Navman TRACKER 5100I Installation And Operation Manual

Navman TRACKER 5100I Installation And Operation Manual Manual pdf 18 page image

18 TRACKER 5100/5100i/5500/5500i Installation and Operation ManualNAVMANthat can be received by a special receiver on theboat. Differential beacons are usually onlyinstalled near ports and important waterways,and each beacon has a limited range. Theaccuracy of the corrected GPS position istypically better than 2 to 5 m (6 to 16 ft).To use differential beacon DGPS, the TRACKERmust be installed with an external DGPS antenna,such as the NAVMAN DGPS 1 (see section 15-3).StartupEach time a GPS receiver is turned on, it normally takesabout 50 seconds before it outputs the first position.Under some circumstances it will take up to two minutesor longer.The satellite display has information about the GPSsatellites and GPS position.To go to the satellite display, press DISP and selectSatellite.7-1 Satellite displayTime & date from GPSsatellites. Time is local time(UTC (GMT) plus localoffset, see section 13-9).Boat position.HDOP: The error in theGPS position caused bysatellite geometry. A lowvalue indicates a moreprecise fix, a high value aless precise fix.Status of GPS antenna, for example Acquiring, GPS fix, NoGPS. If the unit is in Simulate mode it displays Simulate (seesection 2-6).Positions of visible GPSsatellites:Outer circle is horizonInner circle is 45°elevationCentre is directly aboveNorth is at top ofdisplayIf the boat is moving, COGis a line from centre.Signal strengths of up totwelve visible GPSsatellites. The higher thebar the stronger the signal.The satellite display shows:When the TRACKER is turned on, the satellitedisplay is shown automatically while the GPSantenna starts up.