Compaq P/N DOC-FB4B manual Scale, Inverse, Brightness and Contrast

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Faxing images: Any image you intend to fax from a PC-based fax modem should be scanned at 200 dpi. Fax machines only receive images at 200 dpi, and some programs may fault if you try to scan at higherresolutions.

Refertothechartbelowforresolutionsettingguidelines.

IC = InfoCenter, IPG = Image Pals GO!

Function

Application

Scan Mode, Resolution

Scan ‘n Fax

IC

B&W line art, 200 DPI

OCR

IC

B&W line art, 300 DPI

Color Picture on Monitor

IC or IPG

True Color, 72-100 DPI

Color Picture to Print

IPG

True Color, 150 DPI

Copier Function

IC

Color, 200 DPI

Document Images

IC

Color, GS, B&W, 72 DPI

Word Processor, Scan to Clipboard

IC

Color, GS, B&W, 72 DPI

High Resolution Images

IPG

Color, up to 4800 DPI

Color Image Editing

IPG

Color, up to 4800 DPI

Scale

Scaling allows you to specify an image size before scanning. This op- tionisusefulbecauseitallowsyoutocontroltheimagefilesize-thus minimize scanning time and occupied disk space. It also eliminates theneccesitytochangetheimagessizeafteritistransferredintoan- otherapplication.

Inverse

This command reverses an image’s display. Black pixels will be white, and white pixels will become black. The resulting image is like a photo negativeoftheoriginal.

Brightness and Contrast

These controls adjust the brightness and contrast of the image you are about to scan. Increasing the contrast will sharpen the image by excagerating the images colors or tones. Increase the brightness to lighten the image and compensate for the contrast selection.

Experiment with these controls to determine the look you prefer. Usuallythesecontrolsareadjustedtogetherina2:1ratioof brightnesstocontrast.

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Contents ImageReader Express Compact Color Flatbed ScannerInfo Technician Copyright 1994 1997 All Rights Reserved InfoPhone 408 538-2500 Fax 408 Table of Contents Page Using this manual Assistance What is TWAIN?Introduction WelcomePage Package contents System requirementsPage Scanner Installation and Info Technician InstallationConnecting the scanner Using the pass-throughInstalling the device driver Info TechnicianInstalling the application software Perform Utility DiagnosticTo Change Your Parallel Port Mode Setting in most systems Page Using your scanner Scanning features and controlsHardware features PowerRemove paper clips, pins or staples Letwetpaperdryfirst Software controlsPaper loading Paper sizeSettings Preview WindowImage Information Scan Mode Pre-scanScan PanelResolution ScanatBrightness and Contrast ScaleInverse Scanning images Select the Twain sourceOther scanning features Click Cancel to close the Flatbed Scanner windowScanning process To scan an imagePage Troubleshooting General Scanning TipsBi-Directional Printers Printer Problems? Cannot print to printerTwain Errors Error messages Error 82 Scanner not Found message when attempting a scanCheck your cable connection and retry scanning Image Transfer FailedChanging Your Parallel Port Mode FCC radio frequency interference statement Ifnecessary,cleanthescannerglasswithasoftlensclothScanner care Limited two year warranty Info Service Center 580DivisionStreet Campbell, CA