Originally Posted by jdsmoothie
The <HDMI Video Output> setting defaults to "Auto(Dual)" so you would need to change it to either "Monitor 1" or "Monitor 2" for each source when using both 1080p and 4k sources.
Thanks! Didn't see that.
Under that setting that I now see in the manual, it says if both monitors are connected and resolution is set to "auto", the signals are output with a resolution "that is compatible with BOTH TV's" (my caps)...... I don't think that is what I want although they are going to the same TV, the Denon will see one output as 1080P and the other as 4K. So perhaps the only way to do this is to manually assign the resolution? And I won't want to do that for my 1080P input as my satellite box might put out 1080i or 720P etc..
Now I could do that for the 4K monitor out. But it is the "both" comment above that gives me pause.
According to the manual (I am one of those readers!) the other setting that seem to inter-relate is "video conversion". I have this
to "Off" as I want the TV to upscale so that is still okay.
It also says that "output settings" ( so auto, monitor 1, monitor 2) "cannot be set when 4k signals are input". I am not sure if that means they cannot be changed in the menu when viewing 4K source or they cannot be changed FOR a 4K source?
However even if I route the inputs to the right monitor out, apparently it sets the output resolution to one compatible with both monitor outs which I guess would be 1080P.
Perhaps I am making this more difficult than it needs to be.....but getting my Pany 4K player working with the right HDMI cable, at the right length to the TV, with full 4K resolution was a challenge prior to buying my new Denon. So I am real hesitant to make that and my new second 4K source go through the Denon and hope it all still works. And by definition the 6400 would have to upscale my 1080P stuff to 4K and would prefer not to do that.
Thanks again for your help and any additional wisdom!