| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | headlights | |||
| F1 | sound on/off | 1, 2, 23 | 259, 267, 435 | 15, 20, 34 |
| F2 | whistle | 3 | 275 | 128 |
| F3 | station announcement #1 | 4 | 283 | 128 |
| F4 | station announcement #2 | 5 | 291 | 128 |
| F5 | compressor | 6 | 299 | 25 |
| F6 | acceleration/brake time, shuting mode/shunting speed | |||
| F7 | radio message #1 | 21 | 419 | 128 |
| F8 | emergency brake set/release emergency brake | 16 | 379 | 70 |
| F9 | compressed air let off | 9 | 323 | 60 |
| F10 | conductor's signal | 10 | 331 | 110 |
| F11 | coupler clank | 8 | 315 | 110 |
| F12 | sanding valve | 11 | 339 | 20 |
| F13 | brake release/set brake | 13 | 355 | 45 |
| F14 | curve squeal | 15 | 371 | 100 |
| F15 | sound fader (tunnel mode) | |||
| F16 | open/close door | 12 | 347 | 128 |
| F17 | rail clank | 17 | 387 | 100 |
| F18 | station announcement #3 | 14 | 363 | 128 |
| F19 | station announcement #4 | 7 | 307 | 128 |
| F20 | vacuum pump (3 steps / push the function button twice to step into the next step) | 20 | 411 | 25 |
| F21 | brake squeal sound off/on | |||
| F22 | radio message #2 | 22 | 427 | 128 |