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Brush class 57 sound decoder with speaker (8)


This decoder is complete with speaker and ready to fit into your class 57 diesel.


With the Heljan model please ensure the directional lights are functioning correctly prior to decoder installation. We have found some models where bulbs are creating a `short` which can cause damage to the decoder.
Below is a list of the Function keys and their assignments applicable to this model.
F0. Lights on/off
F1. Sound on/off
F2. Horn 1, double tone
F3. Horn 2, double tone
F4. Horn, single tone
F5. Buffer up
F6. Coupling up
F7. Flange squeal
F8. Air ‘tick’
F9. Shunting mode. Press once the loco goes slowly, press again and you are back to normal control.
F10. Acceleration/Deceleration timing over-ride
F11. Aux 1
F12. Aux 2


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