Garmin G3X Pilot’s Guide190-01115-00 Rev. K315AFCSSystemOverviewFlightInstruments EISCNSInterfaceGPSNavigationFlightPlanningHazardAvoidanceAdditionalFeatures AFCS Annun/Alerts Appendix Index9.2 VERTICAL MODESThe table lists the vertical modes with their corresponding controls and annunciations.The mode reference is displayed next to the active mode annunciation for AltitudeHold, Vertical Speed, and Indicated Airspeed modes. The NOSE UP/DN Wheel (GMC305 only) or FMS Joystick, can be used to change the vertical mode reference whileoperating under Pitch Hold, Vertical Speed, Indicated Airspeed (GMC 305 only), orAltitude Hold modes. Increments of change of values for each of these referencesusing the NOSE UP/DN Wheel or FMS Joystick, are also listed in the table.VerticalMode Description Control AnnunciationReferenceChangeIncrementPitch HoldHolds the current aircraft pitchattitude; may be used to climb/descend to the Selected Altitude(default) PIT 0.5°SelectedAltitudeCaptureCaptures the Selected Altitude * ALTs10 ftAltitudeHold Holds the current AltitudeALT Key(GMC305)orAP ALTSoftkeyALT nnnnn fTVerticalSpeedMaintains the current aircraftvertical speed; may be used toclimb/descend to the SelectedAltitudeVS Key(GMC305)orAP VSSoftkeyVS nnnn fpm 100 fpmIndicatedAirspeed(IAS)Maintains the current aircraftairspeed in IAS while the aircraftis climbing/descending to theSelected AltitudeIAS Key(GMC305only)IAS nnn kT 1 kt
