BenQ 7400UT User Manual - Page 120
Blur/Sharpen, Descreen
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Blur/Sharpen You can drag the slider to blur or sharpen the image: drag the slider to the left to blur the image and to the right to sharpen the image. Descreen If you are scanning images from magazines, newspapers or other printed materials, you will find that the scanned image appears to be covered by tiny screen patterns. To eliminate this screen pattern, you can use the options in the drop-down list box. You can select an appropriate descreen option according to the original to be scanned from the drop-down list box.
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Blur/Sharpen
You can drag the slider to blur or sharpen the image: drag the slider to the left to blur the image and to the right to
sharpen the image.
Descreen
If you are scanning images from magazines, newspapers or other printed materials, you will find that the scanned
image appears to be covered by tiny screen patterns. To eliminate this screen pattern, you can use the options in the
drop-down list box. You can select an appropriate descreen option according to the original to be scanned from the
drop-down list box.