Garmin G3X Touch Pilot’s Guide190-01754-00 Rev. L303AFCSSystemOverviewFlightInstruments EISCNSInterfaceGPSNavigationFlightPlanningHazardAvoidanceAdditionalFeatures AFCS Annun/Alerts Appendix IndexG3X TOUCH AFCS INSTALLATIONS OPTIONSThe G3X Touch offers multiple Automatic Flight Control System installation options.The following options are discussed in this section:• GDU 4XX Primary Flight Display (PFD), plus a third party autopilot unit. Selectinga FD mode engages the autopilot.• GDU 4XX Primary Flight Display (PFD), plus GSA 28 servos. This option includes aseparate FD.• GDU 4XX Primary Flight Display (PFD), plus third party autopilot, plus GMC305/307/507 Mode Controller. This option includes a separate FD. The FD canbe on independent of the autopilot. Selecting a FD mode does not engage theautopilot. This option does not support a Yaw Damper (YD).• GDU 4XX Primary Flight Display (PFD), plus GSA 28 servos, plus GMC 305/307/507Mode Controller. This option includes a separate FD. The FD can be on independentof the autopilot. Selecting a FD mode does not engage the autopilot. This optionsupports a Yaw Damper (YD).CONTROL WHEEL STEERING (CWS) (OPTIONAL)NOTE: Not all third party autopilot units support Control Wheel Steering(CWS).Control Wheel Steering allows the aircraft to be hand-flown without disengagingthe AFCS. Press and hold the autopilot unit’s CWS Button (if equipped) to temporarilydisengage the pitch and roll servos from the flight control surfaces and hand-fly theaircraft. The G3X Touch AFCS control is synchronized to the aircraft attitude duringControl Wheel Steering. The green ‘AP’ annunciation is temporarily replaced by a white‘CW’ for the duration of Control Wheel Steering maneuvers.In most scenarios, releasing the CWS Button reengages the Autopilot with a newreference. Refer to (Vertical Modes) and (Lateral Modes) for Control Wheel Steeringbehavior in each mode.
