may have been changed, have you tried resetting to factory defaults?
http://bssc.sel.sony.com/BroadcastandBusiness/minisites/HDV/images/HVR-Z1U.pdf
Page 127; item 3.
In Autolock everything lookks fine. In manualmose , the video has a jittery look and when I pause it, there is no dual field flicker (like there should be). How do I fix this?

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