Keeping to a simple approach, DCC Sound in the latest Heljan OO Class 57 is very simple.
Note that on the model we had, red lights were on FA3 and FA4 outputs instead of FA1 and FA2, so a little remapping is required
to get control of those.
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Please note that these guides are provided as useful resources for you, as-is. YouChoos cannot be held responsible for
errors in the information, or for any damage caused to your models or equipment if you choose to follow any of the
steps detailed here.