Understand the User Coordinate System (UCS)
 
 
 

To restore a named UCS

  1. Click Tools menu Named UCS.At the Command prompt, enter ucsman.
  2. In the UCS dialog box, Named UCSs tab, you can view the origin and axis direction of a listed UCS. Select the UCS name. Click Details.

    When you have finished viewing the list, click OK to return to the UCS dialog box.

  3. Select the coordinate system you want to restore. Click Set Current.
  4. Click OK.
 Toolbar: UCS 
 Command entry: UCSMAN