h9.jpgI have a Humminbird Helix 9 sonar gps (gen 1). The transducer is a US2 on a Minn Kota Ultrex. When the transducer is put in the water the green line moves up on the screen and as the water gets deeper (the sonar is displaying bottom and structure) the line gets much thinner. Other than that it works ok but the green line is always there thick or thin. Hopefully an easy fix. Thanks ahead of time for any help.
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