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Join Date: Dec 2000
Location: Venice, Florida, USA
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The projector does not output a resolution. It displays at a resolution which can be set at 3840 x 2160 or 4096 x 2160. Anything sent to the projector will be upscaled, to keep it simple here, to 3840 x 2160. Now one of the RULES of proper HT setup is to avoid if possible multiple resolution changes and to let the best video processor you have to the necessary upconversions. In the cases here, let the projector do all the upscaling. Set the DTV box so that it out puts the native resolution of the source you are receiving on it. You do not want the crappy deinterlacer/scalar in the DTV box to do anything. Let the sony projector do it. Its a rather simple concept. My FIOS box won't let me do that. Evertime I switch from a 720p channel to a 1080i one and the other way around, I have to set the FIOS box to output the resolution of the channel.
In your case you have by checking the various boxes correctly appear to be sending the native received by the DTV box to your Sony and are letting the Sony do the upconversion. The readout is merely showing what is being input into the Sony.
I am not sure what you are reading on the Sony. If its an what is being input and its reads 3840 x 2160 for 1080p 24 etc inputs, its a software glitch.