| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | directional front light | 19 | 403 | 4 |
| F1 | sound on/off | 1, 2, 24 | 259, 267, 443 | 128, 128, 85 |
| F2 | whistle | 3 | 275 | 128 |
| F3 | smoke generator on/off | |||
| F4 | automatic coupler | 8 | 315 | 70 |
| F5 | front light off | |||
| F6 | rear light off | |||
| F7 | cab light | 19 | 403 | 4 |
| F8 | shunting illumination + shunting mode | 19 | 403 | 4 |
| F9 | bell | 4 | 283 | 85 |
| F10 | coal shoveling + fire box flickering | 5 | 291 | 25 |
| F11 | announcement conductor: "shut the doors!" | 7 | 307 | 128 |
| F12 | disable/enable brake squeal sound | |||
| F13 | turbo generator off/on | |||
| F14 | cylinder blow off | 9 | 323 | 80 |
| F15 | riggenbach back pressure brake | 16 | 379 | 80 |
| F16 | conductor's signal | 10 | 331 | 70 |
| F17 | air pump | 21 | 419 | 85 |
| F18 | curve squeal sound on/off | 15 | 371 | 50 |
| F19 | dumping | 14 | 363 | 55 |
| F20 | sanding valve | 11 | 339 | 50 |
| F21 | air pump | 6 | 299 | 25 |
| F22 | injector | 20 | 411 | 70 |
| F23 | rail clank sound on/off | 17 | 387 | 35 |
| F24 | announcement: "pull forward!" | 22 | 427 | 128 |
| F25 | brake set/release | 13 | 355 | 40 |
| F26 | water refill | 18 | 395 | 70 |
| F27 | safety valve | 12 | 347 | 128 |
| F28 | soundfader (tunnel mode) |