| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | directional headlights | |||
| F1 | sound on/off | 1, 2, 5 | 259, 267, 291 | 50, 128, 128 |
| F2 | airhorn #1 | 3 | 275 | 128 |
| F3 | airhorn #2 | 4 | 283 | 128 |
| F4 | fan | 24 | 443 | 128 |
| F5 | compressor | 6 | 299 | 90 |
| F6 | acceleration/brake time, shunting mode/shunting speed | |||
| F7 | curve squeal on/off | 15 | 371 | 100 |
| F8 | AUX1 | |||
| F9 | compressed air let off | 9 | 323 | 90 |
| F10 | conductor's signal | 10 | 331 | 85 |
| F11 | coupling | 8 | 315 | 100 |
| F12 | sanding valve | 11 | 339 | 30 |
| F13 | brake release | 22 | 427 | 80 |
| F14 | station announcement #1 | 7 | 307 | 110 |
| F15 | airhorn (station platform) | 16 | 379 | 128 |
| F16 | open/close door | 12 | 347 | 100 |
| F17 | rail clank on/off | 17 | 387 | 90 |
| F18 | station announcement #2 | 14 | 363 | 110 |
| F19 | station announcement #3 | 18 | 395 | 110 |
| F20 | station announcement #4 | 21 | 419 | 110 |
| F21 | airhorn (tunnel) | 19 | 403 | 128 |
| F22 | switch flange on/off | 20 | 411 | 110 |
| F23 | random sounds off/on | |||
| F24 | sound fader | |||
| F25 | disable brake squeal sound |