Some dual-function keys share keys with letter keys and numeric keys. Such keys do not have a dedicated printed icon. The following table lists the hidden functions of these keys.
| Key combination | Hidden function |
|---|---|
| Fn + B | Breaks |
| Fn + P | Pauses |
| Fn + S | SysRq |
| Fn + K | ScrLk |
| Fn + Q | Switches operation modes |
| Fn + R | Switches between different display refresh rate |
| Fn + N | Shows device information |