Acer UM.HX5AA.001 User Manual page 25

10. HDR: can control off, 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".
11.
can simulate high-resolution images by boosting the pixel density of the original source
to make images sharper and clearer.