GWR/BR Castle class 4-6-0 XL sound decoder

Below is a list of the Function keys and their assignments applicable to this model. F1. Sound on/off F2. Long whistle (continues until F2 is pressed again) F3. Short whistle F4. Buffering up F5. Coupling up F6. Injectors F7. Drain cocks F8. Safety valve F9. Track/sleeper ‘groan’ F10. Carriage door ‘slam’ F11. Guards whistle F12. Shunting mode. Press once the loco goes slowly, press it again and you are back to normal control. F13. Acceleration/Deceleration over ride. Press once to over ride, press again to return to preset settings. F14. Aux 1 linked to firebox flicker as per coal shovelling F15. Aux 2