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I am curious.. my new LMS 520c system... when on the sonar, has A LOT of blue "noise" through out the entire water column" when on Auto Sensitivity. I can set the sensitivity way down to about 30% - 45% and it will all go away and leave me a nice clean white water column, with only a few specks of noise here and there.
My question is... is that noise normal??? Or is it being caused by an improper installation of my transducer... like perhaps there were excessive airbubbles in the epoxy/fibreglass that was used to mount it to the hull. (its a thru-the-hull type) Something is making me feel like that may be the case. The fibreglass around the transducer is a MESSY job! Its all gloppy and just looks like a kid did it.
I would really like to know what everyone thinks because I am bringing my boat back to have the troling motor fixed and I believe this will need attention too. WHat do yall think?
My question is... is that noise normal??? Or is it being caused by an improper installation of my transducer... like perhaps there were excessive airbubbles in the epoxy/fibreglass that was used to mount it to the hull. (its a thru-the-hull type) Something is making me feel like that may be the case. The fibreglass around the transducer is a MESSY job! Its all gloppy and just looks like a kid did it.
I would really like to know what everyone thinks because I am bringing my boat back to have the troling motor fixed and I believe this will need attention too. WHat do yall think?