HP 6200C User Manual page 86

Changing the black and white threshold
To bring out details in an image with the
White Bitmap (raster)
number in the
Black & White Threshold
Scan a picture.
1
From the
2 Tools
The
Black & White Threshold
From the
3 Output Type
.
Bitmap (raster)
The image changes to black and white.
Decrease the value in the
4
field:
click on the left side of the slider,
– or –
drag the slider to the left,
– or –
type a lower number in the
field, then press
Threshold
– or –
click the DOWN spin button next to the
White Threshold
The result of the change to the black and white
threshold setting can be seen in the preview area.
Adjusting images of
4
pictures
Black &
output type, decrease the
field:
menu, select
B & W Threshold
tool appears.
menu, select
Black & White
Black & White Threshold
Black & White
or ,
Tab Enter
field.
Book Contents
Image with the
output type
.
The range for the number in the threshold field is
set in the
T I P
Black & Try changing the sharpen level to improve
the result when you are changing a color or
black and white photograph to a
White Bitmap (raster)
Index
Black & White Bitmap (raster)
Threshold 127
(the default for
this image)
Threshold 49
tab (see page
Preference Controls
image.
HP PrecisionScan Pro User's Guide


).
47
Black &
86