68
Setting the Gamma Curve
Set the gamma curve.
MEMO
The “gamma curve setting” uses gamma curve data prepared by the user to
adjust the output values (output to the computer) with respect to the input
values for 256 levels of brightness in the scanned image.
The gamma curve set here will not be enabled unless you mark [Use User
Gamma] check box in the Image Controls dialog box (See P. 57).
1
Prepare gamma curve data matched to the gamma curve. (See
“Preparing Gamma Curve Data” P. 69)
2
Open the Gamma Settings dialog box.
MEMO
Only [Gray] can be selected from the gamma settings pulldown menu. Other
settings cannot be selected. Be sure to use gamma curve data that you have
prepared for changing the gamma curve.
3
Press the [Download] button, and select the prepared gamma
curve data.
MEMO
Gamma curve data is appended with the *.gmm extension.
4
Clicking [Open] downloads the gamma curve data to the scanner.
After the data is downloaded, the display returns to the Gamma
Settings dialog box.
Setting Scan Conditions
