Navman TRACKER 5100I Installation And Operation Manual

Navman TRACKER 5100I Installation And Operation Manual Manual pdf 27 page image

27TRACKER 5100/5100i/5500/5500i Installation and Operation ManualNAVMAN13-2 Chart setupRotationThe options for chart rotation are:North up: North is always at the top of thechart display.Track up: The chart is rotated so that the boatdirection is to the top of the display. This optionis useful for navigating narrow harbours orrivers. The TRACKER asks for a coursedeviation; this is how much the boat directionneeds to change to make the chart redraw.Tip: If the chart redraws too frequently,increase the course deviation setting.Course up: This option is only available if theboat is navigating to a destination. The chart isrotated so that the plotted course to thedestination is vertical.Projected courseThe TRACKER can estimate the course after a giventime, based on the current speed and heading (seesection 3-4). The options are 2 minutes, 10 minutes,30 minutes, 1 hour, 2 hours or Off.CDI ScaleThe CDI Scale is described in appendix C, CDI. Theoptions are 0.05, 0.1, 0.2, 0.5, 1.0, 2.0, 4.0 and 10.0distance units.Plotter modeOccasionally it is desirable to use a chart scale whichis not available on a chart card. Examples are:To zoom in to a small scale to track very smallboat movements.If there is no detailed chart for an area, forexample when crossing an ocean.If Plotter mode is On, then if the chart zooms to ascale which is not available, the TRACKER will enterplotter mode and will only display the boat positionand track (if enabled). Chart and map informationwill no longer be displayed and the display is whitewith black crosshatch lines.For normal use, turn Plotter mode to Off.Map datum and map shiftSatellite derived positions on the TRACKER arebased on a worldwide reference (datum) known asWGS84. Most paper charts are based on WGS84.However, some paper charts are not based onWGS84, which results in an offset between a positionon the TRACKER and the same position plotted onthe paper chart.To match the TRACKER’s positions with a local chartthat is not based on WGS84:Either select Map datum and select the datumfor the local chart. See appendix A for a list ofthe available datums. WGS84 is the defaultdatum, and the datum most commonly used onpaper charts.Or, if the correct datum is not available, retainthe WGS84 datum and apply a map shift (seebelow).Map shiftMap shift is a correction applied to the TRACKER’spositions so that they match a chart’s positions.Warning: Map shift is for eliminating minoroffsets. It should not be used if the correct datumis available. Use map shift with caution: incorrectapplication will cause incorrect boat positions.Set map shift1 Move the boat to a known point on the chart,for example a marina berth.2 In the Chart setup menu, select Map shift.3 Move the cursor to the position on the chartwhere the boat actually is.4 Press ENT to set the new map shift. The boatwill now be displayed at its actual location.Clear map shiftClearing the map shift removes any map shift fromthe TRACKER’s positions.1 In the Chart setup menu, select Map shift.2 Press MENU and select Clear.WaypointsControls how waypoints are displayed on the chart.The options are:Hide all: No waypoints are displayed.Show all: All waypoints are displayed.Selected: Waypoints with their display optionset to Icon or I+N (Icon and Name) aredisplayed (see section 9).Chart display optionsThe other chart setup options allow an extensiverange of chart card features to be shown. Configurethe most useful display format.Bathymetric Lines and soundingsChart cards contain a large amount of spot soundingand depth contour data. This can be selectivelydisplayed by turning Bathymetric Lines and SpotSoundings on, then selecting the range to displaywith Bath and Sndgs Min and Max.Attention AreasAreas of importance, such as restricted anchoragesand shallow areas, are highlighted as Attention Areas.