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4-14

Contrast:

Adjusts the range between the darkest and the lightest
shades in the image.  The higher the
contrast, the bigger the different gray scales.

Decrease your Contrast

Normal

Increase your Contrast

Gamma:

Adjusts the midtone of the image without losing details
of the lightest and the darkest areas.

Gamma Value: 1.0

Gamma Value: 1.4

Gamma Value:  2.0

Содержание AV810CPlus

Страница 1: ...User s Manual For AV810CPlus AV820CPlus AV830CPlus Document Imaging Scanner Doc No 250 0332 E V1 0 Avision Inc ...

Страница 2: ...pyright 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 a...

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: ... 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 use only shield interface cables when connecting to computer or pe...

Страница 5: ... 1 3 1 MAC USERS 3 1 3 2 PC USERS 3 4 3 2 1 WINDOWS 3 1 OR WINDOWS 3 1X 3 4 3 2 2 WINDOWS 95 WINDOWS 98 OR WINDOWS NT4 0 3 5 4 SCANNER OPERATION 4 1 4 1 STARTING YOUR FIRST SCAN FROM WITHIN A TWAIN OR A PLUG IN APPLICATION 4 1 4 2 USING AVISION SCANNER DRIVER USER INTERFACE 4 5 4 2 1 CHOOSING YOUR SCANNING SOURCE 4 5 4 2 2 DETERMINING YOUR RESOLUTION 4 6 4 2 3 SELECTING A PROPER IMAGE TYPE 4 8 4 2...

Страница 6: ...5 1 CLEANING THE ADF 5 1 5 2 CLEANING THE GLASS 5 3 5 3 REPLACING THE ADF DETACHABLE PAD MODULE 5 4 6 TROUBLESHOOTING 6 1 6 1 FREQUENTLY ASKED QUESTIONS 6 1 6 2 PAPERJAM IN THE ADF 6 4 6 3 TECHNICAL SERVICE 6 6 7 SPECIFICATIONS 7 1 ...

Страница 7: ...anner To ensure the 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 below shows how the scanner is packed Please check if all items are included ...

Страница 8: ...1 2 Figure 1 1 Scanner Package 1 Power Adapter 2 Power Cable 3 SCSI Cable 4 Output Paper Tray 5 User s Manual Software CD 6 SCSI Card 7 Scanner main unit 8 Cushion 9 Carton 1 2 3 4 6 5 7 8 9 ...

Страница 9: ...ely on an even flat surface Tilted or uneven surfaces may cause mechanical or paper feeding problems v Keep the shipping box and the material in case you may need to ship the scanner again 2 2 SCANNER UNPACKING Please unpack the scanner carefully If any item is missing or damaged please contact your authorizedAvision dealer immediately Remove the shipping retainer 1 Place the scanner on its side a...

Страница 10: ...2 2 Figure 2 1 Remove the shipping retainer Figure 2 2 Fasten the shipping retainer Shipping Position Use Position ...

Страница 11: ...I chain you may need to adjust the SCSI ID selector setting located on the back of the scanner See Figure 2 3 This setting assigns a specific device ID to the scanner If the ID number is duplicate with an existing SCSI device please select a new ID Note The factory setting for the scanner is ID 6 Usually ID 0 is assigned to an internal hard disk drive and ID 7 to SCSI adapter or host ID 8 and 9 ar...

Страница 12: ...2 4 Figure 2 3 SCSI ID setting Terminator switch SCSI ID Selector SCSI Terminator Switch ...

Страница 13: ...e to about 45 degrees Insert the ADF paper chute to auto feeder holes on the document cover as shown in Figure 2 4 3 Pull out the wire leg under the paper chute 4 Pull out the paper chute extension to the length you wish Figure 2 4 Install the ADF paper chute ADF Paper Chute Paper Chute Extension Document Cover ...

Страница 14: ...2 Insert the three clasp joints on the output paper rack in their respective places on the ADF 3 Release the paper rack gently Make sure the rack is firmly attached to the ADF 4 Pull out the output paper rack extension to the length you want Figure 2 5 Install the ADF output paper rack ADF Output Paper Tray ...

Страница 15: ...2 7 2 4 DOCUMENT LOADING For flatbed scanning see Figure 2 6 Figure 2 6 Lay the paper on the scanner Document Cover Original Document Glass Reference Mark Reference Frame ...

Страница 16: ...sily through the scanner To prevent occasional paper jam when automatically feeding multiple documents loosen the paper before loading See Figure 2 7 Figure 2 7 Use ADF to load multiple documents Left Guide Right Guide Document Balance Wire ...

