I have one and like it for the most part. I had a problem with the delay in refreshing the GPS chart screen when I was running at speed. One of the members suggested it might be the Navionics chip I had in the unit. Sure enough I took it out and the screen has much less delay.
What happens is as I move along the cursor move accross the screen and when it approaches the edge of the map the unit refreshes to show the next portion of the map. The screen will go blank for about 45 to 60 seconds so you are flying blind until the screen display comes back up.
I have a smaller HB combo with a chip in it and it does not do this. There is not lag at all in it.
Overall it is a good unit, the color sonar is very sharp. Still learning the DI part, most DI images look like an old 35MM film negative.


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