| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | Front light, dynamo | 4 | 283 | |
| F1 | Sound on/off, boiler noise | 1, 9 | 259, 323 | |
| F2 | whistle | 3 | 275 | |
| F3 | coupler | 6 | 299 | |
| F4 | AUX1 | |||
| F5 | injector | 11 | 339 | |
| F6 | Acceleration/brake time, Shuting Mode/Shunting speed | |||
| F7 | air pump | 5 | 291 | |
| F8 | slow air pump | 13 | 355 | |
| F9 | water pump | 12 | 347 | |
| F10 | coal shoveling | 7 | 307 | |
| F11 | short whistle | 10 | 331 | |
| F12 | safety valve | 8 | 315 | |
| F13 | Front light, Rear light |