I used SDR mode because it had more accurate colors and since I was mostly using SDR content using HDR mode made no real difference to me. But it's certainly an option that works fine as long as you set the SDR slider.I've ran mine with Windows HDR permanently enabled, OLED light at 100, and the Windows SDR brightness slider set to 12. ASBL also disabled the first week I got the TV and so far no issues for 2 years. Pretty sure I will end up replacing the CX long before it develops any hints of burn in.