On the LG CX OLED TV, we compare the effects of engaging the [BT.2020] setting in the secret [HDMI Signalling Override] menu using real-world content, supplemented by objective measurement charts.
Note: For most users, the [Colorimetry] setting is already set correctly to “Auto” by default, so there’s no need whatsoever to enter the [HDMI Signallling Override] menu.
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Video LG CX BT.2020 Secret Menu – What is The Correct Setting?
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