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
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