Understand the User Coordinate System (UCS)
 
 
 

To save a UCS

  1. Click Tools menu Named UCS.At the Command prompt, enter ucsman.

    The new UCS is displayed in the UCS list as UNNAMED.

  2. In the UCS dialog box, Named UCSs tab, select UNNAMED and enter a new name. (You can also select UNNAMED, and right-click. Click Rename.)
  3. Click OK.

    You can use up to 255 characters, including letters, digits, and the special characters dollar sign ($), hyphen (-), and underscore (_). All UCS names are converted to uppercase.

 Toolbar: UCS 
 Command entry: UCSMAN