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systems for the active viewport during the current editing session, a Previous
entry is next. You can step back through these coordinate systems by selecting
Previous and Set Current repeatedly.
To add a UCS name to this list, use the Save option of the
UCS (page 1106)
command.
Delete (-) Deletes a named UCS. You cannot delete the World or Previous
UCS.
Options
Manages the selected UCS in the dialog box.
Set Current Restores the selected coordinate system.
Rename Renames a customized UCS. You cannot rename the World UCS.
Details Displays the
UCS Details dialog box (page 1121), which displays UCS
coordinate data.
Changes the UCS to one of the orthographic UCS settings.
Current UCS
Displays the name of the current UCS. If the UCS has not been saved and
named, it is listed as UNNAMED.
Orthographic UCS Names
Lists the six orthographic coordinate systems defined in the current drawing.
The orthographic coordinate systems are defined relative to the UCS specified
in the Relative To list.
 Name. Specifies the name of the orthographic coordinate system.
1118 | Chapter 2 Commands