC1 using backupdata path.The GDC 74A is using a backup communications data path. The G1000 Systemshould be serviced when possible.GCU 476 MESSAGE ADVISORIESAlerts Window Message CommentsGCU CNFG – GCU config error.Config service req’d.GCU 476 configuration settings do not match those of backup configurationmemory. The G1000 System should be serviced.GCU FAIL – GCU is inoperative. The GCU 476 has failed. The G1000 System should be serviced when possible.GCU PATH – A GCU path has failed. The GCU 476 is using a backup communications data path. The G1000 Systemshould be serviced when possible.MISCELLANEOUS MESSAGE ADVISORIESAlerts Window Message CommentsFPL WPT LOCK – Flight planwaypoint is locked.Upon power-up, the G1000 System detects that a stored flight plan waypoint islocked. This occurs when an aviation database update eliminates an obsoletewaypoint. The flight plan cannot find the specified waypoint and flags thismessage. This can 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 beenmanually edited. This alert is issued only after an aviation database update.Verify that the user-modified procedures in stored flight plans are correct and upto date.FPL TRUNC – Flight plan has beentruncated.This occurs when a newly installed aviation database eliminates an obsoleteapproach or arrival used by a stored flight plan. The obsolete procedure isremoved from 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.LOCKED FPL – Cannot navigatelocked flight plan.This occurs when the pilot attempts to activate a stored flight plan that containslocked waypoint. Remove locked waypoint from flight plan. Update flight planwith current waypoint.