Garmin G3X Pilot’s Guide190-01115-00 Rev. K233Hazard AvoidanceSystemOverviewFlightInstruments EISCNSInterfaceGPSNavigationFlightPlanningHazardAvoidanceAdditionalFeatures AFCS Annun/Alerts Appendix IndexTERRAIN ALERTSTerrain, Obstacle, and Descent Rate Alerts are issued when flight conditions meetparameters that are set within the software algorithms. Terrain alerts typically employa CAUTION or a WARNING alert severity level, or both. When an alert is issued, visualannunciations are displayed and aural alerts are simultaneously issued. When theaircraft descends through 500 feet above the destination airport an audible “FiveHundred” altitude reminder occurs.If the Terrain Page is not displayed, a pop-up alert appears in the lower left corner ofthe page. The Range Rings on the pop-up alert are spaced every whole mile/kilometer/nautical mile. Press the CLR Key to acknowledge the pop-up and/or aural alert.Terrain and obstacle annunciations appear on the PFD and PFD Page in the upperleft corner of the Attitude Indicator. Arrows are depicted on the terrain and obstacleannunciations if terrain is outside the Synthetic Vision field of view.Terrain Annunciation on PFDArrows indicate the terrain isoutside the Synthetic Visionfield of view.Enabling/Disabling terrain alerts:From the Terrain Page, press the DISABLE Softkey.Or:1) From the Terrain Page, press the MENU Key to access the Page Menu.2) Turn or move the FMS Joystick to highlight ‘Disable Alerts’ or ‘EnableAlerts’ and press the ENT Key. Disabling terrain alerts is only temporary.Terrain alerts are automatically enabled when the unit is powered on.
