ii
GTN 650/750 Series SW V3.00 Upgrade Supplement 190- 01007-05 Rev A
4.4.3ī TCADī9900BīTrafī¬cīMenu....................................................... 23
4.4.3.1ī Trafī¬cīAudio ........................................................................... 23
4.4.3.2ī ShieldīSetup ........................................................................... 24
4.4.3.3ī ApproachīMode ..................................................................... 25
4.5ī TCADī9900BXīOperation ...................................................................... 26
4.5.1ī SelectīLocalīBarometricīPressure ............................................. 26
4.5.2ī SelectīAltitudeīFilter ................................................................ 27
4.5.3ī TCADī9900BXīTrafī¬cīMenu .................................................... 27
4.5.3.1ī Trafī¬cīAudio ........................................................................... 28
4.5.3.2ī ShieldīSetup ........................................................................... 28
4.5.3.3ī ApproachīMode ..................................................................... 29
4.5.3.4ī GroundīMode ......................................................................... 29
5 Weather ................................................................................................30
5.1ī GarminīGWXīRadarīDescriptionī(GTNī7XXīOnly) ................................... 30
5.1.1ī PrinciplesīofīPulsedīAirborneīWeatherīRadar ........................... 30
5.1.2ī AntennaīBeamīIllumination .................................................... 31
5.1.3ī RadarīSignalīAttenuation ........................................................ 32
5.1.4ī RadarīSignalīReīectivity ......................................................... 33
5.1.4.1ī Precipitation ........................................................................... 33
5.1.4.2ī GroundīReturns ...................................................................... 34
5.1.4.3ī AngleīofīIncidence .................................................................. 34
5.2ī RadarīOperatingīDistanceī
(GTN 7XX Only) .............................................................. 35
5.2.1ī MaximumīPermissibleīExposureīLevelī(MPEL)ī(GWXī68) .......... 35
5.2.2ī MaximumīPermissibleīExposureīLevelī(MPEL)ī(OtherīRadars) ... 35
5.3ī BasicīRadarīAntennaīTiltīSetupī(GTNī7XXīOnly) ..................................... 36
5.4ī RadarīWeatherīMappingīandīInterpretationī
(GTN 7XX Only) ............................. 37
5.4.1ī WeatherīdisplayīInterpretation ................................................ 37
5.4.2ī Thunderstorms ....................................................................... 38
5.4.3ī Tornadoes .............................................................................. 40
5.4.4ī Hail ........................................................................................ 40
5.5ī GWXīRadarīOperationīinīWeatherīModeī
(GTN 7XX Only)................................... 41
5.5.1ī ViewingīWeatherīonītheīWeatherīRadarīPage ......................... 42
5.5.2ī Conī¬guringīWeatherīRadarīPage ............................................ 43
5.5.3ī VerticallyīScanningīaīStormīCell .............................................. 44
5.5.4ī AdjustingītheīAntennaīTiltīAngle ............................................. 45
5.5.5ī AdjustingītheīBearingīLine ...................................................... 46
5.5.6ī AdjustingīGain ....................................................................... 47
5.5.7ī SectorīScan ............................................................................ 48