Avision AV600U Скачать руководство пользователя страница 34 | Manualshive

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5-6

Halftone

In addition to the black and white display, Halftone simulates

gray scale by using different size of dots. Particularly when you

view the image at a certain distance, it looks very closely like a

gray image yet it consumes the least disk space. Halftone is the

picture that we usually see in newspapers or magazines. Since

Halftone is one type of black and white image, the disk space

required to save a halftone image is 1/24 of that required to save

a 24-bit true color image.

Halftone Image

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Содержание AV600U

Страница 1: ...User s Manual AV600U Document Imaging Scanner Avision Inc D N 250 0353 E Rev 3 0 ...

Страница 2: ...Copyright All rights reserved No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means electronic mechanical magnetic optical chemical manual or otherwise without the prior written permission of Avision Inc Material scanned by this product may be protected by governmental laws...

Страница 3: ...o warranty of any kind with regard to this material including but not limited to the implied warranties of fitness for a particular purpose Avision shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material ...

Страница 4: ... try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help FCC CAUTION To assure continued compliance example us...

Страница 5: ...OARD 2 4 2 5 CNNECTING THE CABLES 2 5 3 SCANNER DRIVER INSTALLATION 3 1 3 1 INSTALLATION PROCEDURES 3 2 3 2 INSTALLING THE CD SOFTWARE 3 9 4 SCANNER OPERATION 4 1 4 1 USER INTERFACE OPERATION 4 1 5 USER INTERFACE 5 1 5 1 SCAN METHOD 5 1 5 2 DETERMINING YOUR RESOLUTION 5 1 5 3 SELECTING A PROPER IMAGE TYPE 5 4 5 4 ENHANCING YOUR IMAGE 5 10 5 5 CONTRAST 5 11 5 6 INVERT IMAGE 5 12 ...

Страница 6: ...VANCED SETTINGS 5 17 5 16 CURVES 5 3 5 17 COLOR BALANCE 5 4 5 18 COLOR DROP OUT 5 6 5 19 CUSTOM SETTINGS 5 7 5 20 MISCELLANEOUS 5 9 6 ISIS INTERFACE OPERATION 6 1 7 CARE AND MAINTENANCE 7 1 7 1 CLEANING THE ADF 7 1 7 2 CLEANING THE GLASS 7 4 7 3 REPLACING THE ADF DETACHABLE PAD MODULE 7 5 8 TROUBLESHOOTING 8 1 8 1 FREQUENTLY ASKED QUESTIONS 8 1 8 2 PAPER JAM IN THE ADF 8 4 ...

Страница 7: ...vii 8 3 TECHNICAL SERVICE 8 5 9 SPECIFICATIONS 9 1 ...

Страница 8: ...optimum performance of the scanner please take a few minutes to read through this manual before you install and operate the new scanner The manual contains important information on how to unpack install operate and maintain the scanner properly Figure 2 1 in the next page shows how the scanner is packed Please check if all items are included AV600U Scanner ...

Страница 9: ...1 2 Quick Guide CD Paper Guide Paper Guide Extension USB Cable Power Supply Power Cable Paper Stop ADF Pad ...

Страница 10: ...ing problems 9 Keep the shipping box and the material in case you may need to ship the scanner again 9 Use only the AC adapter ADP 20LB Rev B made by Delta Electronics Inc included with the machine Using other AC adapters may damage the machine and void the warranty 2 2 SCANNER UNPACKING Please unpack the scanner carefully If any item is missing or damaged please contact your authorized Avision de...

Страница 11: ...2 2 Figure 2 1 Lock Removal Lock Unlock ...

Страница 12: ...2 3 2 3 LOADING THE PAPER WITH ADF Place your document with the text face up and make the top of the page to the left side as shown below A B C 1 2 3 Top of Page Feed Direction Figure 2 4 ...

Страница 13: ...2 4 2 4 FIXING PAPER ON THE GLASS BOARD Align the document to the reference mark as indicated Figure 2 6 Lay the paper on the scanner Reference Mark Document ...

Страница 14: ...2 5 2 5 CNNECTING THE CABLES Be sure the scanner power is switched off Connect the power cable ADF cable and USB cable as below Step 1 Connect the ADF Cable Step 2 Connect the USB Cable ...

Страница 15: ...2 6 Step 3 Connect the Power Cable ...

