New build A1 TORNADO 4-6-2 sound decoder

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 A1 whistle (press once and whistle will sound until pressed again) F3. Short A1 whistle F4. Long chime whistle (press once and whistle will sound until pressed again) F5. Short chime whistle F6. Injectors F7. Drain cocks F8. Safety valves F9. Guards whistle F10. Carriage door slam F11. Coupling up F12. Buffering up F13. Air pump