Custom Properties; [Color Dropout] Tab - Fujitsu fi-6230 Operator's Manual

Pattern
You can configure gamma corrections. The gamma patterns include:
Binary (black and white) specified
Grayscale/24-bit color specified

Custom Properties

You can specify custom properties (Gamma, Brightness, Contrast, Shadow, and Highlight) only when you select
[Custom] as a Gamma pattern. Type in a numerical value in each box, click the forward/backward arrows, or drag
the slider to increase/decrease the numerical value. Of those items, [Shadow] and [Highlight] can be specified
only when a Color or Grayscale setting is selected under [Mode].

[Color Dropout] Tab

Normal, Soft, Sharp, Custom, Download
Custom, Download