To Edit or Delete a Global Coordinate System

To modify or delete a coordinate system

1. Click Map Setup tabCoordinate System panelCoordinate System Library.
2. In the Coordinate System Library, select the coordinate system to modify or delete.

   You can modify and delete only user-defined coordinate systems. To modify a default coordinate system, duplicate it first.

3. To modify the coordinate system, click Edit. See Create Coordinate System Wizard for information about the fields in the dialog box.

   To delete the coordinate system, click Delete.