Garmin G3X Pilot’s Guide 190-01115-00 Rev. K232Hazard AvoidanceSystemOverviewFlightInstrumentsEISCNSInterfaceGPSNavigationFlightPlanningHazardAvoidanceAdditionalFeaturesAFCSAnnun/AlertsAppendixIndexTERRAIN SETTINGSUse the terrain settings to set levels for terrain alerts as well as obstacles in ornear your flight path.• Caution Elevation—The G3X will provide an alert if the terrain or obstacle iswithin the default Caution Elevation or user-defined Caution Elevation.• Look Ahead Time—Determines the maximum time when an alert annunciationoccurs. For example, if 120 seconds is selected, the G3X provides an alert up to120 seconds before you reach the terrain or obstacle.• Alert Sensitivity—The three Alert Sensitivity settings (Terrain, Obstacle, andDescent Rate) determine what level of alerts are annunciated. The G3X defaultsto ‘High’ sensitivity, which annunciates all red and yellow alerts at the time set inLook Ahead Time. ‘Medium’ sensitivity annunciates all of the red and the highestpriority of yellow alerts. ‘Low’ only annunciates red alerts. ‘Off’ disables the alert.Accessing the terrain settings:1) On the Terrain Page, press the SETTINGS Softkey.2) Move the FMS Joystick to highlight the desired field.3) Turn the FMS Joystick to make changes to the highlighted field.4) With ‘Done’ highlighted press the ENT Key, or press the CLR Key to acceptthe changes and exit the Terrain Setup window.Terrain Setup
