Old fishfinder 565

  • wayne peterson
    Garrison, Mn
    Posts: 32
    #1860214

    Have an older fishfinder 565 that I inherited with the boat. It has been reading fine until about a week ago. The depth reading now is about 10x more than it really is, like 354ft when its 20ft. The cords look ok, what should I look for? Anybody else ever have a problem like this? Thanks, Wayne

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