AutoCAD 2008 User's
Guide > Share Data Between
Drawings and Applications > Work with Data in
Other Formats > Import, Attach, or
Open Other File Formats > Attach DGN Files as
Underlays > Adjust DGN Underlay
Appearance and Clipping Boundaries > Adjust DGN Underlay
Fade, Contrast, and Monochrome >
Adjust DGN Underlay Fade, Contrast, and Monochrome
