| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | headlights | |||
| F1 | sound on/off | 1, 2 | 259, 267 | 55, 128 |
| F2 | whistle | 3 | 275 | 128 |
| F3 | transformer fan (step: slow) | 5 | 291 | 90 |
| F4 | brake release/set brake | 13 | 355 | 50 |
| F5 | compressor | 6 | 299 | 60 |
| F6 | acceleration/brake time, shunting mode/shunting speed | |||
| F7 | curve squeal | 15 | 371 | 75 |
| F8 | AUX1 | |||
| F9 | compressed air let off | 9 | 323 | 50 |
| F10 | conductor's signal | 10 | 331 | 80 |
| F11 | coupler clank | 4 | 283 | 80 |
| F12 | sanding valve | 11 | 339 | 30 |
| F13 | transformer fan (step: fast) | 5, 20 | 291, 411 | 90, 128 |
| F14 | rod clank | 19 | 403 | 80 |
| F15 | electric engine fan | 16 | 379 | 90 |
| F16 | open/close door | 12 | 347 | 128 |
| F17 | rail clank | 17 | 387 | 85 |
| F18 | tachograph | 23 | 435 | 35 |
| F19 | vacuum pump (3 steps / push the function button twice to step into the next step) | 21 | 419 | 25 |
| F20 | soundfader (tunnel mode) | |||
| F21 | brake squeal sound off/on | |||
| F22 | random sounds off/on |