Canon CanoScan FB 1200S User Manual page 48

To Adjust the Brightness and Contrast
In the Tone adjustment dialog click the brightness/contrast tab.
Adjust the contrast/brightness settings by dragging the slidebars, changing
the value with the spinbox buttons, or entering the value directly into the
entry box.
To restore all values to their default values, click this [Reset] button.
To restore the brightness/contrast values to their default values, click this button.
Click the [OK] button.
The settings will be reflected in the image currently displayed in the preview window.
Drag the slidebar left or right to adjust the
brightness setting.
You can also click the up or down arrow in the
spinbox to raise or lower its value or enter a
number directly into the entry box (-127~+127).
Drag the slidebar left or right to adjust the
Contrast setting.
After adjusting the brightness/contrast, you can
save the settings to a file under a file name and
load the file again whenever you want to use
the settings.
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