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Thread: humminbird 728 problems

  1. 11-25-2010, 10:00 PM #1
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    sticksteer
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    Default humminbird 728 problems


    just installed a 728 on the bow. It worked fine for about an hour then the depth started reading from 7' to 1500' and would not show the bottom. The power is seprate from the TM power but it changes depths when you step on the TM switch. Any ideas ??
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  2. 12-07-2010, 12:40 PM #2
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    Humminbird_Greg
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    Sounds like trolling motor interference. Call the Humminbird Customer Resource folks for help with this. They should have all the latest suggestions on how to correct this. 1-800-633-1468
    Greg Walters at Humminbird
    [email protected]
    I help because I can
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