GWR/BR Pannier tank XL sound decoder

Below is a list of the Function keys and their assignments applicable to this model. F0 Light on/off where fitted F1. Sound on/off F2. Whistle (long) F3. Whistle (short) F4. Buffering up F5. Coupling up F6. Injectors F7. Drain cocks F8. Safety valve F9. Sleeper/track ‘groan’ F10. Guards whistle F11. Carriage door ‘slam’ 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 F15. Aux 2