| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | 2-light front lights, dynamo, third front light (AUX1) | 19 | 403 | |
| F1 | Sound on/off | 1, 2, 24 | 259, 267, 443 | |
| F2 | whistle (short whistle) | 16 | 379 | |
| F3 | smoke generator (AUX2) | |||
| F4 | turbo fan for coal dust firing | 5 | 291 | |
| F5 | air pump | 6 | 299 | |
| F6 | acceleration/brake time, shuting mode/shunting speed | |||
| F7 | curve squeal | 15 | 371 | |
| F8 | empty of the firebox | 14 | 363 | |
| F9 | blow out | 9 | 323 | |
| F10 | conductors signal | 10 | 331 | |
| F11 | coupler sound | 8 | 315 | |
| F12 | sanding | 11 | 339 | |
| F13 | brake set | 13 | 355 | |
| F14 | water pump | 21 | 419 | |
| F15 | injector | 20 | 411 | |
| F16 | safety valve | 12 | 347 | |
| F17 | rail clank | 17, 18 | 387, 395 |