| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | Front light, dynamo | 19 | 403 | 5 |
| F1 | Sound on/off | 1, 2, 24 | 259, 267, 443 | 128, 128, 128 |
| F2 | medium pitched whistle | 3 | 275 | 128 |
| F3 | bell | 4 | 283 | 128 |
| F4 | coal shoveling | 5 | 291 | 128 |
| F5 | airpump | 6 | 299 | 128 |
| F6 | Acceleration/brake time, Shuting Mode/Shunting speed | |||
| F7 | curve squeal | 15 | 371 | 128 |
| F8 | AUX1 | |||
| F9 | blow out | 9 | 323 | 128 |
| F10 | conductors signal | 10 | 331 | 128 |
| F11 | coupler sound | 8 | 315 | 128 |
| F12 | sanding | 11 | 339 | 128 |
| F13 | brake set | 13 | 355 | 128 |
| F14 | station announcement #1 | 7 | 307 | 128 |
| F15 | whistle short | 16 | 379 | 128 |
| F16 | safety valve | 12 | 347 | 128 |
| F17 | railclank | 17, 18 | 387, 395 | 128, 128 |
| F18 | dumping | 14 | 363 | 128 |
| F19 | water pump | 21 | 419 | 128 |
| F20 | injector | 20 | 411 | 128 |