Adjusting HistogramYou can adjust the image color tone by using a graph (histogram) showing brightness distribution, via(Histogram) in ScanGear (scanner driver)'s Advanced Mode tab.Note• Click Defaults to reset all adjustments in the current window.ChannelEach dot of an image is a mixture of Red, Green, and Blue in various proportions (gradation). Thesecolors can be adjusted individually as a "channel."MasterAdjust the Red, Green, and Blue combined.RedAdjust the Red channel.GreenAdjust the Green channel.BlueAdjust the Blue channel.Note• Only Grayscale will be displayed in Channel when Color Mode is Grayscale.Reading HistogramsYou can see the histogram of a specified area for each Channel. The higher the histogram peak, themore data is distributed to that level.522
