You can view objects from any viewing direction by holding down mouse or other pointing device and moving dynamically. With dynamic viewing, you can display the effects of changing viewpoint while you change the view.
You can execute move or zoom operations as the 3D Orbit is active.
When the 3D Orbit is active, you are not allowed to modify objects. To close 3D Orbit, press Enter, ESC or choose Exit from the shortcut menu.
System Variables Reference
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