| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | Front light | |||
| F1 | Sound on/off | 1, 2 | 259, 267 | 116, 93 |
| F2 | high pitched airhorn | 3 | 275 | 128 |
| F3 | low pitched airhorn | 4 | 283 | 128 |
| F4 | fan | 5 | 291 | 128 |
| F5 | compressor | 6 | 299 | 128 |
| F6 | acceleration/brake time, shuting mode/shunting speed | |||
| F7 | curve squeal | 15 | 371 | 128 |
| F8 | AUX1 [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 set / release | 13 | 355 | 128 |
| F14 | station announcement #1 | 7 | 307 | 128 |
| F15 | twin airhorn | 16 | 379 | 128 |
| F16 | door open / close | 12 | 347 | 128 |
| F17 | rail clank | 17, 18 | 387, 395 | 68, 128 |
| F18 | station announcement #2 | 14 | 363 | 128 |
| F19 | station announcement #3 | 19 | 403 | 128 |
| F20 | diesel manual notching (up) | |||
| F21 | diesel manual notching (down) |