Gamma Correction - Ricoh IS450 Operating Instructions Manual

6. Appendices

Gamma Correction

The following types of gamma correction are possible. However, different models of output
devices have different characteristics. Select a suitable gamma curve for the original that is to be
scanned and the output device.
Normal
Emphasizes the contrast slightly, resulting in a somewhat sharp scanned image.
Sharp
Emphasizes the contrast, resulting in a sharp scanned image.
Soft
Decreases the contrast, resulting in a soft scanned image.
Linear
Outputs the image as scanned.
User-defined
Downloads a user-defined gamma curve for gamma correction.
Normal
Soft
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Sharp
Linear