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● Tone Curve Settings

This dialog box enables you to adjust the brightness of a specific
area of an image by selecting the type of the tone curve. The
tone curve is a graph showing the balance of tone input and
output.

[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].

[Select Tone Curve]

Select the tone curve from [No Correction],
[Over Exposure], [Under Exposure], [High
Contrast] or [Invert the Negative/Positive
Image].

[Reset]

Resets all the current settings to their default
values.