When a drawing is in a Perspective view, starts the interactive 3D view and enables you to drag the view horizontally and vertically.
Menu:
View
Pan
Realtime
Pan (9).
Toolbar: Status bar
Pan Moves in the direction that you drag. You can drag the view vertically, horizontally, or diagonally. 3DPAN changes the cursor to a hand cursor.
You can view your entire drawing or select objects before entering 3DPAN.