Garmin G3X Pilot’s Guide190-01115-00 Rev. K99Flight InstrumentsSystemOverviewFlightInstruments EISCNSInterfaceGPSNavigationFlightPlanningHazardAvoidanceAdditionalFeatures AFCS Annun/Alerts Appendix Index4) Turn the FMS Joystick to select the desired unit (Fahrenheit (°F) orCelsius (°C)).5) Press the FMS Joystick, the CLR Key, the EXIT Softkey or the MENU Key toreturn to the previous page.WIND DATAWind direction/speed or headwind/Crosswind information can be displayed in awindow to the upper left of the HSI. When the window is selected for display, butwind information is invalid or unavailable, the window displays “No Wind Data”.Showing/hiding wind data:1) From the full-screen PFD and/or split-screen PFD Page, press the MENUKey.2) Move the FMS Joystick to highlight the Wind Vector field.3) Turn the FMS Joystick to highlight ‘Speed/Dir’ or ‘Head/X-wind’.Wind DataWindSpeed andDirectionHeadwindandCrosswindANGLE OF ATTACK (AOA)G3X installations that include a GAP 26 and a GSU 25, Angle of Attack informationcan be displayed on the PFD. Refer to the G3X Installation Manual for the Angle ofAttack Calibration procedure. During Angle of Attack Calibration Stall Warning AOA,Caution Alert AOA, Minimum Visible AOA, and Approach Target AOA are defined.