Question about Humminbird 787c2 Combo GPS Receiver

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My Humminbird 788 ci screen clutters up and gives crazy depth readings when the trolling motor (mk terrpva80# w/ ipilot and built in td w/mkr-us2-8 cable) is set on mid to high speed settings. It does this most- but not all times...any ideas? thanks, Rob

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One thing you might try is restoring the defaults in your unit. One other thing is go into the menu under the sonar tab and adjust your Noise Filter. You may have some type of interference going on. You can call our customer service department and they will trouble shoot it for you. Our number is 800-633-1468.

Joby from Humminbird.

Posted on Jan 03, 2011

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Posted on Jan 02, 2017

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