Hi I saw some of your posts on the forum, I currently have a Sony 900e TV and just picked up the Panasonic UB420. The UB420 is passed through my Yamaha V683 receiver. Would you mind sharing any recommended settings, I'm assuming they would be similar to the UB820. On my 900e, I use the Cinema Pro setting.

In regards to the optimizer, I haven't seen much difference, what luminance do you recommend? Would you recommend changing any of the other HDR settings. My picture is a little dark while playing 4k HRD blu-rays, granted I've only tried a few. Any info would be greatly appreciated!