Страница 16: ...2 7 Figure 2 7 Cable Connection Turning on the Power The power is controlled by a toggle switch on the side of the scanner To turn on the scanner press the switch toward 1 ...

Страница 17: ...mum requirements 9 IBM compatible Pentium Π or later 9 Microsoft Windows 98se or later 9 One USB port installed on your computer 9 20M bytes of available hard disk space for installation 9 64M bytes of RAM 9 A video graphics array VGA 16 7 m monitor 9 A Microsoft Windows compatible pointing device e g the mouse 9 A CD ROM drive ...

Страница 18: ...h is going to connect to AV600U via a USB cable 2 Connect the attached power cord and USB cable to the AV600U See Chapter 1 3 Windows will now prompt a series of Add New Hardware Wizard in succession to install the necessary software for the new USB hardware Follow these steps to complete the installation ...

Страница 19: ...3 3 4 When the initial Add New Hardware Wizard dialog below is prompted choose Next 5 Insert the supplied CD ROM into your current CD ROM drive ...

Страница 20: ...3 4 6 When the next Add New Hardware Wizard dialog below is prompted choose Search for the best driver for your device and then choose Next ...

Страница 21: ...3 5 7 When the Add New Hardware Wizard dialog below is prompted check Specify a location click Browse to choose the Driver directory from the CD drive and then choose Next ...

Страница 22: ...3 6 8 When Windows has detected AV600U as shown below choose Next ...

Страница 23: ...3 7 9 Follow the instructions to insert Windows CD ROM as shown below and choose OK ...

Страница 24: ...3 8 10 Choose Finish when the finish message is displayed as shown below ...

Страница 25: ...ed CD into your CD ROM The installation menu appears as shown below Note If the Installation menu fails to appear an alternative method is to click the Start button on the task bar choose Run and type d cdsetup exe D your CD ROM drive in use and click O K ...

Страница 26: ...o install the TWAIN or ISIS driver 3 Click Install Application to install all application software 4 Follow the on screen instructions to install applications respectively 5 Restart the PC after installing all software applications ...

Страница 27: ...and please refer to the user manual of your software application 4 1 USER INTERFACE OPERATION 1 Open your TWAIN scanning application 2 Pull down the File menu and choose Select Source If the Select Source command is not available on the File menu see your application s user s guide to determine how the TWAIN link is used A dialog box with a list of scanning sources appears 3 Select Avision Scanner...

Страница 28: ...ode you want to use for your scans on the Image Type drop down menu 8 Select a scanning resolution on the Resolution drop down menu 9 Select the settings for the scanning features e g Sharpen Descreen etc that you want to use 10 Click on the Preview or Scan button to preview or scan your document s ...

Страница 29: ...an batches of single page document at a time Flatbed uses this setting if you are using the flatbed to scan one page at a time 5 2 DETERMINING YOUR RESOLUTION A good control of the resolution results a satisfactory detail of an image that scans The resolution is measured by dots per inch dpi Normally the greater the dpi number the higher the resolution and the image file size ...

Страница 30: ...r resolution takes more time memory and disk space therefore up to a certain degree of dpi the resolution will not visually be improved and on the contrary it makes your files more unmanageable Resolution 50 dpi Resolution 100 dpi ...

Страница 31: ...need to scan a small area at True Color mode 2 You can also refer to the following table to choose a proper resolution while applying your image to other application Scanner Settings Application Image Type Resolution dpi Scan Your Document LineArt 200 Scan Your Color Picture True Color 100 OCR Your Document LineArt 300 OCR Stands for Optical Character Recognition the process to convert an image to...

Страница 32: ... in black and white only and there are no intermediate shades of gray in between That means each pixel of the image is 100 black or 100 white LineArt is the best choice of image type if you want to scan text pen or ink drawing Since only 1 bit of black or white information is required for each pixel the disk space required for saving lineArt image is only about 1 24 of that required to save 24 bit...

Страница 33: ...5 5 Lineart Image Pixel A combination of two words picture and element a pixel is a single dot on a computer display or in a digital image ...

Страница 34: ...image at a certain distance it looks very closely like a gray image yet it consumes the least disk space Halftone is the picture that we usually see in newspapers or magazines Since Halftone is one type of black and white image the disk space required to save a halftone image is 1 24 of that required to save a 24 bit true color image Halftone Image ...

