HP 6300C - ScanJet - Flatbed Scanner User Manual page 93

Changing the black and white threshold
To bring out details in an image with the
output type, decrease the number in the
Bitmap (raster)
Black & White Threshold
Scan a picture.
1
From the menu, select
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
Tab
– or –
click the DOWN spin button next to the
field.
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 & White
field:
B & W Threshold
tool appears.
menu, select
Black & White
Black & White Threshold
Black & White Threshold
or ,
Enter
Black & White
Book Contents
Image with the
output type
.
Threshold 49
The range for the number in the threshold field is set in
the
Preference Controls
T I P
Try changing the sharpen level to improve the
result when you are changing a color or black and
white photograph to a
image.
Index
Black & White Bitmap (raster)
Threshold 127
(the default for
this image)
tab (see page ).
53
Black & White Bitmap (raster)
HP PrecisionScan Pro User's Guide
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