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Raytheon L750 Fishfinder

741 Views 6 Replies 5 Participants Last post by  ripp35
Does anyone know if it is normal for this fishfinder or for that matter any fishfinder to be unable to determine the depth once the boat reaches approximatley 15 knots ?
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I had the same problem, It's usually mounted too high or low or the angle.Also is it mounted at the deeepest point on the transome
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