Access: Click
the Filter UCS
icon 
.
The UCS Manager dialog enables you to select or unselect individual or multiple UCSs from the UCS Manager by using the appropriate check box.
In the example below, UCS19_1 is highlighted, indicating that it has been selected:
If one or more UCSs are selected before activating the UCS Manager (or selected in a previous UCS Manager session), these UCSs are automatically displayed when the UCS Manager is run and their selection boxes are checked.
For example, in the above dialog UCS19_1 is selected. If the UCS Manager is closed and then re-opened, the selected UCS is automatically displayed and its selection box is checked, as follows:
