Microtek ArtixScan M1 Pro User Manual page 47

Use the Tone Curve tool to adjust the
tones separately or as a whole for RGB/
CMYK images.
In the example below, the original looks
cold, with a preponderance of blue-green
tones. The corrected version shows the
image with adjusted tones in the yellow
and magenta channels, resulting in a
rosier, warmer look.