Setting pixel output levels – HP 6200C User Manual
Page 78
4
HP PrecisionScan Pro User’s Guide
78
➮
Setting pixel output levels
The
Output Levels
control in the
Exposure
Adjustment
tool lets you create interesting effects
for images of pictures.
When you change the
White
output level value to 0
and the
Black
output level value to 255, the colors
in the image reverse.
Changing output levels
Use the
Output Levels
control in the
Exposure
Adjustment
tool to create interesting effects in
images of pictures.
The ranges for the numbers in the
White
and
Black
fields are set in the
Preference Controls
tab (see
).
1
Click the
Output Levels
checkbox in the
Exposure
Adjustment
tool to select it.
The
White
and
Black
output levels controls
appear in the
Exposure Adjustment
tool.
2
Click on the one side of a slider,
– or –
type a different number in the
White
or
Black
field, then press
Tab
or
Enter
,
– or –
click the UP or the DOWN spin button next to the
White
or
Black
field.
The result of the changes to
Output Levels
can be
seen in the preview area.
Appearance with
White
control = 255
Black
control = 0
Appearance with
White
control = 0
Black
control = 255