Digital Research Technologies DRSCAN36EPPR - Manual (Page 17)

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the difference between relatively dark and light portions of the
image.
To change the brightness or contrast, do the following:
1. After prescanning, click on the Brightness/Contrast
Setting button.
The Brightness/Contrast Setting screen is displayed.
2. If you scanned a color image, select the color you wish to
change by clicking on the appropriately colored button (click
on the Red button to change red, click on the Blue button to
change blue, etc.).
3. Click on the Plus (+) or Minus (-) buttons until you reach
the desired value.
4. If you are working on a color image and wish to adjust a
different color, do steps 2 - 3 again.
5. If you want to bring the brightness and contrast settings back
to zero (no adjustment), click on the Reset button.
Master
button
Red
button
Green
button
Blue
button
Reset
button
Brightness readout
Contrast readout