Страница 35: ...yscale image with 1024 shades of gray between pure black and pure white Choose this option if you are scanning black and white photographs With 8 bits of color information per pixel the file size of an image is eight times larger than a Black and White image and 1 3 the size of a 24 Bit Color image Gray Image ...

Страница 36: ...5 8 8 Bit Color An 8 Bit Color image provides 256 color hues in the image The file size of a 256 color image is 1 3 the size of a 24 Bit Color image 8 Bit Color Image ...

Страница 37: ...f three 8 bit color channels The red green and blue channels are mixed together to create a combination of one billion colors which give a more true to life quality to the image Choose 24 Bit Color if you are scanning color photos 24 Bit Color Image ...

Страница 38: ...5 10 5 4 ENHANCING YOUR IMAGE Brightness Adjusts the lightness or darkness of an image The higher the value the brighter the image ...

Страница 39: ...5 11 5 5 CONTRAST Adjusts the range between the darkest and the lightest shades in the image The higher the contrast the bigger the different gray scales ...

Страница 40: ...5 12 5 6 INVERT IMAGE The invert command reverses the brightness and the color in the image For color images each pixel will be changed into its complementary color at the command of Invert Original ...

Страница 41: ...5 13 5 7 MIRROR Click on the Mirror button to reverse the image create a mirror image Mirror function is off Mirror function is on ...

Страница 42: ...opping area for all of the scanned documents 5 9 PAPER SIZE Select a size on the Paper Size list of frequently used scan sizes including business card 5 x 3 in 6 x 4 in Letter Legal B5 A5 A4 A3 or your current scan area to perform an immediate selection of your scan size 5 10 UNITS The Units button indicates the measuring system that is in use Inch Cm or Pixel ...

Страница 43: ...ton to access a drop down menu that allows you to specify the type of document you are scanning in order to eliminate the moiré pattern commonly found in printed matter You can specify Newspaper Magazine or Catalog Before Descreen After Descreen ...

Страница 44: ...own menu that allows you to specify a level to sharpen the scanned image You can specify a Sharpen setting of Light More Heavy or Extra Heavy 5 13 COLOR ADJUSTMENT Click on the Color Adjustment button to enable the button for the Hue Saturation and Lightness feature NOTE The Advanced Settings button must be enabled in order to use the Hue Saturation and Lightness feature ...

Страница 45: ...ns on the right side of the TWAIN dialog box Highlight Shadow This feature is available when 8 Bit Gray 8 Bit Color or 24 Bit Color is selected on the Image Type drop down menu Highlight refers the lightest point in a scanned image shadow refers the darkest point Click on the Highlight Shadow button to access the Highlight Shadow Levels dialog box You can type values in the text boxes or you can p...

Страница 46: ...5 2 Use the Highlight and Shadow settings together to extend the range of color and reveal more details in a color image ...

Страница 47: ...to adjust the midtone of the image without losing details in the lightest and darkest areas Select the Curve or Line button depending on if you want a curved or an angled setting Place the mouse cursor over the line click the right mouse button and drag the line to set the curve you want ...

Страница 48: ...dialog box appears that allows you to adjust the color of the image so that it comes close to that of the original The default parameters are used to adjust the image You can type values in the Color Levels text boxes or you can drag the sliding arrow under the color ...

Страница 49: ... 360 by clicking on the desired color on the color wheel or selecting a setting on the drop down menu Note that the level of intensity for a color simultaneously changes when the hue adjustment is made Saturation specifies a value in the Saturation box to adjust the saturation level of the color The level of saturation indicates whether the color is pale or rich Lightness specifies a value in the ...

Страница 50: ...e color channel while scanning For example if your image contains red text or a red background choose R channel red to remove the red text or red background This feature is applicable only for black and white and grayscale images Make sure that you have selected a black and white or grayscale image type on the Image Type drop down menu when you use this option Tip Increasing the brightness after r...

Страница 51: ...log box where you can save your scan settings and configuration settings There are two tabs Scan Settings and Configuration Settings Scan Settings The Scan Settings tab allows you to save your scanning feature settings in a file load an existing file or delete an existing file ...

Страница 52: ...ick on the file name for the settings you want to use and click on the Load button The settings in the file will automatically be specified in the scanning features dialog box Deleting a scan settings file Right click on a file name and press the Delete button on the computer keyboard to delete the file You cannot delete the default scan settings file default av2 Configuration Settings The Configu...

