Panasonic KV-S7065C Reference Manual page 29

TWAIN configuration method
1 Select the scanning mode from the [Image Type] list box in the [TWAIN] dialog
box.
When the Automatic mode has been selected
Use the mouse to click and move the [Automatic Binary/Color Distinction] slider.
The scanner differentiates color and binary pages by analyzing the ratio of color
pixels to black pixels. To change this ratio, move the slider to the left to decrease the
required percentage of color pixels to denote a color page. Move the slider to the right
to increase the percentage of pixels required to denote a color page.
The desired value can also be input directly into the edit box on the right.
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