Страница 17: ...the side of the scanner To turn on the scanner press the switch toward 1 At this moment the POWER LED should light up If not check the power Scanner Diagnostics The scanner has a built in self diagnostic function to detect system errors The self test is initiated each time the scanner is turned on During the test the READY LED is flashing At the end of the test if no error occurs the READY LED is ...

Страница 18: ...2 10 Figure 2 8 Cable connection SCSI Cable Connector Power Cable SCSI Port To PC SCSI Port To Power Outlet Power Switch SCSI Device B ...

Страница 19: ... on your computer Software Installation Windows 3 1 If your scanner comes with an Adaptec AVA 1505Ae then the installation of the SCSI card driver will be complete during the installation of the scanner driver Windows 95 Windows 98 Windows NT4 0 Windows 95 98 has embedded driver support for your host adapter When you start Windows 95 98 the host adapter is detected and the appropriate driver is au...

Страница 20: ... ISA Single Chip SCSI Controller as the adapter and then Confirm 4 Follow the on screen instruction to complete the installation 5 Restart your Windows NT 4 0 2 6 1 2 OTHER SCSI CARDS If you purchase your SCSI card separately from the scanner then please follow the installation instruction provided by your SCSI card supplier 2 6 2 MAC USER The Mac system already has SCSI controller built in Connec...

Страница 21: ...llation procedures of Avision scanner driver are as follows 1 Close all the applications including the anti virus program 2 Install on your computer the image editing or scanner related application you want to use with the scanner such as OmniPage PhotoShop etc 3 Insert Avision Driver Kit disk into your floppy disk drive The Avision Driver Kit X x x dialog box as Fig 3 1 will appear Read Read Me F...

Страница 22: ...ialog box as Figure 3 4 will appear on the screen Select the Avision Scan icon ignore the Scanner Model list and the Set SCSI ID button The list of scanner model will be displayed Click on the Set SCSI ID button The Scanner ID window as Fig 3 5 will appear Choose Detect The current Scanner ID number will be verified and highlighted Press OK button You can then start your application to use the sca...

Страница 23: ...3 3 Figure 3 5 Scanner ID Note You can find the latest driver in our homepage located at the World Wide Web WWW with the web site http www avision com ...

Страница 24: ...or installation v 16M bytes of RAM 32M bytes or higher recommended v A video graphics array VGA monitor v A Microsoft Windows compatible pointing device e g the mouse v A CD ROM drive Installation procedures ofAvision Scanner driver are as follows 1 Start Windows 3 1 Windows 95 Windows 98 or Windows NT 4 0 2 Insert Avision PaperCom Supreme CD to your CD ROM drive 3 2 1 WINDOWS 3 1 OR WINDOWS 3 1X ...

Страница 25: ...ss the Start button and choose RUN Type d driver scsi exe d means the letter indicating your current your CD ROM drive Choose O K 4 Follow the subsequent instruction on the screen to complete the instruction Normally just press OK and the installation will be completed ...

Страница 26: ...o scan and load the image to your computer The command to start the scanner driver may vary due to different software applications To check the correct command please refer to the user manual of your software application 4 1 STARTING YOUR FIRST SCAN FROM WITHIN A TWAIN OR A PLUG IN APPLICATION MAC Users 1 Start your application For example Adobe PhotoShop Ulead ImagePals MGI PhotoSuite and so on F...

Страница 27: ...e text facing away from you 5 Click the Preview or Scan button to preview or scan your document or image Figure 4 1 Mac Plug in user interface TWAIN Stands for Technology Without An Interesting Name an industry standard protocol which exchanges information between the application and image acquisition device such as scanners ...

Страница 28: ...ile menu If theSelect Source command is not available from the File menu see the user guide of your application to learn how the TWAIN link is used 2 A dialog box appears containing the different TWAINsources for you to choose from to bring an image into your application ...

Страница 29: ...se you will need to selectMrScan Expert as the source again before you can reuse the scanner 4 Place the document upside down on the document board with the text facing away from you 5 From the File menu choose Acquire 6 Avision TWAIN user interface as Figure 4 2 will pop up on the screen ClickPreviewor Scanbutton to scan the document Figure 4 2 PC TWAIN user interface ...

Страница 30: ...R INTERFACE 4 2 1 CHOOSING YOUR SCANNING SOURCE Two scanning sources are provided flatbed as well as transparency However if you have not installed the transparency kit please leave the source to the flatbed option Figure 4 3 Scanning Source ...

Страница 31: ...pi Normally the greater the dpi number the higher the resolution and the image file size Be aware that the greater resolution takes more time memory and disk space therefore up to a certain degree of dpi the resolution will not visually be improved on the contrary it makes your files more unmanageable Figure 4 5 Resolution Control Resolution 50 dpi Resolution 100 dpi ...

