To Key in the Active Depth

Do one of the following:

Key in ACTIVE ZDEPTH ABSOLUTE <depth>.

or
Key in AZ= <depth>.

Depth is the distance in working units along the view z-axis from the Global Origin to the desired Active Depth.
Select the view(s).
If Depth 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.