Quote Originally Posted by RichieS
saw a similar problem with the guys on riverdance - running single output 1024x768 75Hz w/Extron scan-convertor to two Barco R18s.

they use black/white strobe for one of the cues. The effect is exactly as Richard describes previously with the DL1s - A very clear banding three-quarters of the way down the image.
Rich Stembridge
This means they have their own internal refresh rate - nothing at all can be done about this.
its the way the projector works.