Garmin G3X Pilot’s Guide190-01115-00 Rev. K323AFCSSystemOverviewFlightInstruments EISCNSInterfaceGPSNavigationFlightPlanningHazardAvoidanceAdditionalFeatures AFCS Annun/Alerts Appendix IndexCHANGING THE AIRSPEED REFERENCEThe Airspeed Reference (shown in both the Autopilot Status Box and above theAirspeed Indicator) may be adjusted by using the NOSE UP/DN Wheel or FMS Joystick.Indicated Airspeed ModeIAS SpeedMode Active AirspeedReferenceAirspeed ReferenceBugVERTICAL NAVIGATION MODE (VNAV)NOTE: If another vertical mode softkey is pressed while VNAV Mode is selected,VNAV Mode reverts to armed.NOTE: Pressing the CWS Button (if equipped) while VNAV Mode is active doesnot cancel the mode. The autopilot guides the aircraft back to the descentpath upon release of the CWS Button.Vertical Navigation (VNAV) Mode is available for enroute/terminal cruise anddescent operations any time that VNAV flight planning is available. Refer to Section2.3 (Vertical Navigation) for more information.
