When
a drawing is in a Perspective view, starts the interactive 3D view
and enables you to drag the view horizontally and vertically.
Access Methods
Toolbar: 3D Navigation
Menu:
Shortcut menu: Start any 3D navigation command, right-click
in the drawing area, and click Other Navigation Modes

Pan (9).
Summary
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.