#### To store a new set of surfaces:

1. Open the Edit CAD Elements dialog box (Edit | Graphics Display Window | CAD Elements).

2. Select the Set as Priority check box. If you've previously defined a set of surfaces, PC-DMIS will select them in the Graphics Display window.

3. With the Set as Priority check box selected, click the Deselect button and then click the Apply button. This essentially tells PC-DMIS to clear any stored surfaces.

4. Deselect the Set as Priority check box.

5. Select the new set of surfaces to store.

6. Select the Set as Priority check box.

7. Click the Apply button.

8. Click OK.