| Scroll | Navigate slices |
| Shift + Scroll | Zoom (to cursor) |
| Shift + Drag | Pan (when zoomed) |
| Double-click | Reset zoom/pan |
| + / - | Zoom in/out |
| Arrow keys | Navigate slices |
| Escape | Close tour/dialog, clear rectangle |
| Click + Drag | Draw rectangle |
| 3D mode click | Set crosshair position |
| Right-drag | Adjust Window/Level (↔ width, ↕ center) |
| Shift+Right-click | Reset Window/Level |