On Mon, 26 Dec 2005 20:57:02 -0500, "Eisboch" wrote:

I had very mysterious readings for a while until it was discovered that the
electronic compass (I think it's called a flux gate compass) had been
mounted in the engine room about 6 inches away from the electric motor for a
washing machine.

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The flux gate sensor should be mounted as far away from iron, steel or
electrical wiring as possible. I ended up putting mine in a locker
where I store only life jackets.

I think the Furuno user interface may have improved in recent years.
I had very little difficulty teaching Mrs B how to use the target
tracking functions and she is still struggling with computers and the
internet. Target tracking with the ARPA functions is way cool,
everybody loves it.