Garmin G3X Touch Pilot’s Guide 190-01754-00 Rev. L306AFCSSystemOverviewFlightInstrumentsEISCNSInterfaceGPSNavigationFlightPlanningHazardAvoidanceAdditionalFeaturesAFCSAnnun/AlertsAppendixIndexThe G3X Touch can also communicate with various non-Garmin autopilot units. Withan appropriate non-Garmin autopilot installed and the G3X Touch Analog AutopilotInterface is configured (refer to the G3X Touch Installation Manual), the G3X Touchissues course and heading information to the autopilot unit. The autopilot unit is thenresponsible for moving the flight controls. The G3X Touch system will not display flightdirector, modes, or annunciations for a non-Garmin autopilot system.NOTE: Refer to the G3X Touch Installation Manual and the non-Garminautopilot vendor documentation for information on installing and configuringthe G3X Touch Analog Autopilot Interface.NOTE: Refer to the non-Garmin autopilot vendor documentation for stand-alone autopilot functionality and control features.NOTE: When the autopilot is engaged with auto trim enabled, moving theMET Switch will disengage the autopilot.AFCS PRE-FLIGHT ACTIONSTo ensure that the Automatic Flight Control System (AFCS) is operating properlyprior to flight, perform the following Garmin recommended preflight checks.Before takeoff checklist - Garmin GFC 500:1) Autopilot - ENGAGE (using AP/CWS button, or AP button on modecontroller)2) Flight controls - CHECK (verify autopilot can be overpowered in both pitchand roll)3) AP DISC button - PRESS (verify autopilot disengages and audio alert isheard)4) Verify yaw damper - OFF (if installed) (verify yaw damper disengages andaudio alert is heard)5) Flight director - SET FOR TAKEOFF (select TO or VS mode or push FD Buttonto turn off the Flight Director)6) Flight controls - CHECK (verify autopilot servos are disengaged from pitch,roll, and yaw controls, and all controls move freely)7) Elevator trim control - SET FOR TAKEOFF