Страница 53: ...ar when you place the mouse cursor on an item in the dialog box Click on the Apply button to save the changes 5 20 MISCELLANEOUS Width Shows the current image width Height Shows the current image height Size Shows the current file size of the scanned image Lock scale Click on this button to fix the output width and height despite the selected scan size The scale value automatically changes when yo...

Страница 54: ...o be used for future scans When a scanning feature is changed and applied the Preview image is updated for a real time view of the change You can define the area to be scanned by dragging the cursor lines with the mouse Zoom view Click on the Zoom view button to preview a selected area Scan Click on the Scan button to scan the area with the specified parameters You can define the area to be scanne...

Страница 55: ... including b w gray color options Dither 5 halftone levels available can be disabled Dots per inch select your desired resolution Paper Size select your desired paper size Brightness adjust your scan image brightness or darkness Contrast Adjust the range between the darkest and the lightest shades in the image Default click to reset all settings Area select your desired scan area or position ...

Страница 56: ...ocuments do not feed smoothly or easily 2 Several documents feed at one time The cleaning procedures 1 Wet a cotton swab with some isopropyl alcohol 95 2 Open the ADF unit as shown below and wipe the upper feeding roller by moving the swab from side to side Rotate the roller forward with your finger and repeat the above cleaning procedures until the entire roller is cleaned Be careful not to snag ...

Страница 57: ...7 2 Move the paper guide extension in this direction Move the paper guide in this direction ADF Pad ADF Roller Following Roller ...

Страница 58: ...ab with some isopropyl alcohol 95 2 Open the ADF unit and document cover as shown below Wipe the glass of flatbed and ADF area by moving the swab from side to side 3 Close the ADF unit and document cover Your scanner is now ready for use The cleaning area glass ...

Страница 59: ...highly recommended to replace the pad module with a new one For ordering the pad module please consult your nearest dealer and follow the procedure in below to replace it Removing Procedure 1 Open the ADF front cover 2 Remove the ADF detachable pad module by pulling out the upper part of the pad clamp as shown in the figure below Move the ADF front cover in this direction Press both arms of the AD...

Страница 60: ...7 6 Remove the ADF pad in this direction Remove the pad module ...

Страница 61: ...k the following troubleshooting hints 8 1 FREQUENTLY ASKED QUESTIONS Question The LED indicates that the scanner is ready but the scanner does not respond to the scan command form the host computer Answer Please check the signal cable is firmly seated and invoke the scan command again If there is still no response please reset the scanner by turning it off and then on again and reboot your host co...

Страница 62: ...eeding roller condition do the cleaning if necessary 2 Use the paper guide when feeding the paper Question When I power on the scanner it makes noises and will not stand ready Answer There are two possibilities 1 You forgot to remove the shipping lock from the scanner Please remove the shipping lock first 2 You did not place the scanner on a flat desktop surface This may cause the scanner to funct...

Страница 63: ...and 1 8 for your printer and monitor respectively 2 Adjust Brightness setting from the TWAIN interface to get a brighter image Question The scanner works well except for the line art the lines of which seem much thicker than the original Answer Increase the Brightness or adjust the Threshold setting to adjust the line art image ...

Страница 64: ...paper 1 Turn the AV600U off by disconnecting the power cable 2 Gently open the ADF front cover to the left 3 Carefully pull the paper out of the ADF unit 4 Close the ADF front cover 5 Turn on the AV600U by reconnecting the power cable AV600U is now ready to use Figure 6 1 Handle the paper jam problem ...

Страница 65: ...nterface card etc The name and version of your software application The version of your scanner driver Please call us at US and Canada Area Avision Labs Inc Address 6815 Mowry Ave Newark CA 94560 USA Telephone number 1 510 739 2369 Fax number 1 510 739 6060 Web Site http www avision com E mail support avision labs com Other Area Avision Inc Address No 20 Creation Road I Science Based Industrial Pa...

Страница 66: ...t Error Diffusion Optical Resolution up to 600 x 1200 dpi Light Source Cold cathode fluorescent lamp ADF Scanning Speed 12 PPM Scanning Document Size ADF mode 8 5 x 14 Flatbed mode 8 5 x 11 69 Interface USB Power Requirement 24V 1 0A Power Consumption 20W Operation Temperature 5 to 35 C Storage Temperature 40 to 60 C Dimension 447 x 316 x 275 mm WxDxH Weight 4 7 kgs 10 35 lbs ...

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