Originally Posted by claw
You are mixing apples and oranges.
The UB820 has a Basic Projector option that maps to 500 nits. This setting is only used for HDR output mode. It is not used for SDR/BT2020 output mode.
In SDR/BT2020 output mode the default position of the Dynamic Range Conversion slider control represents 350 nits. This slider is not used in HDR output mode.
That being the case, it stands to reason that the default position for the HDR slider is 500 nits in the UB820. So, does moving the Optimizer slider to the right (positive: "brightening" the image) bring the tone mapping closer to 350 nits at some point (4-5 "clicks"?), now equating to the default position to the UB9000's 350 nits setting? Is that how the "Dynamic Range Adjustment" feature works or are there distinctly separate HDR tone mapping curves for each of the 500 nits and 350 nits luminance options? Lastly, the luminance adjustment slider supposedly (according to p.27 of the manual) affects the tone curve. I've never understood that facet of its function and would be grateful for any explanation that you could provide. Thanks, as always, for your input!
JVC NX7, Yamaha RX-A3080 (2 discrete 7.2.4 speaker layouts: Dolby Atmos & DTS:X), Panasonic UB820, Oppo 103D, ATV4K, Roku Ultra, TiVo Bolt Vox, Vandersteen Model 3 Signatures & VCC-1 Signature, SVS SB-2000 (2), Clark Synthesis Tactile Bass Transducers (2), Polk PSW-12
Last edited by docrog; 09-11-2019 at 02:50 PM.