Lg-cx-best-picture-settings -

This is your "volume knob" for brightness. For a dark room, 25–35 is standard; for bright rooms, Contrast: 85–90.

Cinema or Filmmaker Mode . If the image feels too dim, enable Dynamic Tone Mapping to help the TV adjust brightness on the fly. lg-cx-best-picture-settings

50 (higher can wash out those perfect OLED blacks). This is your "volume knob" for brightness