Magellan 100 User Guide

Position data will be displayed in the coordinate system chosen in Map Units.  The default
system is latitude/longitude (Lat/Lon) and should be fine for most users.  Experienced
navigators will want to select a coordinate system that matches the maps or charts they are
using.  Coordinate systems that can be selected are:

• Lat/Lon

• UTM

• OSGB

• Irish

• Swiss

• Swedish

• Finnish

• German

• French

• USNG

• MGRS

• User Grid

1.

Press MENU.

2.

Use the Arrow joystick to highlight 

Preferences.

3.

Press ENTER.

4.

Use the Arrow joystick to highlight 

Map Units.

5.

Press ENTER.

6.

Use the Arrow joystick to highlight the data field for 

Coord

System.

7.

Press ENTER.

8.

Use the Arrow joystick to highlight the desired coordinate
system.

If User Grid is selected, additional information is required.
This option will be used only by experienced users and is
not described in this manual.

9.

Press ENTER.

The 

Map Units screen is displayed with the new 

Coord System shown.  You can change

other settings or press ESC to return to the 

Preferences menu.