chadw, I did so many different snapshots I'm not sure ..... but I did try turning on the 200/83 "ON" then 200 "ON" and could not see a diff. I also ran my chart speed down to 1 and sharpness to "low" and did not get the horizontal white lines in the DI that I got on some of the older software. So far I'm happy with the 7.090 now that I reinstalled it. The next time I'm out I will do a better job of writing down each screen shot number. dj