Microtek 3700 Guida Utente

White/Black Points tool

green, blue) to modify that particular color channel.

❍

     

If your Image Type is Grayscale, only the Gray channel is 

available for selection.

2.  Move the black and white sliders to new points on the histogram.

●

     

Moving the black slider 

 to the right will yield more 

contrast in the highlight areas of the image, so that more 

detail emerges in the highlight areas.

●

     

Moving the white slider 

 to the left will yield more 

contrast in the shadow areas of the image, so that more 

detail emerges in the shadow areas.

Another alternative is to simply click the Auto button, so that 

the the dynamic range for the image is determined 

automatically.

3.  When the changes are done, click OK. For more details on the effects 

of the other action buttons, see the section 

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