(This item pertains to the check boxes on the General tab of the Setup Options dialog box. You can open it through the F5 key or through the Edit | Preferences | Setup menu option.)
The Automatic label positioning check box tells PC-DMIS to automatically position feature labels around the part. Thereafter, feature ID labels will be repositioned whenever you perform pan, zoom, or rotate operations on the part model.
You can also turn on Automatic Label Positioning by right-clicking on a feature ID label and selecting Label Processing | Automatic Label Positioning from the shortcut menu.