GWR 4-4-0 City Of Truro Sound decoder and speaker (21)

Below is a list of the Function keys and their assignments applicable to this model. F0. Lights on/off (where fitted) F1. Sound on/off F2. Long whistle (press once and whistle will sound until pressed again) F3. Short whistle F4. Buffer up F5. Coupling up F6. Injectors F7. Drain cocks F8. Safety valves F9. Wheel/track ‘groan’ (looped if required, 9 seconds on one press) F10. Blowing off F11. Carriage door slam F12. Guards whistle F13. Shunt mode – half speed F14. Accel/Decel override F15. Open and close firebox door, no shovelling sound The random fireman sounds have been mapped to activate Aux 1 within the soundfile so, if a firebox LED is fitted by the user, it will flicker when the fireman sound is on. Likewise, F15 will also cause the flickering light to occur as if the fireman was checking the fire and not necessarily shovelling or even cooking bacon and eggs!!