Changes
the target of the view in the direction that you drag.
Access Methods
Toolbar: 3D Navigation
Menu:
Pointing device: Press Ctrl and click the mouse wheel
to temporarily enter 3DSWIVEL mode.
Shortcut menu: Start any 3D navigation command, right-click
in the drawing area, and click Other Navigations Modes ยป Swivel
(5).
Summary
Simulates panning with a camera in the direction
that you drag. The target of the view changes. You can swivel the
view along the XY plane or along the Z axis.
Camera 
