I just bought an 1197 and when I got it home and checked it had software 6.3xx on it I believe. I went to the Humminbird website and noticed there was a version 6.600 available so I updated my unit with it. With the chart speed set on 3 it seems like the chart is moving way too fast. In order to get it as slow as 3 used to be I have to drop it down to 1. Same thing on the Sonar and DI chart speeds. Is that normal for this update? Just seems like it's moving way too fast.

Bowslayer, This has been an ongoing discussion for the last several weeks. Version 6.660 is the latest update, at least for my 1198, that was suppose to fix that and several other problems with the previous release (6.570). It appears that the latest release did not fix the problem. The BBC forum has an 8 page thread under "6.570 Update" that you might check out.

I noticed the slightly faster scrool speed too. A little slower than the 6.570 was overall.

Humminbird has been notified of that continuing quirk..

Thanks for the replies, I guess I'll just wait for another update that hopefully cures the problem.