Canon EOS 1D Mark II N Instruction Manual page 57

Monochrome
You can take black-and-white photos.
To obtain natural-looking, black-and-white images, set a suitable
white balance.
JPEG black-and-white images captured with the [Monochrome]
setting cannot be converted into color images even with image-
editing software.
RAW images captured with the [Monochrome] setting can be
converted into color images with the bundled software.
When [Monochrome] is selected, <0> will appear on the rear
LCD panel.
User Def. 1-3
You can register your own Picture Style settings in [Detail set.]
(p.61). If any User Defined Picture Style has not been registered,
the shot will be taken with the same settings as the [Standard].
Detail set.
You can change and modify the parameters (such as [Sharpness])
of each style from their default settings. You can also select a base
Picture Style, adjust its parameters to suit your preferences and
register it in User Defined 1 to 3 as your own Picture Style.
About the Picture Style selection screen
The symbols on the upper right of the Picture Style selection screen
refer to parameters such as [Sharpness], [Contrast] etc. The numerals
indicate the settings of parameters for each Picture Style.
3 Selecting a Picture Style
Symbols
Sharpness
Contrast
Color saturation
Color tone
Filter effect (Monochrome)
Color toning (Monochrome)
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