| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | head lights | |||
| F1 | sound on/off | 1, 2, 20 | 259, 267, 411 | 90, 50, 95 |
| F2 | whistle | 3 | 275 | 128 |
| F3 | short whistle #1 | 16 | 379 | 128 |
| F4 | fans off while standing | |||
| F5 | compressor | 6 | 299 | 75 |
| F6 | acceleration/brake time, shuting mode/shunting speed | |||
| F7 | curve squeal | 15 | 371 | 90 |
| F8 | AUX 1 | |||
| F9 | compressed air let off | 9 | 323 | 128 |
| F10 | conductor's signal | 10 | 331 | 128 |
| F11 | coupler clank | 8 | 315 | 128 |
| F12 | sanding valve | 11 | 339 | 50 |
| F13 | brake set brake/release | 13 | 355 | 80 |
| F14 | station announcement #1 | 7 | 307 | 128 |
| F15 | short whistle #1 | 24 | 443 | 128 |
| F16 | open/close door | 12 | 347 | 128 |
| F17 | rail clank | 17 | 387 | 50 |
| F18 | station announcement #2 | 14 | 363 | 128 |
| F19 | cab talk, radio talk #1 | 19 | 403 | 110 |
| F20 | cab talk, radio talk #2 | 22 | 427 | 110 |
| F21 | station announcement #3 | 23 | 435 | 128 |