[Channel]

Select a color to adjust either [Red], [Green],

 

or [Blue], or select [Master] to adjust all three

 

colors together when [Color] or [Color

 

(Documents)] is selected in [Color Mode].

 

Adjust the elements of grayscale when

 

[Grayscale] is selected in [Color Mode].

[Brightness]

Adjust the brightness of the image by

 

moving the slider

 

or entering values

 

 

 

(–127 to 127).

 

 

[Contrast]

Adjust the contrast of the image by moving

 

the slider

 

or entering values (–127 to

 

 

 

127).

 

 

 

 

[Reset]

Resets all the current settings to their default

 

values.

 

 

 

 

●Histogram

This dialog box enables you to see the data concentration at each brightness level in an image. You can specify the darkest and brightest levels within an image, cut the levels and expand the middle of the tonal range of the image.