Using Edit Filter
A filter allows you to display the CAD Document that interest you. For example, if you have a large package collection, you can apply a filter to show only objects of a certain type. The edit filters 
action launches the Edit Filters window, which displays the filters available for your CAD Documents.
action launches the Edit Filters window, which displays the filters available for your CAD Documents.Use the following procedure to apply filters:
1. Click the edit filters icon or select Edit Filters from the Actions menu.
or select Edit Filters from the Actions menu.The Edit Filters window opens.
2. Select a tab from the top of the window to set the filter. Depending on your site’s configuration and the object from which you launched the Edit Filters window, the filters available may vary.
3. Click OK to apply your filters and close the window.
For more information on using the Edit Filter, refer Using Edit Filter.