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Lowrance Fish finder/depth finder

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Does anyone on here have one of these? I just purchased a boat with one and I can't seem to get it to work right. It's a 522c (I think).


The problem is that the GPS works just fine. But, I can't seem to get the depth finder (sonar) to work.


It will work for a very short time, then it will get stuck on something like 4.5 feet and won't change. Then, randomly, it will start working again and flash in and out of working.


I have never had one of these devices before so I am a true novice with using one.

Thanks for any help.

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maybe take a look at the transducer. it could be loose and pointing the wrong way or if it was used and sat in the water a lot it could have a layer of scum on it.

I finally figured it out. The guy who owned the boat before me didn't want the transducer on the back of the boat. So, they had to put it through the hull. The hull on this boat is not good for that.


When I take it in to be winterized, I'm having that changed.


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