52 Using the ScannerTWAIN Driver SettingsModePage SizeDots per inchScanning SideFeeding OptionBasic Setup Dialog BoxScan Area Dialog BoxAdvanced Settings Dialog BoxCustom Page Size registrationUnitDrop-out colorGamma DataSelectSave User PreferencesScanning OptionIf an application program executes scanning directlyfrom the basic setup dialog box, the [Scan] button isdisplayed instead of the [OK] button, and the [Areawindow] is displayed in the Scan Area dialog box.* [Contrast] is set automaticallywhen Black and White isselected, and [Brightness]and [Contrast] are setautomatically when TextEnhanced is selected.* The Smoothing mode optionsare not displayed when [600dpi] Dots per inch is selected.* Blank pages for skipping aredetermined using the [Ratioof black pixels] valueselected.* The Delay setting is availablewhen the [Automatic Feeding]Feeding Option is selected.* Area setting is not available when the [Auto-detection] Page Size is selected.* Scanning of the specified area may be shifted when Deskew is enabled.Scanner Adjustment is a function used to adjust the referencevalues of the scanner when abnormalities occur withinthe scanned images. Do not execute when the scanner isfunctioning properly.* When the [Custom] GammaData is selected, the [Auto-detection] Page Size, [Skipblank page] Scanning Side,and Deskew options are notavailable, and [Brightness]and [Contrast] are setautomatically.abcdefghi jlmnopqstrk