| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | front light on/off | |||
| F1 | sound on/off | 1, 18, 19, 21 | 259, 395, 403, 419 | 96, 96, 128, 96 |
| F2 | airhorn | 3 | 275 | 128 |
| F3 | german station announcement #6 - female | 4 | 283 | 128 |
| F4 | engine fan | 5 | 291 | 128 |
| F5 | compressor | 6 | 299 | 128 |
| F6 | shunting mode | |||
| F7 | curve squeal | 15 | 371 | 128 |
| F8 | AUX 1 | |||
| F9 | valve | 9 | 323 | 128 |
| F10 | conductor's signal | 10 | 331 | 128 |
| F11 | coupler | 8 | 315 | 128 |
| F12 | sand | 11 | 339 | 128 |
| F13 | brake release | 13 | 355 | 128 |
| F14 | panto up/down | 18, 19 | 395, 403 | 96, 128 |
| F15 | short airhorn signal | 16 | 379 | 128 |
| F16 | drivers cab door open/close | 17 | 387 | 96 |
| F17 | oil cooler fan | 20 | 411 | 128 |
| F18 | german station announcement #1 - male | 14 | 363 | 128 |
| F19 | german station announcement #2 - male |