Ricoh IS450 - Manual (Page 68)

6. Appendices
54
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 Sharp
Soft Linear