Dell 34 S3422DWG 34" 21:9 Curved FreeSync WQHD 144 Hz HDR VA Gaming Monitor - Manual (Page 49)

Operating your monitor │ 49
Input Color
Format
∞ RGB: Select this option if your monitor is connected
to a computer or a media player that supports RGB
output.
∞ YCbCr: Select this option if your media player
supports only YCbCr output.
Dell 34 Gaming Monitor
S3422DWG
Input Source
PIP/PBP
Display
Others
Personalize
Menu
Brightness / Contrast
Audio
Game Aspect Ratio
Input Color Format
Sharpness
Smart HDR
Reset Display
RGB
YCbCr
Sharpness Makes the image look sharper or softer.
Move the joystick up and down to adjust the sharpness
from ‘0’ to ‘100’.