ORIS PDF Tuner Version 4.4.8 User Manual - image2output - Support

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27 Changing Image Color Mode
Converting to CMYK, RGB or Grayscales
Using the functions on the IMAGE | MODE menu you can convert images
to the CMYK, RGB or grayscales color space.
Converting to Grayscales
You can also use the IMAGE | GRAYSCALE function for converting image
colors to grayscales. This function can also be applied to an image section
defined by a restricting mask (see also page 21-1). It also allows you
to define the amount of color to be used from the individual color channels.
The conversion procedure is different for RGB and CMYK images.
Related topics:
Creating Masks and Cut-outs (page 21-1)
Selecting Masks (page 22-5)
Converting RGB Images
Specify the amount of color to be used from the R, G and B channels.
The values must be specified as CMY values and appear in the STATUS
window. Proceed as follows:
1. SHIFT-click on the image, move the mouse vertically and press the
(left) mouse button when the gray level is as you want it. Alternatively,
enter the value (0 to 100) on the keyboard.
Take these actions for all of the three color channels.
2. If you want to correct a value, SHIFT-CTRL-click (Mac OS) or SHIFTright-click
(Windows) to select the previous value, (left-)click to select
the next value. Then repeat step 1.
3. When finished, press RETURN/ENTER or click .
ORIS PDF Tuner Version 4.4.8 User Manual 27-1
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