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3.21 Gamma
This function selects the gamma curve (shading adjustment curve).
The settings are available for the gamma curve: Normal, CRT and Linear.
Select CRT if the primary objective of scanning documents is to view them on the
display.
IMPORTANT NOTES:
•
Gamma curves customized to the individual user can be created and saved using
the driver. With the ISIS driver, gamma curves can also be created by creating
gamma pattern files.
•
The gamma can be set in the following Image Type.
—Color mode
—Grayscale mode
—Halftone (dither) or Error Difusion in Black and White mode
•
Gamma cannot be used when sRGB or ICM has been selected by Color Matching.
•
In the MultiStream (Binary&Gray or Binary&Color) mode of the
, the
gamma settings are valid only in the Black and White mode (Halftone (dither) or
Error Diffusion).
•
With the
, different settings cannot be used for the front and back sides
with Both scanning.
ISIS configuration method
1
Select the target gamma curve from the [Gamma] list box on the [Advanced
Settings] dialog box.
2
The custom gamma pattern can be used by selecting “User Downloaded” from
the [Gamma] list box (refer to
How to create the gamma pattern files
on the
next page to create a custom pattern). Click [Download...] and select the
gamma pattern file (*.PXG).
S7065C
SS905C
SS905C
SS905C
