| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | light on/off | |||
| F1 | sound on/off | 1 | 259 | 128 |
| F2 | airhorn (another 5 airhorns selectable via CV48) | 3 | 275 | 128 |
| F3 | bell | 4 | 283 | 64 |
| F4 | station announcement #1 | 21 | 419 | 128 |
| F5 | compressor | 6 | 299 | 128 |
| F6 | shuting mode/shunting speed | |||
| F7 | curve squeal | 15 | 371 | 64 |
| F8 | AUX 1 | |||
| F9 | compressed air let off | 9 | 323 | 128 |
| F10 | conductor's signal | 10 | 331 | 70 |
| F11 | coupler clank | 8 | 315 | 96 |
| F12 | sanding valve | 11 | 339 | 50 |
| F13 | brake release | 13 | 355 | 40 |
| F14 | station announcement #2 | 7 | 307 | 128 |
| F15 | short airhorn | 16 | 379 | 128 |
| F16 | drivers cab door open/close | 12 | 347 | 128 |
| F17 | rail clank sound | 17 | 387 | 70 |
| F18 | station announcement #3 | 14 | 363 | 80 |
| F19 | station announcement #4 | 18 | 395 | 128 |
| F20 | station announcement #5 | 20 | 411 | 128 |
| F21 | switch flange sound | 19 | 403 | 128 |
| F22 | sound fader | |||
| F23 | deactivate brake squeal sound |