| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | Front light, AUX1 | |||
| F1 | Sound on/off, hiss short | 1, 9 | 259, 323 | 128, 128 |
| F2 | whistle signal | 3 | 275 | 128 |
| F3 | injector | 4 | 283 | 128 |
| F4 | air pump | 5 | 291 | 128 |
| F5 | sanding | 6 | 299 | 128 |
| F6 | Acceleration/brake time, Shuting Mode/Shunting speed | |||
| F7 |