Dell UltraSharp 25 Series User Manual page 46

Display Use the Display menu to adjust images.
Aspect Ratio Adjusts the image ratio to Wide 16:9, Auto Resize,
or 4:3.
Sharpness This feature can make the image look sharper or
softer.
Use or to adjust the sharpness from '0' to
'100'.
Response Time Allows you to set the Response Time to Normal or
Fast.
MST DisplayPort Multi Stream Transport. The default
setting is Off. To enable MST (DP out), select On.
NOTE: When the DisplayPort/USB Type-C
upstream cable and the DP downstream cable are
connected, the monitor will automatically set MST to
On. This action will only be done once after Factory
Reset or Reset Display is selected.
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46 Operating the monitor