16-7190-01007-03 Rev. C GTN 725/750 Pilot’s GuideForewordGettingStartedAudio &Xpdr CtrlCom/NavFPLDirect-ToProcChartsWpt InfoMapTrafflcTerrainWeatherNearestServices/MusicUtilitiesSystemMessagesSymbolsAppendixIndex16.2 GPS Status16.2.1 GPS Status PageThe GPS Status Page provides a visual reference of GPS receiver functions,including current satellite coverage, GPS receiver status, position accuracy, anddisplays your present position (in latitude and longitude) and altitude. The GPSStatus Page also displays the current UTC time at the top right of the page.The Satellite Status Page is helpful in troubleshooting weak (or missing) signallevels due to poor satellite coverage or installation problems. You may wish torefer to this page occasionally to monitor GPS receiver performance and establisha normal pattern for system operation. Should problems occur at a later date, youmay find it helpful to have an established baseline from which to compare.1. While viewing the System page, touch GPS Status.GPS Receiver StatusSky Viewof satellitepositionsSignal StrengthBars Satellite NumbersHorizontalFigure of MeritEstimated PositionUncertaintyAcquiringSatellite, notready for useSatelliteacquiredand used forposition fix Satellite acquired,used for position fix,and has differentialcorrectionsCurrent UTC TimeVertical Figureof MeritLat/Lon PositionGPS AltitudeHorizontal Dilutionof PrecisionGround SpeedPhase of FlightSBAS SelectionTrackedSatellite, notusedFigure 16-5 GPS Status Page2. If desired, touch the SBAS key to select an SBAS provider. TheSBAS list is based on the Aviation database.
