Prevent Samsung TV or Monitor from dimming

Some Samsung monitors automatically dim the backlight when the displayed video falls below a certain brightness. For professional editing, this is a nuisance. Here’s how to prevent it, at least on the C570 series e.g. T28C570

In picture settings, find “Movie” mode. This stops the dimming. Then, you must recalibrate your monitor’s saturations, contrast, brightness, sharpness, etc., as before.

My settings, for an HDMI input from an Intel HD560 graphics chipset, are:

Backlight
20
Contrast
95
Brightness
45
Sharpness
0
Colour
45

Also, turn off anything to do with “dynamic”, noise reduction, enhanced contrast, etc.

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