[Enable Back Side Contrast] Check Box

If the contrast of the front and back of the document pages is different, select this to adjust only the contrast of the back side.

[Gamma] Button

This button opens the [Gamma Settings] dialog box, where you can adjust the gamma curve.

[Gamma Settings] Dialog Box

Use the [Gamma Settings] dialog box to adjust the gamma correction value.

[Custom] Check Box

Select this check box to set custom gamma correction.

When [Custom] gamma setting is selected, all settings on the [Brightness] tab sheet are made automatically.

76Chapter 3