To Key in a View's Display Depth

Do one of the following:

Key in SET DDEPTH ABSOLUTE front, back.

or
Key in DP= front,back.

Front and back are the distances, in working units, along the view z-axis from the Global Origin to the desired front and back clipping planes.
Select the view(s).
If the Active Depth is not within the range specified by the Display Depth, the Active Depth is automatically changed to the front clipping plane.