10-39190-01004-03 Rev. F Garmin GTN 625/635/650 Pilot’s GuideForewordGettingStartedXpdr CtrlCom/NavFPLDirect-ToProcWpt InfoMapTrafflcTerrainWeatherNearestServices/MusicUtilitiesSystemMessagesSymbolsAppendixIndex- Excessive Descent Rate (EDR) Alerting- Excessive Closure Rate (ECR) to Terrain Alerting- Flight Into Terrain (FIT) Alerting- Negative Climb Rate (NCR) after takeoff Alerting- Excessive below Glideslope/Glidepath Deviation (GSD) Alerting- Altitude Voice Call Out (VCO) Alerting10.5.1.1 Displaying TAWS-A DataTAWS-A uses yellow (caution) and red (warning) to depict terrain andobstacle (with a height greater than 200 feet above ground level, AGL) alertsrelative to aircraft altitude. Colors are adjusted automatically as the aircraftaltitude changes. The colors and symbols in Figure 10-11 and Tables 10-7 and11-12 are used to represent terrain, obstacles, and threat locations.Threat LocationUnlighted ObstacleProjected Flight Path1000 ft100 ft ThresholdTerrain more than 1000 ft below the aircraft altitude (Black)Terrain between 100 ft and 1000 ft below theaircraft altitude (Yellow)Terrain above orwithin 100 ftbelow the aircraftaltitude (Red)Figure 10-28 Terrain Altitude/Color Correlation for TAWS-AAlert Level Annunciator Text Threat LocationIndicatorExample Visual AnnunciationWarning White text on redbackgroundCaution Black text on yellowbackgroundInformational Black text on whitebackgroundNot ApplicableTable 10-11 TAWS-A Alert Colors and Symbology