Garmin G1000 Pilot’s Guide for Diamond DA40/40F 190-00592-06 Rev. A402AUTOMATIC FLIGHT CONTROL SYSTEMSYSTEMOVERVIEWFLIGHTINSTRUMENTSEISAUDIO PANEL& CNSFLIGHTMANAGEMENTHAZARDAVOIDANCEAFCSADDITIONALFEATURESAPPENDICESINDEXOVERSPEED PROTECTIONNOTE: Overspeed protection is not active in Altitude Hold, Glideslope or Glidepath Modes.While Pitch Hold, Vertical Speed, Flight Level Change, Vertical Path Tracking, or an altitude capture mode isactive, airspeed is monitored by the flight director and pitch commands are limited for overspeed protection.Overspeed protection is provided in situations where the flight director cannot acquire and maintain the modereference for the selected vertical mode without exceeding the certified maximum autopilot airspeed.When an autopilot overspeed condition occurs, the Airspeed Reference appears in a box above the AirspeedIndicator, flashing a yellow ‘MAXSPD’ annunciation. Engine power should be reduced and/or the pitch referenceadjusted to slow the aircraft. The annunciation disappears when the overspeed condition is resolved.AirspeedIndicatorFigure 7-41 Overspeed AnnunciationANNUNCIATIONS FOR kAP 140 AUTOPILOT SYSTEMNOTE: Refer to the autopilot manufacturer’s Pilot’s Guide for more information.When GPS approach mode becomes active and the necessary approach criteria are met, a message appearsin the AFCS Status Box alerting the pilot to a change in autopilot NAV source (“NAV Source Changed – SelectDesired Autopilot Mode”). The annunciation shall blink for five seconds and remain in the AFCS Status Boxfor 30 seconds.Figure 7-42 KAP 140 Annunciation (Informative)NOTE: KAP 140 equipped aircraft only: Each time the CDI Softkey is pressed or the navigation sourceis changed (i.e. missed approach), the following message appears in the message window, “NAV SourceChanged – Select Desired Autopilot Mode.”