Corel PaintShop Pro X7, DE User's Guide Page 188

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184 Corel PaintShop Pro X7 User Guide
If you know what color temperature the photo should be, you
can set precise tonal balance values by marking the Advanced
Options check box and typing or setting the temperature values
in the Temperature and Tint controls in the White Balance
group box. You can tweak the colors by adjusting values in the
Temperature and Tint controls in the Enhance White Balance
group box.
To mix color channels
Edit workspace
1 Choose Adjust Color Channel Mixer.
The Channel Mixer dialog box appears.
2 Do one of the following:
• To maintain a color image, select a color channel to edit from
the Output channel drop-list.
• To change the image to monochrome (which looks like
grayscale but has a color depth of 16 million colors), mark the
Monochrome check box. Grey appears in the Output channel
drop-list.
3In the Source Channels group box, type or set values in the Red,
Green, and Blue controls, or adjust the corresponding sliders, to
change the percentage of that color in the channel.
For example, if you are editing the Red channel and set the Red
control to 50%, the amount of red in the image is reduced to 50%
of its original amount.
4 Adjust the Constant slider.
The slider is originally set at zero. If you want to darken the color
channel, drag the slider to the left. If you want to brighten the
color channel, drag the slider to the right.
5 Click OK.
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