| Key | Function | Soundslots | Volume CVs | Volume value |
|---|---|---|---|---|
| Light | Directional Headlight | |||
| F1 | Bell | 4 | 283 | 99 |
| F2 | Playable Airhorn | 3 | 275 | 128 |
| F3 | Coupler Clank | 5 | 291 | 128 |
| F4 | Warm start | |||
| F5 | AUX3 output (pre-set to Mars Light) | |||
| F6 | AUX1 + AUX2 (Ditch Light) | |||
| F7 | Switching Mode | |||
| F8 | Sound (On/Off) | 1, 24 | 259, 443 | 128, 128 |
| F9 | Diesel Manual Notching (Up) | |||
| F10 | Diesel Manual Notching (Down) | |||
| F12 | Dimmer (Headlights) | |||
| F13 | AUX4 | |||
| F17 | Brake Set / Brake Release | |||
| F18 | Sanding Valve | 13 | 355 | 128 |
| F19 | Short Air Let Off | 14 | 363 | 128 |
| F20 | Compressor | 7 | 307 | 40 |
| F21 | Spitter Valve Sound | 15 | 371 | 128 |