Operation Manual

3 In the Curves area of the Adjustments inspector or the Adjustments pane of the Inspector
HUD, click the Auto Curves Combined button.
Click the Auto Curves Combined
button to automatically set the
tonal curve for the image based
on all three color channels.
The tonal curve of the image is adjusted. To fine-tune the tonal curve adjustment, see
Adjusting the Tonal Curve of an Image Using the Curves Controls.
Using the Auto Curves Separate Button to Adjust Color Channels Individually
When you want to automatically adjust the tonal curve of an image based on individual
evaluations of the red, green, and blue channels, you use the Auto Curves Separate button.
Red, green, and blue channels are adjusted based on the evaluation of each channel. You
use the Auto Curves Separate button when you want to correct the color cast in the
image in addition to correcting the contrast.
Before Auto Curves Separate adjustment After Auto Curves Separate adjustment
541Chapter 17 Making Image Adjustments