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HD Tuner card with RS232?

My goal: Have a HDTV QAM tuner card in my HTPC control and automatically change channels on my HD set top box. I have asked many sources, the brightest guy told me that to do this I would need a HDTV tuner card with an RS232 control.

Is this correct? Any solutions? Any products?
-- Sergie

by Matt Haughey January 9, 2006 in Home Theater PC, TV & HDTV

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