| →, Space, Page Down | Next slide (a presentation clicker works too) |
| ←, Page Up | Previous slide |
| 1 – 4 | Side by side, one above the other, small window, one side only |
| X | Swap the two sides |
| D | Pen on and off; Esc puts it away |
| P | Freeze the visualiser |
| F | Full screen |
| Ctrl + Z | Undo the last line you drew |
Drag the bar between the two sides to change their sizes. In the small-window layout, drag the window by its top edge, and pull any edge or corner to make it bigger or smaller. Writing on a slide stays with that slide as you move back and forth.
Your layout is remembered, and so is the last presentation you opened on this computer.