UMAX Technologies Astra 4000 manual Changing the Filter Setting, Using Custom Descreen Settings

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To change the Descreen setting:

1.Click the Descreen option to display the drop down menu.

2.Choose one of the Descreen options: No Descreen – No Descreening.

Magazine – Specifies 133 lines per inch. This option smoothes the fine dot pattern found in glossy magazines.

Newspaper – Specifies 85 lines per inch. Smoothes the coarse grain pattern commonly found in newspaper images.

Art Print – Specifies 175 lines per inch. Smoothes the fine dot pattern found in high quality art print.

Custom – Opens the Custom Descreen window, which allows you to specify a custom line screen value. Refer to the Using Custom Descreen Settings section for information about how to set custom descreen values.

Using Custom Descreen Settings

You can also specify custom descreen settings that you can use when you want to change the lines per inch setting to eliminate patterns that are generated while scanning printed images. You can enter custom settings that range from 35 to 400 lines per inch. To define the custom descreen settings:

1.Choose the Custom… option from the Descreen drop down menu. The Custom Descreen window opens.

2.Enter the desired lines per inch setting (between 35 and 400 lpi) in the Custom descreen lpi #1 text box.

3.Repeat step 2 to define the Custom descreen #2 and Custom descreen #3 settings.

4.Click OK. The settings you defined appear on the Descreen setting drop down menu, under the Custom heading.

Changing the Filter Setting

Image filters are used to soften or sharpen edges and boundaries of an image.

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Contents Astra 4000U TrademarksTable of Contents HOW to GET HELP………………………………………………………….38 Using Online Manuals……………………………………………………………………………………..38Troubleshooting……………………………………………………………………………………………40 Scanner Specifications……………………………………………………………………………………..47Package Contents IntroductionUnpacking the Scanner Getting to Know Your ScannerSystem Requirements Installing the SoftwareInstalling PhotoShop LE on Your PC Installing the Hardware Installing PhotoShop LE on Your MacintoshConnecting the Hardware Interface Cables About Scanner ConnectorsSetting Up General Information Connecting the Power Adapter Macintosh ConnectionScanning Your First Image With PhotoShop LE MacintoshTurning the Scanner Lamp On and Off Color Matching/Correction Setting VistaScan PreferencesGeneral Scan Destination Show RulerTips Help FilePrinter MailFax ApplicationPerforming the Preview Scan VistaScan Beginner Window FeaturesScanner Information Selecting the Scan to Device or Application Changing the Original Document Source VistaScan Advanced FeaturesDefining the Type of Image to Scan Changing the Image Mode Changing the Resolution Setting Resolution/File-Size GuidelinesChanging the Descreen Feature Choosing the Best Resolution for Your Scanning ProjectRecommended Resolutions Using Custom Resolution SettingsChanging the Filter Setting Using Custom Descreen SettingsUsing Custom Scale Settings Changing the Scale FactorUsing the Auto Adjustment Feature Using the Scan Control UnitUsing the Multiple Scan Mode Selecting the Scan to Device or ApplicationUsing the Color Adjustment Features Using the Brightness BarAdjusting the Image Tones Adjusting the Color Balance Rotating/Inverting an ImageTo use VistaAccess from the Macintosh Using VistaAccess Direct AccessTo use VistaAccess from the PC Using VistaShuttle Using the Umax Copy Utility To use the copy utilityUmax Copy Utility Features Using VistaScan to Scan and Print Images Click Programs Click VistaScanUsing VistaScan to Scan a Photo to E-mail Click Programs Select Presto! PageManagerPage Converting Scanned Text to Editable Text with OmniPage Converting Scanned Text with OmniPage LEOpening OmniPage LE Click Programs Select the Caere Applications optionClick Programs Select Presto! PhotoAlbum Creating an Album with Presto! PhotoAlbumOpening PhotoAlbum Creating a PhotoAlbum For PC Users Accessing the Adobe PhotoShop Online Manual Using Online ManualsAccessing the Umax VistaScan Online Manual Double-click the Presto! PageManager 2.31.02 folder Accessing the Presto! PageManager Online ManualAccessing the Caere OmniPage Online Manual Troubleshooting Installing Acrobat Reader for Macintosh UsersGeneral Problems and Solutions Windows 98/95 OSR2 Problems and SolutionsSelect Properties Click Settings Click Control Panel Macintosh Problems and Solutions System takes too long to scan Contacting Technical Support Product Registration Maintenance CleaningAppendix A. Techinical Specifications Scanner Specifications

Astra 4000 specifications

UMAX Technologies has made significant strides in the technology landscape with its innovative offering, the Astra 4000. This advanced device stands at the intersection of cutting-edge technology and user-centric design, making it a noteworthy contender in the competitive tech market.

One of the standout features of the Astra 4000 is its powerful processing capabilities. Equipped with a high-performance processor, it ensures that users experience seamless multitasking and swift application launches. With its impressive RAM capacity, users can run multiple applications simultaneously without any lag, enhancing productivity and overall user experience.

The Astra 4000 also boasts a high-resolution display that delivers vivid colors and sharp images, making it perfect for both work and entertainment. Whether it's for graphic design, video editing, or simply streaming high-definition content, the display is optimized to provide exceptional clarity and brightness. This focus on visual excellence is complemented by advanced graphics processing, enabling rich visual experiences in gaming and multimedia applications.

In terms of connectivity, the Astra 4000 is designed for the modern user. It supports a variety of connectivity options, including Wi-Fi 6 and Bluetooth 5.0, providing faster internet speeds and improved connection stability. This extensive range of connectivity choices enables seamless communication with other devices and ensures that users can stay connected wherever they are.

Security is another area where the Astra 4000 shines. It incorporates biometric authentication features such as fingerprint scanning and facial recognition, providing users with enhanced security. This level of protection is increasingly necessary in today's digital landscape, where safeguarding personal information is paramount.

Additionally, UMAX Technologies has placed a strong emphasis on energy efficiency with the Astra 4000. The device is engineered to consume less power, thereby extending battery life without compromising performance. This makes it an excellent choice for users who are often on the go and need a reliable device that can last through long workdays or travel.

Lastly, UMAX Technologies provides robust customer support and regular software updates for the Astra 4000, ensuring that users have access to the latest features and enhancements. With its blend of advanced technology, user-centric features, and a strong focus on security and efficiency, the Astra 4000 is poised to redefine the user experience in its category.