11-8GTN 725/750 Pilot’s Guide 190-01007-03 Rev. CForewordGettingStartedAudio &Xpdr CtrlCom/NavFPLDirect-ToProcChartsWpt InfoMapTrafflcTerrainWeatherNearestServices/MusicUtilitiesSystemMessagesSymbolsAppendixIndex11.3.5 Using TAWSDuring unit power-up, the terrain/obstacle database versions are displayed.At the same time, TAWS self-test begins. One of the following aural messages isgenerated:• “TAWS System Test OK” (not given if the aircraft is on the ground)• “TAWS System Failure”TAWS information can be displayed on the Map page. Terrain and obstacleswith heights greater than 200 feet Above Ground Level (AGL) are displayedin yellow and red. The GTN 7XX adjusts colors automatically as the aircraftaltitude changes.360ArcViewFlight PlanLegendLayersTAWS InhibitTest TAWSTAWSFigure 11-5 TAWS Page Functional Diagram11.3.6 Displaying TAWS DataTAWS uses yellow (caution) and red (warning) to depict terrain and obstaclesalerts relative to aircraft altitude. Colors are adjusted automatically as the aircraftaltitude changes. The colors and symbols shown below are used to representterrain, obstacles, and potential impact points.
