| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | front light | |||
| F1 | sound on/off | 1, 21 | 259, 419 | 128, 55 |
| F2 | airhorn #1 | 3 | 275 | 128 |
| F3 | airhorn #2 | 22 | 427 | 128 |
| F4 | short airhorn #1 | 16 | 379 | 128 |
| F5 | gas turbine | 2 | 267 | 115 |
| F6 | acceleration/brake time, shunting mode/shunting speed | |||
| F7 | curve squeal | 15 | 371 | 105 |
| F8 | AUX 1 | |||
| F9 | compressed air let off | 9 | 323 | 90 |
| F10 | conductor's signal | 10 | 331 | 80 |
| F11 | coupler clank | 8 | 315 | 100 |
| F12 | sanding valve | 11 | 339 | 45 |
| F13 | brake release | 13 | 355 | 60 |
| F14 | station announcement | 7 | 307 | 128 |
| F15 | compressor | 6 | 299 | 90 |