Thread: 778 HD?

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  1. 08-13-2019, 12:14 PM #1
    blublazer
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    778 HD?

    Unit started show depths of 600-900 ft in 2 feet of water? Do I need to adjust something, do I need a new transducer or upgrade to a new unit?
    Chris Smith
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  2. Wayne P.
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    #2 08-13-2019, 05:23 PM
    Do a Restore Defaults to get rid of any settings you may have done to limit its ability to perform deep or shallow with no adjustments.
    Wayne Purdum
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  3. blublazer
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    #3 08-13-2019, 08:59 PM
    Thanks Wayne, I will give it a try.
    Chris Smith
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  4. blublazer
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    #4 09-03-2019, 10:21 AM
    I did the restore defaults and I get the same results. Reading 900+ in 3 feet of water. What should I try next?
    Chris Smith
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    #5 09-05-2019, 09:21 PM
    Tried turning the sensitivity down?
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  6. blublazer
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    #6 09-06-2019, 01:41 PM
    I have not, but I will give it try.
    Thanks
    Chris Smith
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  7. blublazer
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    #7 09-09-2019, 07:47 AM
    That did not help?
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  8. blublazer
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    #8 09-16-2019, 08:19 AM
    What is the part number for a trolling motor type transducer for the 788 hd?
    Chris Smith
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  9. Wayne P.
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    #9 09-16-2019, 08:25 AM
    The part # is 170160-1 and the model name is XTM 9 20 T.
    Wayne Purdum
    Charlottesville, Va.
    Helix 12 CHIRP MEGA+ SI G3N/G4N, Helix 15 CHIRP MEGA SI+ GPS G4N
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