9-35190-01004-03 Rev. F Garmin GTN 625/635/650 Pilot’s GuideForewordGettingStartedXpdr CtrlCom/NavFPLDirect-ToProcWpt InfoMapTrafflcTerrainWeatherNearestServices/MusicUtilitiesSystemMessagesSymbolsAppendixIndex9.8.3.1 Traffic Audio1. While viewing the TCAD Control menu, touch the TrafficAudio key.Touch To RaiseThe VolumeTouch To LowerThe VolumeBar Graph Showing Volume LevelFigure 9-33 TCAD Traffic Audio2. Touch the arrow keys to raise or lower the TCAD Traffic Audiolevel. The selected volume will be shown as a percentage valueand graphically with a bar graph.3. Touch the Back key to return to the TCAD Control menu.9.8.3.2 Shield SetupThe Shield Setup function allows you to select the Shield Type (mode ofoperation) and the size of the shield volume that will provide alerts whenentered by aircraft.Approach Shield Type1. While viewing the TCAD Control menu, touch the Shield Typekey and touch the Approach Shield Type.Touch To AutomaticallySelect The DestinationAirport Field ElevationTouch To ManuallySet Field ElevationTouch To SelectShield Type:Approach orStandardFigure 9-34 TCAD 9900BX Shield Setup for Approach2. Touch the Field Elevation key.3. With the Use DEST APT key deactivated (no green bar), touchthe Field Elevation key to manually select the Field Elevationfor traffic reporting. Use the keypad to select the elevationvalue.
