| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | Directional Headlights / Dynamo | 6 | 299 | 128 |
| F1 | Bell | 4 | 283 | 99 |
| F2 | Playable Whistle | 3 | 275 | 128 |
| F3 | Playable Air Horn | 15 | 371 | 80 |
| F4 | Short Whistle | 16 | 379 | 128 |
| F5 | Coupler | 5 | 291 | 128 |
| F6 | Injector | 9 | 323 | 40 |
| F7 | Aux1 (Numberboards)/Dynamo | 6 | 299 | 128 |
| F8 | Sound (On/Off) | |||
| F9 | Open Cylinder Cocks | |||
| F10 | Air Pump | 7 | 307 | 120 |
| F11 | Oil Burner | 14 | 363 | 128 |
| F12 | Blower | 8 | 315 | 128 |
| F13 | Aux4 | |||
| F14 | Aux2 | |||
| F15 | Crossing Communication | 10 | 331 | 128 |
| F16 | Railclank | 11 | 339 | 85 |
| F17 | Brake Set / Brake Release | |||
| F18 | Sanding Valve | 13 | 355 | 100 |
| F19 | Dimmer (Headlights) | |||
| F20 | Aux3 | |||
| F21 | Dynamo |