Microtek 35t plus User Guide

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Reference
 
The BCE screen (for grayscale and color)
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The 
Brightness
 control lets you change the brightness setting.
•  Too much brightness can make an image look washed out.
•  Very low brightness levels can make an image look very dark.
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The Contrast control lets you change the contrast setting.
•   High contrast can make an image look like a photocopy of a picture with little or no
gray shades.
•   Low contrast can make an image look dull and flat.
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Channel
 lets you change exposure settings for a particular color channel (red, green or
blue).
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Exposure
 lets you increase or reduce available light to the image. This can be used to
allow more detail to emerge in an image, especially if it was underexposed.
•   More exposure can result in lighter images with more visible detail. The higher the
exposure, the longer it takes to scan the image.
•   Less exposure can make an image dark and without detail.
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