| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | front light | |||
| F1 | sound on/off | 1, 22 | 259, 427 | 120, 93 |
| F2 | deep pitched airhorn | 4 | 283 | 128 |
| F3 | high pitched airhorn | 3 | 275 | 128 |
| F4 | fan | 5 | 291 | 128 |
| F5 | Compressor | 6 | 299 | 110 |
| F6 | acceleration/brake time, shuting mode/shunting speed | |||
| F7 | switch flange sound | 15 | 371 | 115 |
| F8 | AUX#1 | |||
| F9 | compressed air let off | 9 | 323 | 70 |
| F10 | conductors signal | 10 | 331 | 80 |
| F11 | Uncoupling | 8 | 315 | 128 |
| F12 | sanding valve | 11 | 339 | 45 |
| F13 | brake release/ set brake | 13 | 355 | 95 |
| F14 | station announcement #1 (czechisch or russian language selectable via CV48) | 7 | 307 | 128 |
| F15 | short airhorn (high pitched) | 16 | 379 | 128 |
| F16 | open/close door | 12 | 347 | 128 |
| F17 | rail clank sound on/off | 17 | 387 | 110 |
| F18 | short airhorn (low pitched) | 20 | 411 | 128 |
| F19 | deactivate brake sound | |||
| F20 | soundfader |