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  1. Navman Depth Sounder Transducer

    Electronics
    I have a Navman Depth 3100 on my Azuli F40 Cat (Foam sandwich hull). The transducer is mounted in-hull at a solid f/glass section near seawater intake. The sounder has worked OK for about 11.5 years. But recently the display started showing "- -" instead of the depth numbers. I read that you...
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