Canon CanoScan D1250U2F User Manual

Also see for D1250U2F - CanoScan USB Flatbed Scanner: Specifications Quick start guide User guide

40chapter 3What is on thescreen?GlossaryContentsIndexSpecial Tone Curves SheetWhen the Special Tone Curves button is clicked, the Special ToneCurves sheet is displayed.ChannelClick the down-arrow and select one of the primary colors (RGB) foradjustment or leave the setting at Master to adjust all the colors.Select Special CurveClick the down-arrow and select a setting from the drop-down list. Thesesettings are designed to solve some of the most common problems withscanned images: overexposure, underexposure, or poor contrast:• No correction• Fix an image that is underexposed• Fix an image that is overexposed• Fix an image that is low contrast• Edit Custom Curve