Garmin GTN 750 Cockpit Reference Guide - Page 49

Message FPL WAYPOINT LOCKEDStored flight plan waypoint is not in current navigation database. FPL WPT MOVEDStored flight plan waypoint has changed location. GAD 42GAD 42 configuration needs service. GAD 42GAD 42 needs service. GLIDESLOPEGlideslope receiver needs service. GLIDESLOPEGlideslope receiver has failed. Description Action A stored flight plan waypoint is no longer in the current navigation database. Verify stored cataloged flight plans and procedures. Modify stored flight plans as necessary to include waypoints that are in the current navigation database. A stored flight plan waypoint has moved by more that 0.33 arc minutes from where previoulsy positioned. Verify stored cataloged flight plans and procedures. Modify stored flight plans as necessary to include waypoints that are in the current navigation database. GAD 42 indicates a Verify all input/output data configuration error. from/to the GAD 42 Interface Adapter. Contact dealer for service. GAD 42 indicates it Verify all input/output data needs service. The from/to the GAD 42 Interface GAD 42 may continue to Adapter. Contact dealer for function. service. The glideslope board is indicating that it needs service. The glideslope board may continue to function. Verify glideslope deviation indications with another source and crosscheck final approach fix crossing altitude. If another glideslope source is not available for verification, fly a GPS based approach. Contact dealer for service. The glideslope board is not communicating property with the system. Fly an approach that does not use the glideslope receiver (VOR, LOC, GPS). Contact dealer for service. Messages 190-01007-04 Rev. B GTN 725/750 Cockpit Reference Guide (CRG) 43