I had on old Furuno CRT set. When it failed, I had a Furuno tech come help. He fixed it, but warned that it was near the end of its life so when it failed again, within a year or two, I bought a JRC 3000. Stand alone, but displays GPS info, etc. Basically the same features as the then equivalent Furuno, for approx 1/2 the price. I have been very happy with this unit, for about 15 yrs.
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Keith
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