Compaq S4 100 manual Resolution/File-Size Guidelines, Recommended Resolutions

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Compaq S4100 Owner’s Guide

The table below gives you an idea of the file sizes you can expect based on the original image size and the resolution setting you specify. These values are based on scanning images in 24-bit, True Color RGB mode. Image sizes shown below are given in megabytes.

Table 1. Resolution/File-Size Guidelines

Resolution	Image Size	Image Size	Image Size
(dots per	4x5	5x7	8.5x11
inch)
75	0.30	0.53	1.39
100	0.58	1.00	2.68
200	2.29	4.01	10.70
300	5.15	9.01	24.10
400	9.16	16.00	42.80
600	20.60	36.10	96.30
800	36.60	64.10	171.20
1200	82.40	144.20	385.20

NOTE: Choosing the True Color RGB 42-bit setting captures more data than the 24-bit setting. This means that the file sizes listed above will be larger if you scanned images using the True Color 42-bit RGB setting.

Choosing the Best Resolution for Your Scanning Project

To choose the best resolution for scanning, determine what you are going to do with the image once it is scanned. Matching your scanning resolution to the image use will give you the best image for that purpose and will keep the file sizes to the minimum needed.

Table 2. Recommended Resolutions

Image Use	Recommended Resolution
Printing	300 – 600*
Viewing on the Screen	150
Viewing on the Web	72
OCR, B/W	400
Pre-Press	600
Enlarging or reducing	600

* Depending on the resolution of your printer.

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Contents Compaq Failure of Essential Purpose of ANY Limited Remedy Table of Contents HOW to GET Help Introduction Package ContentsUnpacking the Scanner Scanner Elements Getting to Know Your ScannerPC Requirements System RequirementsInstalling the Software About Scanner Connectors Installing the HardwareSetting Up General Information USB ConnectorsConnecting the Power Adapter Connecting the Hardware Interface CablesConnecting the USB Cable Open the VistaScan software application Setting VistaScan PreferencesClick Programs Select VistaScan Click VistaScan Color Matching/Correction GeneralShow Ruler Scan DestinationTips Help Printer FileMail Fax Scanner InformationApplication Page VistaScan Beginner Window Features Performing the Preview Scan Selecting the Scan To Device or Application Defining the Type of Image to Scan VistaScan Advanced Features Changing the Original Document Source Changing the Image ModeCompaq S4100 Owner’s Guide Changing the Resolution Setting Choosing the Best Resolution for Your Scanning Project Resolution/File-Size GuidelinesRecommended Resolutions Image Use Recommended ResolutionChanging the Descreen Feature Using Custom Resolution SettingsUsing Custom Descreen Settings Changing the Filter Setting Changing the Scale Factor Using Custom Scale SettingsUsing the Auto Adjustment Feature Selecting the Scan To Device or Application Using the Scan Control UnitUsing the Multiple Scan Mode Using the Color Adjustment Features Using the Brightness Bar Highlight Bar Gamma Bar Adjusting the Color Balance Adjusting the Image TonesRotating/Inverting an Image Using VistaAccess Using VistaShuttle Compaq S4100 Owner’s Guide To use the copy utility Using the Copy UtilityCopy Utility Features To turn the scanner lamp off Turning the Scanner Lamp On and OffTo turn the scanner lamp on Push Button Scanning Configuring the Push ButtonsClick the Push Button Configuration option Configuring the Scanner Button Values Configuring the Copy Button Values To configure the values for the e-mail function Configuring the Custom Button ValuesPage To configure the values for the FAX function Using the Push Buttons Compaq S4100 Owner’s Guide Page Scanning Projects Using VistaScan to Scan and Print ImagesUsing VistaScan to Scan a Photo to E- mail Click Programs Select Presto! PageManager Deluxe Using Presto! PageManager to Scan a Color PhotoClick Programs Select Presto! PageManager Deluxe Compaq S4100 Owner’s Guide Page Accessing the Compaq VistaScan Online Manual Using Online ManualsAccessing the Presto! PageManager Online Manual Click Programs Click VistaScanGeneral Problems and Solutions TroubleshootingWindows 98/98SE/2000/ME Problems and Solutions ProblemCompaq S4100 Owner’s Guide Problem Solution Page Contacting Technical Support Cleaning MaintenanceScanner Specifications Technical SpecificationsImportant Safeguards Compaq S4100 Owner’s Guide European Union Notice Modifications Cables