c420

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  1. M

    Atlas C420 Doppler Shift Problem

    I recently purchased a HO scale C420 with sound and DCC. When I run it on my Digitrax DCC layout the button F6 witch is supposed to be the doppler shift does not operate the doppler, instead it just gives me a read out of my locomotives speed. That is when it is running. When it is in neutral...



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