Canon EOS 6D Mark II Mode D'emploi page 130

3 Selecting a Picture StyleN
U Faithful
Suited for processing the image with a computer. The color of a
subject that is captured in sunlight at a color temperature of 5200K
will be adjusted to match the subject's colorimetrical color. For
subdued images with modest brightness and color saturation.
V Monochrome
Creates black-and-white images.
W User Defined 1-3
You can register a basic style such as [Portrait], [Landscape], a
Picture Style file, etc. and adjust it as desired. With any of the User
Defined Picture Style that has not yet been set, pictures will be
taken with the same characteristics settings as with the default
settings of [Auto].
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