Suggest running a search on the Zektor and scanning this writeup . Works fine on my system. I substituted 1-foot connecting cables (to Zektor switch) when I found two 6-foot cables (to Zektor, to RPTV) caused a 'sync flutter' in screen areas. It seems a few sensitive brands/models cause this flutter, which went away on my Philips RPTV with short linking cables. -- John
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