| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | Front light | |||
| F1 | Sound on/off, Fan Sound | 1, 2 | 259, 267 | 128, 128 |
| F2 | airhorn signal | 3 | 275 | 128 |
| F3 | conductor's signal | 6 | 299 | 128 |
| F4 | low pitched airhorn | 5 | 291 | 128 |
| F5 | high pitched airhorn | 4 | 283 | 128 |
| F6 | Acceleration/brake time, Shuting Mode/Shunting speed | |||
| F7 | air pump | 7 | 307 | 128 |