Garmin G3X Pilot’s Guide190-01115-00 Rev. G 109CNS InterfaceSystemOverviewFlightInstruments EISCNSInterfaceGPSNavigationFlightPlanningHazardAvoidanceAdditionalFeaturesIntegratedAutopilot Annun/Alerts Appendix IndexSECTION 4 CNS INTERFACE4.1 AUTO-TUNING FREQUENCIES (OPTIONAL)NOTE:Refer to the G3X Installation Manual for more information on the G3Xoptional communication interfaces.Frequencies can be automatically tuned from the following:• Map Page• Weather Page• Waypoint Page• Nearest Airports Page• Nearest Airport Weather Page• Nearest ARTCC Page• Nearest FSS Page• Nearest Airspace PageAuto-tuning a frequency from the Nearest Pages:1) Press the NRST Key to display the Nearest Pages.2) Turn the FMS Joystick to select the Nearest (Airports, Airport Weather,ARTCC, FSS, or Airspace) Page.3) From the Nearest ARTCC or Nearest FSS, move the FMS Joystick tohighlight the desired frequency.Nearest ARTCC (Split-Screen) Nearest FSS (Split-Screen)Or:a) From the Nearest Airport Weather Page, highlight the desired airportweather, and press the ENT Key.b) With the Weather Information Page displayed, press the INFO Softkey.c) Move the FMS Joystick to highlight the desired frequency.