You can use the following keyboard shortcuts for working in the Viewer window.
| Action | Keyboard Shortcut | 
|---|---|
| Select number of views | Ctrl-1, 2, 3, or 4 | 
| Switch to full screen mode | Alt-Enter | 
| Switch to Perspective/Custom | Ctrl-E | 
| Switch/cycle to front/back | Ctrl-F | 
| Switch/cycle to right/left | Ctrl-R | 
| Switch/cycle to top/bottom | Ctrl-T | 
| Switch to/from Schematic view | 9 | 
| Camera switcher | Ctrl-I | 
| Frame selected objects | F | 
| Frame all objects | A | 
| Cycle Normal/Models Only/X-Ray displays | Ctrl-A | 
| Display performance statistics | Shift-F | 
| Display memory statistics | Shift-M | 
| Switch to Parenting mode /Find models by name | Shift-N | 
| Pan Camera | Z-click-drag | 
| Slide camera | Z-right-drag | 
| Dolly camera | P-click-drag | 
| Dolly camera with interest | P-right-drag | 
| Orbit camera around interest | O-click-drag | 
| Orbit interest around camera | O-right-drag | 
| Zoom camera | Z-middle-click drag | 
| Roll custom camera | L-click-drag | 
| Roll angle | L-right-drag |