I was wondering if this has happened to any one else out there. I download the new update (Version 6.090) after doing a 20 minute format of an 8 gb scanisk sdhc card. Then installed as per instructions on humminbird site. (restore to factory defaults. shut down. installed card with update. turn on . follow instructions. When i started using the unit in demo mode the scroll speed was really fast. put the scroll speed on 1 and screen looked like a lie detector test. if i increased the speed to 9 the bottom would read right but fast. Then i restored to factory defaults again this seemed to help the speed. When i was adjusting the window size from narrow to wide (2d sonar & map) this worked ok. when i wanted to adjust the window size on (DI & map) there was no option offered on the screen. Is this something that was left out of the new upgrade? Randy


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