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			Aaron, 
Thanks for this. I am trying to use this with a passive projection system (2 projectors and polarizing filters).  I have done what you explained , but I am not sure whether the problem of my system from the graphic card or from the alignment. 
how can I test the graphic card splits the image for right and left proper? 
thanks.
		 
		
		
		
		
		
		
		
		
	
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