| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | front light | |||
| F1 | sound on/off | 1, 21 | 259, 419 | 128, 44 |
| F2 | airhorn #1 | 3 | 275 | 128 |
| F3 | short airhorn #1 | 16 | 379 | 128 |
| F4 | short airhorn #2 | 20 | 411 | 128 |
| F5 | gas turbine | 2 | 267 | 115 |
| F6 | bell | 4 | 283 | 100 |
| F7 | compressor | 6 | 299 | 90 |
| F8 | station announcement #1 | 7 | 307 | 128 |
| F9 | acceleration/brake time, shuting mode/shunting speed | |||
| F10 | curve squeal | 15 | 371 | 105 |
| F11 | red light off | |||
| F12 | compressed air let off | 9 | 323 | 90 |
| F13 | conductor's signal | 10 | 331 | 80 |
| F14 | coupler clank | 8 | 315 | 100 |
| F15 | sanding valve | 11 | 339 | 45 |
| F16 | brake release | 13 | 355 | 60 |
| F17 | open/close door | 12 | 347 | 128 |
| F18 | rail clank | 17 | 387 | 80 |
| F19 | radio message | 14 | 363 | 80 |
| F20 | soundfader | |||
| F21 | brake squeal sound deactivate/activate |