| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | Front light | |||
| F1 | Sound on/off | 1, 2 | 259, 267 | 110, 128 |
| F2 | airhorn | 3 | 275 | 128 |
| F3 | short airhorn | 16 | 379 | 128 |
| F4 | open/close door | 12 | 347 | 128 |
| F5 | station announcement #1 | 20 | 411 | 128 |
| F6 | acceleration/brake time, shunting mode/shunting speed | |||
| F7 | curve squeal | 15 | 371 | 95 |
| F8 | AUX1 | |||
| F9 | compressed air let off | 9 | 323 | 50 |
| F10 | conductor's signal | 10 | 331 | 70 |
| F11 | station announcement #2 | 14 | 363 | 128 |
| F12 | sanding valve | 11 | 339 | 45 |
| F13 | brake release | 13 | 355 | 45 |
| F14 | rail clank | 17 | 387 | 90 |
| F15 | station announcement #3 | 7 | 307 | 128 |
| F16 | people talk together | 21 | 419 | 85 |
| F17 | sound fader | |||
| F18 | disable brake squeal sound |