3.USEFUL FUNCTIONSChanging Scan Settings 493 USEFUL FUNCTIONS Adjusting sharpnessThe sharpness setting determines whether your scans look clear or blurry. Use and to select the preferablesetting from 9 levels. Adjusting color balanceThe color balance of your scans can be adjusted with the saturation and RGB adjustment settings.The page shown in the above figure is available only when [FULL COLOR] or [AUTO COLOR] is selected for the colormode setting. SaturationUse and to manually specify the saturation level. RGB adjustmentUse and to manually specify the density level for each color: red (R), green (G), and blue (B).To reset all of the color balance settings back to the defaults, press [RESET].