3D Camera

In first place when you enter in-game the 3D Cam is disabled.

To enable and disable it you may use F9 button on your keyboard.
Zoom in and Zoom out can be done through the scroll button of your mouse.

To move the 3D View hold scroll button and move your mouse in desired position.
If you want to back to normal view type End button from your keyboard.

Keys:
F9 - ON/OFF
END - Default view
Mouse Scroll - Zoom In/Out
Push Mouse Scroll and Move Mouse - Rotate