Windhoff MPV Sound Decoder & Speaker (21)

Below is a list of the Function keys and their assignments applicable to this model. F0. Lights on /off F1. Sound on/off F2. Playable horn, two tone (1) F3. Playable horn, two tone (2) F4. Playable horn F5. Buzzer F6. Playable siren F7. APU motor F8. Water cannon motor and spray sounds F9. Flange squeal F10. Double horn mix F11. Spyrex air valve ‘tick’ F12. Shunt mode, Press once the loco goes half speed, press it again and you are back to normal control. F13. Acceleration/Deceleration speed over ride. F14. Aux 1 F15. Aux 2