Marine Electronics Forum

lowrance chartplotter problem

Old 10-08-2014, 04:40 PM
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Default lowrance chartplotter problem

I have a Lowrance Elite 4M chart plotter on my boat. Everything is fine as far as the depth and water temp and seeing fish under neath, until I start going fast or hit some rough water then the depth, temp and depth of the fish seem to go to another range. If I'm in 20 ft. of water it will show like 250 and fish depth are way up there also.Sometimes it will show zero depth. As soon as I slow down, or shut it down and restart it, it will return to normal. Could the transducer be the culprit? What about the angle of it on the transom? Any help is appreciated. thanks-Russ
Old 10-08-2014, 05:05 PM
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make sure your sonar is set to 200khz. you will get more detail. and it should cure your problem.

I have only seen what you describe in really shallow water while on the 83khz setting.

i would also download the installation manual, read it then check your transducer to make sure all is good.
Old 10-08-2014, 08:04 PM
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I'm confused, with the Elite 4m you shouldn't be seeing any fish, temp or depth at all with that unit, since it's only a chartplotter. Are you sure you have a Elite 4M? Any Lowrance unit with the "M" designation in the model is only GPS/Chartplotter

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