Original Post Date: December 2010
The concept of an active view was (re)introduced in MicroStation V8i and along with it came an important change to the Level Display dialog.
Rather than having the familiar panio keys to choose which view to apply the level display to.....
You're presented with a button to Apply to All Open Views and another to Apply to Selected View as shown:
To get the view index back, turn off Follow Active View from the behind he Dialog Properties button.