Garmin GPS 152H Owner's Manual - Page 18

Settings Map Tab > Points Subheading • Text-sets the screen size of the name of the waypoint, the active route, the marine navaid, or the geo point on the Map page and the Highway page. • Zoom-sets the maximum scale at which the feature should appear on the Map page. Map Tab > Other Subheading • Acc. Circle (Accuracy Circle)-represents the approximate accuracy of the unit. Your location is indicated in the center of the circle. • Heading Line-draws an extension line from the bow of the boat in the direction of travel. • Bearing Line-shows the bearing from your current location to a destination waypoint. Selecting a distance sets the scale at which the bearing line will appear on the screen. • Course Line-shows a navigation line from the point where navigation was initiated to a destination waypoint. Selecting a distance sets the scale at which the course line will appear on the screen. Using the Systems Tab From any Main page, press Menu twice and highlight Page. • Beeper-selects when the unit makes audible sounds. • Speed Filter-averages the speed readings of your boat over a period of time for smoother speed values. You can select Auto, or select On to specify the number of seconds you want the filter to average. • Language-selects the system language. • System Mode-allows you to select simulator mode (page 23) or normal mode. Using the Units Tab The Units tab allows you set units of measure for various values, the map datum, and the heading reference. From any Main page, press Menu twice and highlight Units. • Position Format-changes the coordinate style in which a given location reading appears. Do not change the position format unless you are using a map or chart that specifies a different position format. • Map Datum-changes the coordinate system in which the map is structured. Do not change the map datum unless you are using a map or chart that specifies a different map datum. 14 GPS 152H Owner's Manual