Autodesk AUTOCAD 2006, Command Reference Manual, Page: 1251 / 1490

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Restores the previous UCS. The program retains the last 10 coordinate systems
created in paper space and the last 10 coordinate systems created in model
space. Repeating the Prev option steps back through one set or the other,
depending on which space is current.
If you have saved different UCS settings in individual viewports and you switch
between viewports, the different UCSs are not retained in the Previous list.
However, if you change a UCS setting within a viewport, the last UCS setting
is retained in the Previous list. For example, changing the UCS from World
to UCS1 would retain World at the top of the Previous list. If you then switch
viewports with Front as the current UCS, and then change the UCS to Right,
the Front UCS is retained at the top of the Previous list. If you then choose
the UCS Previous option twice in this viewport, the UCS setting changes to
Front, and then back to World. See the UCSVP system variable.
Restore
Restores a saved UCS so that it becomes the current UCS. Restoring a saved
UCS does not reestablish the viewing direction in effect when the UCS was
saved.
Enter name of UCS to restore or [?]: Enter a name or enter ?
Name
Specifies a named UCS.
?—List UCSs
Lists the names of currently defined UCSs.
Enter UCS name(s) to list <*>: Enter a name list or press ENTER to list all UCSs
Save
Saves the current UCS to a specified name. The name can have up to 255
characters and can include letters, numbers, blank spaces, and any special
character not used by Microsoft
®
Windows
®
and this program for other
purposes.
Enter name to save current UCS or [?]: Enter a name or enter ?
Name
Saves the current UCS with the specified name.
?—List UCSs
Lists the names of currently defined UCSs.
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