| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | light on/off | |||
| F1 | drive sound on/off | 1, 2 | 259, 267 | 128, 100 |
| F2 | 3 | 275 | 128 | |
| F3 | short airhorn | 4 | 283 | 128 |
| F4 | rear lights (AUX1, AUX2) | |||
| F5 | compressor | 6 | 299 | 50 |
| F6 | shunting mode | |||
| F7 | curve squeal | 15 | 371 | 70 |
| F8 | fan (manuel) | 5 | 291 | 128 |
| F9 | compressed air let off | 9 | 323 | 80 |
| F10 | conductor's signal | 10 | 331 | 65 |
| F11 | coupler clank | 8 | 315 | 70 |
| F12 | sanding valve | 11 | 339 | 20 |
| F13 | pantograph | 21 | 419 | 128 |
| F14 | station announcement #1 (germany) | 7 | 307 | 100 |
| F15 | station announcement #2 (switzerland) | 14 | 363 | 100 |
| F16 | open/close door | 12 | 347 | 128 |
| F17 | rail clank | 17 | 387 | 70 |
| F18 | switch flange | 19 | 403 | 85 |