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MULTIPASS L6000 Manual de Usuario
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If you are not satisfied with the results of the Auto Level or Brightness & Contrast features, you may want to first manually define the contrast range of the image by setting the image highlight and shadow points, or the black point and white point. With this method, you specify what you consider to be the important highlight and shadow details. You can select the darkest point and the lightest point to more effectively adjust the image contrast with Auto Level or the Brightness & Contrast features. When adjusting the image level, these points define the lightest and darkest points of the range when you adjust the image contrast. To set the black point and white point: 1. Select the image or an image portion. 2. On the Adjust menu, click Black Point/White Point. 3. In the Black Point/White Point dialog box, click Black Point.
4. Move the cursor over the Original thumbnail. As you move the cursor over the image, the black value, expressed as a percentage of the current pixel, appears to the left of the Black Point button. 5. Move the dropper over the image until you find the blackest point. This point will have the value closest to 0%. Click the pixel. 6. Click White Point.
Working with Documents in the Desktop Manager
Setting the Black Point and White Point
Chapter 7
Working with Documents in the Desktop Manager 7-45
