Dick, I appreciate all the info. My unit is an Autohelm Navcenter 600. I
believe it is the same as the Raymarine 620, so I presume the software
issues are the same. My software level is 1.02, and I presume that is a good
place to look for a solution.

Many thanks!

Mike

"Dick Evans" wrote in message
news:vLVKc.57345$Mr4.55333@pd7tw1no...


Mike
I had to change the chip to update the software. This is how
I
found a solution to the problem. Got this info from Raymarine site:

snip