| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | front light | |||
| F1 | sound on/off | 1 | 259 | 128 |
| F2 | airhorn #1 | 3 | 275 | 128 |
| F3 | airhorn #2 | 4 | 283 | 128 |
| F4 | fan | 5 | 291 | 80 |
| F5 | compressor | 6 | 299 | 85 |
| F6 | acceleration/brake time, shunting mode/shunting speed | |||
| F7 | curve squeal | 15 | 371 | 95 |
| F8 | AUX1 | |||
| F9 | compressed air let off | 9 | 323 | 128 |
| F10 | conductor's signal | 10 | 331 | 100 |
| F11 | coupler clank | 8 | 315 | 100 |
| F12 | sanding valve | 11 | 339 | 32 |
| F13 | brake set/release brake | 13 | 355 | 70 |
| F14 | station announcement #1 (different languages via CV 48 selectable, portuguese, german, spanish, french) | 7 | 307 | 128 |
| F15 | switch flange | 16 | 379 | 100 |
| F16 | open/close door | 12 | 347 | 110 |
| F17 | rail clank | 17 | 387 | 80 |
| F18 | airhorn "tunnel" | 22 | 427 | 128 |
| F19 | airhorn "station platform" | 21 | 419 | 128 |
| F20 | diesel manual notching (up) | |||
| F21 | diesel manual notching (down) |