I have a Simrad IS15 depth finder. Sometimes when I turn it on it comes up and sometimes I have to turn it off then back on to get it to work. The folks who make the transducers said they either work or don't work and I probally have a cable problem. I've checked the cable and where I can inspect it it seems find. Pulled the transducer and made sure it was clean. Has anyone else experieced this or have suggestions.
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