Garmin G3X Pilot’s Guide 190-01115-00 Rev. F240Integrated AutopilotSystemOverviewFlightInstrumentsEISCNSInterfaceGPSNavigationFlightPlanningHazardAvoidanceAdditionalFeaturesIntegratedAutopilotAnnun/AlertsAppendixIndexNOTE: In a multiple display configuration, the external autopilot unit is connectedto a single GDU (most likely the PFD). In the event that the GDU connected tothe external autopilot unit fails, the integrated autopilot capability will be lost;however, the external autopilot unit will retain any standalone functionality it maysupport on its own.9.1 INTEGRATED AUTOPILOT OPERATIONCONTROLSINTEGRATED AUTOPILOT SPLIT-SCREEN PFD PAGE & FULL-SCREEN PFD SOFTKEYSNOTE: Unless otherwise specified, all mode softkeys are alternate action (i.e.,press on, press off).HDG/ROLLHDG/ROLLALT/PTCHAP HDG AP NAV ALT/PTCHAP ALTAP VSAP VNAVHDG/ROLLALT/PTCH(AP APPR)