I have a Marcum 3, that is like a year old but bought off of Ebay for considerable less but still brand new.
Problem – yesterday I go to use it and it turns on and shows the surface red line and everything is spinning and the battery is full. BUT I cannot get bottom to read on any of the feet readings, and neither will fish show up on the screen .The only color showing is the top line. and Zoom lines when promopted. The interference appears to be working and the zoom appears to be working. And it sounds like the transducer is sending its little pinging noises. Any sugggestions ???
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Who do I contact if it needs fixing.
FISHINFOOL