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 | Ctrl-W | 
| 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 object selection | O | 
| Switch to vertex selection (When Skins window is open) | V | 
| Switch to Pivot Selection | Shift-O | 
| Switch to Parenting mode | P | 
| Find models by name | Shift-N | 
| Pan camera | Alt-middle-drag | 
| Zoom camera | Z-drag |