Garmin G3X Pilot’s Guide190-01115-00 Rev. G 111CNS InterfaceSystemOverviewFlightInstruments EISCNSInterfaceGPSNavigationFlightPlanningHazardAvoidanceAdditionalFeaturesIntegratedAutopilot Annun/Alerts Appendix IndexAuto-tuning a frequency from the Map Page and Weather Page:1) Press the FMS Joystick on the Map Page (or PAN MAP Softkey on theWeather (WX) Page) to display the Map Pointer.2) Place the Map Pointer on a map feature (airport, METAR Flag, etc). Ifmultiple map features are present at the Map Pointer position (green arrowin the information box), turn the FMS Joystick to cycle through the list.3) Press the ENT Key to display the review page for the highlighted feature.4) If necessary, press the INFO Softkey to access the Airport Information Page.5) Move the FMS Joystick to highlight the desired frequency.6) Press the ENT Key to load the frequency into the standby field of the SL40.If the frequency has an * (additional information available) next to it, pressthe ENT Key a second time with ‘Tune’ highlighted.Auto-tuning a frequency from the Waypoint Page:1) From the Waypoint Page, enter the desired waypoint using the FMSJoystick.2) Move the FMS Joystick to highlight the desired frequency.3) Press the ENT Key to load the frequency into the standby field of the SL40.If the frequency has an * (additional information available) next to it, pressthe ENT Key a second time with ‘Tune’ highlighted.4.2 REMOTE TRANSPONDER INTERFACE(OPTIONAL)NOTE: If the aircraft is configured with a remote transponder rudder andaileron trim indicators are not available on the PFD. All trim gauges areavailable from the ENG page.The G3X is capable of interfacing with several remote transponders providingMode S interrogation and reply capabilities. Selective addressing or Mode Select(Mode S) capability includes the following features:• Level-2 reply data link capability (used to exchange information between aircraftand ATC facilities)