| To Do | You have to do |
| Zoom In | Roll the wheel forward. |
| Zoom Out | Roll the wheel backward. |
| Zoom Extents | Double-click the wheel button. |
| Pan | Hold down the wheel button and drag the mouse. |
| Constrained Orbit | Press and hold the SHIFT key and the wheel button and drag the mouse. |
| Pan (Joystick) | Press and hold the CTRL key and the wheel button and drag the mouse. |
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