| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | Directional Headlights / Dynamo | 6 | 299 | |
| F1 | Bell | 4 | 283 | |
| F2 | Playable Whistle | 3 | 275 | |
| F3 | Coupler | 5 | 291 | |
| F4 | Blower | 8 | 315 | |
| F5 | Aux3 (Firebox) | |||
| F6 | Aux1,2 | |||
| F7 | Switching Mode | |||
| F8 | Sound (On/Off) | 1, 2, 17, 24 | 259, 267, 387, 443 | |
| F9 | Dimmer (Headlights) | |||
| F10 | Air Pump | 7 | 307 | |
| F11 | Oil Burner | 14 | 363 | |
| F12 | Coal Shoveling | 15 | 371 | |
| F13 | Aux4 | |||
| F14 | Injector | 9 | 323 | |
| F15 | Crossing Communication | 10 | 331 | |
| F16 | Railclank | 11 | 339 | |
| F17 | Brake Set / Brake Release | 12 | 347 | |
| F18 | Sanding Valve | 13 | 355 | |
| F19 | Open Cylinder Cocks | 18 | 395 | |
| F20 | Short Whistle | 16 | 379 | |
| F21 | Empty |