Garmin Foretrex 201 Owner's Manual

Also see for Foretrex 201: Quick start guide

Contents

48Main PagesMap DatumsA map datum is a reference model of the earth’s shape. Every map uses a map datumwhich is usually listed in the title block of the map. The default datum in the Foretrex 201is WGS 84 (World Geodetic Survey, 1984). You should only change the datum if you areusing maps or charts that specify a different datum. Choose the ‘USER’ datum if using amap with custom-designed grids.NOTE: The ‘USER’ datum is based on a WGS-84-Local datum and is an advancedfeature for unlisted or custom datums. To learn more, check your local library orthe Internet for educational materials on datums and coordinate systems.To change the Map Datum:1. Press the PAGE button until the Main Menu Page is displayed. Use the UP and DOWNbuttons to highlight ‘SETUP’ and press ENTER.2. Use the UP and DOWN buttons to highlight ‘SET UNITS’ and press ENTER.3. Press the UP or DOWN button to highlight the ‘MAP DATUM’ field and press theENTER button.4. Press the UP or DOWN button to highlight the desired datum and press the ENTERbutton.5. Press the PAGE button to return to the Main Menu page.Setup Menu: Set UnitsSet Units PageSelecting the Map Datum