In the Find dialog box, you can click the Of Objects button (...) to open the Of Objects dialog box, which enables you to specify a particular object to search. The following figure shows the Of Objects dialog box settings for a search for a specific slice.
Figure 1. Finding an Object
After specifying the slice, you can search for the occupied BELs, as shown in the following figure.
Figure 2. Finding Occupied BELs within a Slice
