Monitor’s HDR function
The MBR(Motion Blur Reduction) function is used to make the video softer by reducing the fuzziness of moving images in a game or video.
Try this
How to check MBR operation on the monitor
It is supported only in the DP(Display Port) and it is available for use only if the vertical frequency of the connected equipment is 120 Hz or 144 Hz.
How to change the vertical frequency
Right click in the background and select [Display Settings].
After selecting [Advanced Display settings], select [Display adapter Properties for Display 2].
On the monitor tab, go to [Screen refresh rate] and change the vertical frequency value.
This guide was created for all models, so the images or content may be different from your product.