Getting Started with the Map Viewer : Using the map viewer : Changing the coordinate system
  
Changing the coordinate system
If the map administrator has configured additional coordinate systems for the map viewer, you can select any of the available coordinates systems to display the coordinates associated with the selected system.
1. In the bottom-right corner of the map viewer, select the Change Coordinate System icon .
2. Select a different coordinate system, if available, from the Display Coordinates window. The coordinates for the mouse cursor location change to reflect the selected coordinate system.