Humminbird 565 false reading

JWMARTIN56

Recruit
Joined
Sep 23, 2011
Messages
2
My 565 worked great then developed a problem. When moving into deep water (300 ft) the reading would go to .7 ft. Turning unit off and on or moving to shallow water helps sometimes. Transducer works good with my old unit, power is good. Has anyone had these problems or any ideals on correcting?
 
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