To Key in the Distance to Move the Active Depth

Do one of the following:

Key in ACTIVE ZDEPTH RELATIVE <distance>.

or
Key in DZ= <distance>.

Distance is the distance, in working units, to move the Active Depth along the view z-axis.
Select the view(s).
If distance is not within the view's Display Depth, the Active Depth is automatically changed to the front clipping plane. The change is indicated in the status bar.