VIEWSONIC VG3456 34" 21:9 USB Type-C Docking VA Monitor - Manual (Page 50)

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C Color Range
The monitor can detect the input signal color range automatically. You can
manually change the color range options to fit the correct color range if the
colors are not displayed correctly.
Options Description
Auto
The monitor automatically recognizes the color format and
black and white levels.
Full Range The color range of black and white levels are full.
Limited Range The color range of black and white levels are limited.
Color Space
Allows users to choose which color space they would like to use for monitor
color output (RGB, YUV).
Color Temperature
Allows users to select specific color temperature settings to further customize
their viewing experience.
Panel Default Panel original status
Bluish Set the color temperature to 9300K.
Cool Set the color temperature to 7500K.
Native
Native is a default color temperature.
Recommend for general graphic design and regular use.
Warm Set the color temperature to 5000K.
Contrast
Adjusts the difference between the image background (black level) and the
foreground (white level).
F Fine Tune
Improve distorted images caused by an analog signal.