Just One More: " BOTTOMLINE " Also i think turning the tri-ducer or trans ducer in a bit will adjust that. so using a ruler on the bottom of the boat will show you how much to make the adjustment, just experiment till you find the sweet spot. See that little angle allow the signal to bounce back to get a reading, even at speeds of 50+. So the key is to fine tune the ducer to the optimal setting.
h2o<-----says hope you understand
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