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Thread: lowrance question

  1. #1
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    Default lowrance question


    does anyone know what is causing the rainbow line at the top of my sonar screen. sometimes when I take off to get on step that line drops down in to the screen the goes back to the topName:  uploadfromtaptalk1441644076356.jpg
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  2. #2
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    All of mine have it too, some shots it's narrow and on some it's wider.

  3. #3
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    Adjust your surface clutter controls

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    this line started when I move my transducer from my step to the V bottom part on my boat.

  5. #5
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    CrappiePappy is offline Super Moderator - 2013 Man Of The Year * Crappie.com Supporter
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    Considering that move of your transducer ... could it be a "prop wash" effect (as in turbulence from the bottom of the boat) ?? Your description of the "rainbow line" moving deeper on the screen, and the shape of the 2d sonar cone, makes me think so.

    ... cp

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    Quote Originally Posted by CrappiePappy View Post
    Considering that move of your transducer ... could it be a "prop wash" effect (as in turbulence from the bottom of the boat) ?? Your description of the "rainbow line" moving deeper on the screen, and the shape of the 2d sonar cone, makes me think so.

    ... cp
    That's what I was thinking.
    the transducer is at the water line which is closer to the bottom of the boat and prop

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