Garmin SOUNDER 125 Owner's Manual & Reference

Contents

Navigation SetupThe navigation setup page is used to select units ofmeasurement for position format, map datum, CDIscale, and distance, speed, and heading information.Position FormatsThe default position setting for the GPS 125Sounder is latitude and longitude in degrees and min-utes (hdddºmm.mmm’). You may also select degrees,minutes and seconds (hdddºmm’ss.s’’); degrees only(hddd.dddddº); UTM/UPS coordinates; or British,German, Irish, Maidenhead, Swedish, Swiss, or Taiwangrid formats.To select a position format:1. Highlight the ‘POSITION FRMT’ field and press F.2. Use the U and D keys to select the desired set-ting. Confirm the setting by pressing F.Map DatumsThe map datum field is located just below the posi-tion format field, and comes with a WGS 84 defaultsetting. Although 104 total map datums are availablefor use (see the map datum listing in Appendix D), youshould only change the datum if you are using maps orcharts that specify a different datum than WGS 84.To select a map datum:1. Highlight the ‘MAP DATUM’ field and press F.2. Use the U and D keys to toggle through andselect the desired setting. Confirm the setting bypressing F.CDI Scale SettingsThe course deviation indicator (CDI) scale defini-tion field lets you select the +/- range of the CDI barscale. Three scales are available: +/- 0.25, 1.25 and 5.0miles or kilometers, with 0.25 being the default setting.To enter a CDI scale setting:1. Highlight the ‘CDI SCALE’ field and press F.2. Use U and D to select the desired setting andpress F. 53The position format may beset to display your choice ofmany formats. Note: degreeand minutes is the defaultsetting.REFERENCENavigationSetupAdjusting the CDI Scale willdetermine the value used inthe Highway Page and forthe range rings on the MapPage (if displayed).