| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | Directional Headlights | |||
| F1 | Bell | 4 | 283 | 45 |
| F2 | Playable Airhorn | 3 | 275 | 128 |
| F3 | Coupler Clank | 5 | 291 | 128 |
| F4 | Dynamic Brake | 6 | 299 | 128 |
| F5 | HEP Mode | 8, 14 | 315, 363 | 64, 128 |
| F6 | Aux1+Aux2 (Ditch Light) | |||
| F7 | Switching Mode | |||
| F8 | Prime Mover Sound On / Off (Mute) | 1, 12 | 259, 347 | 99, 40 |
| F9 | Manual Notching (Up) | |||
| F10 | Manual Notching (Down) | |||
| F11 | Radiator (Fan) Sound | 8 | 315 | 64 |
| F12 | Dimmer (Headlights) | |||
| F13 | Stand-By Mode | 18 | 395 | 128 |
| F14 | Aux3 output (pre-set to Double Strobe) | |||
| F15 | Crossing Communication | 10 | 331 | 128 |
| F16 | Rail Clank (works only if F8 is On) | 11 | 339 | 64 |
| F17 | Brake Set / Release | |||
| F18 | Sanding Valve | 13 | 355 | 128 |
| F19 | Short Air Let Off | 14 | 363 | 128 |
| F20 | Compressor | 7 | 307 | 40 |
| F21 | Pop Valve Sound |