Acer KG272 KG272S User Manual page 21

Note: A higher value allows more blue light to pass through, so in order to achieve the
best protection, please select a lower value, of which 50% is in the best state and has
been tested by TÜV Rheinland and meet the requirements of TÜV Rheinland's "Low
Blue Light Content" standard.
9. ACM: Turn ACM on or off.
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Note: Set to "On", will be based on the current screen to dynamic contrast adjustment.
10. HDR: can control off and auto, the default is off, set to auto will automatically detect
and deal with HDR signal.
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Note: 1. When HDR = Auto, the Modes will also be automatically set to "HDR".
2. When HDR = Auto, some parameters :(ACM, Gamma, Contrast, Blue Light,
Black Boost...) functions is gray out and disable, and if you change other adjustable
parameters, the "Modes" will not jump to "User" Mode.
11. Super Sharpness: Turn the Super Sharpness On or Off. Super Sharpness technology
can simulate high-resolution images by boosting the pixel density of the original source
to make images sharper and clearer.