BR/WR class 42 Warship diesel hydraulic sound decoder and speaker (21)

Below is a list of the Function keys and their assignments applicable to this model. F0. Lights on/off (if fitted) F1. Sound on/off F2. Long horn F3. Long horn F4. Short horn F5. Buffer up F6. Coupling up F7. Flange squeal F8. Air ‘tick’ F9. Wheel/track ‘groan’ F10. Carriage door slam F11. Guards whistle F12. Hydraulic cylinder clearout prior to start-up routine F13. Shunting mode. Press once and the loco moves slowly, press it again and you are back to normal control F14. Acceleration/Brake override. This function overrides the normal acceleration and braking settings. F15. Aux 1 (cab light if applicable) F16. Aux 2