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    MTH Proto 3 sound decoder experience

    I've gotten confirmation from MTH that this is indeed a software issue with the locomotives. They are not properly handling bits 0 & 1 in CV22. Tech support posted software updates for me on their website. I can confirm the software updates resolved my issue. To reiterate, I was having...
  2. C

    MTH Proto 3 Sound decoder help!!!!!!

    This is old, but the issue might be your MRC system. http://www.mthtrains.com/news/280
  3. C

    MTH Proto 3 Sound decoder help!!!!!!

    I have several MTH HO locomotives with ProtoSound 3 and am able to access all 28 functions on them. I have an NCE power cab. There is no CV to activate to enable these functions. When you called MTH service did you speak to an actual service technician? I've always been satisfied with the...
  4. C

    MTH Proto 3 sound decoder experience

    I'm having the same issue. I have 2 HO SD70M-2's and an Athearn SD60M in an advanced consist. The two MTH SD70's are forward facing. The Athearn SD60M is the trailing loco and is running in reverse. Setting CV22=0 (no lights) works fine for the the MTH SD70 in the middle. But, like you, the...



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