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  1. HO Scale
    I have an original QSI BLI 2-6-6-4, it was running great until it began slipping, first just the front engine, but now both front and rear are slipping. NO grinding, jerking or roughness so I believe the gears are OK. When it slips the sound continues as though nothing is wrong but the loco...
  2. DCC Forum (Digital Command Control)
    I bought got an Athearn Genesis Challenger that has a QSI Revolution sound decoder installed in it. All of the cv's were reset to default by the previous owner. I have been able to successfully adjust all the cv's I'm interested in but F10 is dead. It will not respond to any command. I'm...
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