Garmin G3X Pilot’s Guide 190-01115-00 Rev. G224Additional FeaturesSystemOverviewFlightInstrumentsEISCNSInterfaceGPSNavigationFlightPlanningHazardAvoidanceAdditionalFeaturesIntegratedAutopilotAnnun/AlertsAppendixIndexSynthetic Vision on PFDZero PitchLine (ZPL)FlightPathMarkerAirportRunwayPATHWAYSNOTE: Pathways and terrain features are not a substitute for standardcourse and altitude deviation information provided by the CDI, VSI, andVDI.NOTE: Pathways boxes may not be displayed for holding patterns,procedure turns and certain portions of the flight plan being receivedfrom an external GPS navigator.Pathways provide a three-dimensional perspective view of the selected route offlight shown as colored rectangular boxes representing the horizontal and verticalflight path of the active flight plan. The box size represents 700 feet wide by 200 feettall during enroute, oceanic, and terminal flight phases. During an approach, the boxwidth is 700 feet or one half full scale deviation on the HSI, whichever is less. Otherthan the descending portion of an ILS or WAAS GPS approach (starting from the legleading into the FAF), pathways boxes are shown at the level of the altitude bug.