HP 6200C User Manual page 88

Examples of changing color channels
Images of a color drawing changed to the
White Bitmap (raster)
different color channels and black and white
threshold settings applied in the
tool.
Threshold
Original with
True Color
type
Black & White Bitmap (raster)
output type applied with
color
Gray
channel and
automatic
threshold (110)
color channel and
Red
automatic threshold (110)
color channel and
Green
automatic threshold (110)
Adjusting images of
4
pictures
Black &
output type are shown with
Black & White
output
NTSC
Book Contents
color channel and automatic
Blue
threshold (110)
color channel and higher
Blue
threshold (173)
T I P
The channel in the
NTSC Gray
list box of the
channel
tool converts color to gray at a
Threshold
ratio of 30% red, 59% green, and 11% blue.
Index HP PrecisionScan Pro User's Guide


Scan using
Black & White
88