You can use the following keyboard shortcuts to manipulate objects in the Viewer window.
| Action | Keyboard Shortcut | 
|---|---|
| Parenting mode | P | 
| Translate selection | T | 
| Drag | F1 | 
| Rotate selection | R | 
| Rotate additive | F4 | 
| Rotate axis | F5 | 
| Rotate around | C | 
| Scale uniform | S | 
| Switch to wireframe | Shift-W | 
| Switch to lighted | Shift-E | 
| Switch to textured | Shift-R | 
| Switch to textured and shaded | Shift-T |