Polaroid DCM 2 Online - Manual (Page 83)

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Output Preferences (Continued)
Grayscale Channel Mixture
The Grayscale Channel Mixture uses the following (RGB channels) to produce a
grayscale image:
Luminance Digitally provides the effect of a luminance filter for gray-
scale imaging.
Red Provides the effect of a red filter.
Green Provides the effect of a green filter.
Blue Provides the effect of a blue filter.