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Posting a reply to: Humminbird 859/terrova

Muskie Fishing -> Muskie Boats and Motors

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danmuskyman

Posted 5/12/2014 3:58 PM (#711222)
Subject: Humminbird 859/terrova

Posts: 633

Location: Madison, WI

I put a 859 unit on my bow this year and I can't get the depth to read if my terrova is running at casting speeds? If I crank the speed to over 60% or so then the depth reads fine, but at 20-30% it reads crazy deep numbers? If I shut the motor off, it reads fine, but as soon as you turn the blades back on it loses depth again. It is hooked to the us2 but so was my previous Lowrance and I didn't used to have this problem. It's driving me nuts! Please help.