User Manual

Gamma correction
Sometimes you may want to adjust the brightness of midtones of the scanned image while
keeping shadow and highlight areas relatively unchanged. The Gamma correction function allows
you to increase or decrease the intensity of the midtones. Click
, the following window is
displayed:
The available gamma value ranges from 0.01 to 7.99. Changing the gamma value above 1.0 will
brighten the midtones, and below 1.0 will darken the midtones. You can either enter the desired
gamma value in the number box or use the scroll bar to select your desired value.
In the CHANNEL checking box:
ALLTo correct all color components (red, green, and blue) of the image with the same gamma
value.
Red
To correct the red component of the image.
Green
To correct the green component of the image.