So I am sitting on my boat right now and I found out the darn transducer I got to replace my old one didn't fix the problem. I was getting -- on my display so I thought it might be the transducer, so I got an identical looking one that also runs at 200khz and is the same size so I can put it in the previous hole. Luckily I didn't replace it yet only plugged it in and hung it over the side and to my disappointment nothing. Any suggestions it is a Standard Comm display and I replaced it with a Navman replacement transducer.
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