Fujitsu fi-5900C Operator's Manual page 78

[Gamma] tab
Pattern
Specifies how to correct Gamma. Available correction patterns are: "Normal", "Soft", "Sharp".
"Custom" is selectable when "Color" is selected on the Main tab.
Camera:
Specifies side(s) to which you want to apply the settings made on this window.
Custom Properties
Can be specified when "Cutom" is selected in the "Pattern" list.
You can specify the numeric values of items such as "Gamma", "Brightness", "Contrast",
"Shadow" and "Highlight".
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2.13 How to use the Scanner Driver