Canon 2925B002 User Manual - Page 184
Adjusting Brightness and Contrast
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Adjusting Brightness and Contrast Sayfa 184 / 302 sayfa On-Screen Manual > Scanning Guide > Correcting Images and Adjusting Colors with ScanGear (Scanner Driver) > Adjusting Brightness and Contrast Adjusting Brightness and Contrast In ScanGear's Advanced Mode, click (Brightness/Contrast). Note Click to switch to detailed view. Click to return to the previous view. Channel Each dot of an image is a mixture of Red, Green and Blue in various proportions (gradation). These colors can be adjusted individually as a "channel." Master Adjust the Red, Green and Blue combined. Red Adjust the Red channel. Green Adjust the Green channel. Blue Adjust the Blue channel. Note Only Grayscale will be displayed in Channel when Color Mode is Grayscale or Grayscale(16bit). Brightness Adjust the image brightness. Move (slider) under Brightness to the left to darken and right to brighten the image. You can also enter a value (-127 to 127).