| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | front light | |||
| F1 | sound on/off (cold start up) | 1 | 259 | 110 |
| F2 | rear light | |||
| F3 | empty (rear light FX decoder) | |||
| F4 | interior light | |||
| F5 | airhorn #1 | 3 | 275 | 128 |
| F6 | acceleration/brake time, shuting mode/shunting speed | |||
| F7 | bell | 4 | 283 | 128 |
| F8 | open/close door | 12 | 347 | 80 |
| F9 | conductor's signal | 10 | 331 | 100 |
| F10 | airhorn #2 | 5 | 291 | 128 |
| F11 | warm start up (shift mode) | |||
| F12 | station announcement #1 | 7 | 307 | 128 |
| F13 | station announcement #2 | 14 | 363 | 128 |
| F14 | compressor | 6 | 299 | 100 |
| F15 | curve squeal | 15 | 371 | 105 |
| F16 | switch flange | 19 | 403 | 100 |
| F17 | rail clank | 17 | 387 | 90 |
| F18 | coupler clank | 8 | 315 | 80 |
| F19 | brake release | 13 | 355 | 40 |
| F20 | short airhorn #1 | 16 | 379 | 128 |
| F21 | short airhorn #2 | 18 | 395 | 128 |
| F22 | 9 | 323 | 60 |