SoundTraxx Tsunami decoders are ordered based on the type of loco you have, EMD, GE, Alco, etc. ?each decoder will have several prime mover choices, several bell and horn types, several headlight types, etc. ?These options are selected by changing CVs or in the case of using JMRI, through a plain English (or your chosen language) menus once JMRI has read the decoder information. ?It is important to order the correct decoder for your locomotive because you cannot change a SoundTraxx GE decoder to EMD for example.
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