9-28Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. KForewordGettingStartedAudio &Xpdr CtrlCom/NavFPLDirect-ToProcWpt InfoMapTrafficTerrainWeatherNearestServices/MusicUtilitiesSystemMessagesSymbolsAppendixIndex9.6.3.1 Traffic Audio1. While viewing the TCAD Control menu, touch the TrafficAudio key.Touch To RaiseThe VolumeTouch To LowerThe VolumeBar Graph Showing Volume LevelFigure 9-23 TCAD Traffic2. 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.9.6.3.2 Field Elevation1. While viewing the TCAD Control menu, touch the FieldElevation key.Touch To AutomaticallySelect The DestinationAirport Field ElevationTouch To ManuallySet Field ElevationFigure 9-24 TCAD Traffic Field Elevation Selection2. 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.3. Touch the Enter key to accept the selected value. The selectedvalue will be shown in the Field Elevation key.4. Touch the Use DEST APT key to automatically use the fieldelevation of the destination airport of the active flight plan fortraffic reporting.NOTE: Activating the Use DEST APT feature automatically uses theelevation for the current destination airport for the TCAD. If no destinationairport is present in the GTN system, the TCAD will not receive a fieldelevation and therefore not automatically enter approach mode.