Страница 32: ...n 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 File Fax E mail Your Document LineArt 200 View Copy Edit Your Color Picture True Color 100 OCR Your Document LineArt 300 OCR Stands for Optical Character Recognition the process to convert a...

Страница 33: ...4 8 4 2 3 SELECTING A PROPER IMAGE TYPE Select image type through the mode from the scanner user interface for your own purpose Please see Figure 4 4 as shown in below Figure 4 4 Image Type ...

Страница 34: ...LineArtis 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 true color images Figure 4 5 A Lineart Image Pixel A combination of two words picture and element a pixel is a single dot on a computer displa...

Страница 35: ...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 Figure 4 6 A Halftone Image ...

Страница 36: ...a Gray image with 4096 shades of gray between pure black and pure white Gray is the best choice of image if you wish to scan a black and white photograph With 12 bits of color information per pixel the disk space required to save a gray image is eight times more than lineArt and 1 3 of that required to save a 24 bit true color image Figure 4 7 A Gray Image ...

Страница 37: ... true color image Figure 4 8 A 256 Color Image True Color A 36 bit Color image consists of three 12 bit color channels The red green and blue channels are mixed together to create a combination of one billion 2 36 colors which give a more true to life quality to the image True Color is the best choice if you want to scan a color photo Figure 4 9 A True Color Image ...

Страница 38: ...AGE Brightness Adjusts the lightness or darkness of an image The higher the value the brighter the image Decrease your Brightness Normal Increase your Brightness Contrast Gamma Shadow Hue Saturation Intensity Brightne s Highlight ...

Страница 39: ...s in the image The higher the contrast the bigger the different gray scales Decrease your Contrast Normal Increase your Contrast Gamma Adjusts themidtone of the image without losing details of the lightest and the darkest areas Gamma Value 1 0 Gamma Value 1 4 Gamma Value 2 0 ...

Страница 40: ...image while shadow refers the darkest point Using Highlight and Shadow tool together allow you to extend the range of color and reveal more details in a gray or color image Highlight 255 Shadow 0 Normal Highlight 210 Shadow 10 Highlight 200 Shadow 0 Highlight 255 Shadow 50 ...

Страница 41: ...el of intensity for the color will be changed simultaneously when the hue adjustment is made The Color Wheel Intensity Adjust the color strength by clicking the Up or Down arrow button Saturation Adjust the saturation level for the color by clicking the Up or Down arrow button The level of saturation decides if the color is pale or rich ...

Страница 42: ...r red color background choose the R Red channel then any text or background in red color will be removed Yet this function supports only black white and gray image Therefore be sure to choose any black white or gray image type while applying this function Tip An increase of brightness after removing one of the color channel will make your image more clear Auto Crop Invert Image Quality Mode Speed ...

Страница 43: ...The red watermark has been removed Note SRGB The SRGB function allows your scanned image to retain the same image quality among your scanning software computer monitor and printing output if both your computer monitor and printer support SRGB However the gamma adjustment will be disabled while applying this item since it has been optimized ...

Страница 44: ...9 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 After Invert ...

Страница 45: ...se to that of the original This function uses default parameters to adjust the image Before Color Matching After Color Matching Quality Speed Mode Choose Speed Mode if you need to speed up your scanning task Choose Quality Mode if you need a better quality of your scanning result ...

Страница 46: ...ts the highlight and shadow areas of the scanned image to give it an optimal effect Before Auto Level After Auto Level Auto Crop Automatically sets the whole document as the scan area no matter what its size Before Auto Crop After Auto Crop ...

Страница 47: ...4 22 Sharpen Sharpens the scanned image Look for more selections under this item Original Extra Heavy ...

Страница 48: ...n Eliminates themoire patterns commonly found in printed matter Before Descreen After Descreen Moire pattern An undesirable pattern in a color printing resulting from incorrect screen angle of overprinting halftone ...

Страница 49: ...ton to create your scan area Release the left mouse button when the area has been successfully selected Zoom Click and place your cursor on the preview area The cursor will turn a zoom sign to enlarge or reduce press the Alt key you r preview image Move Image Click and place your cursor anywhere on the preview area The cursor now turns a hand sign to allow you to move the preview image to view a s...

Страница 50: ... Width Height Fix your output width and height despite of the scan size you have selected Note the scale value will be changed automatically when you applying this function and resizing your selected area at the same time Quick Choice Scan Size Provide frequently used scan size option including Business Card 5 x 3 6 x 4 Letter Legal B5 A5 A4 A3 or your current scan area to perform an immediate sel...

Страница 51: ...nned Scan Scans the area with the parameters you have set Exit Cancels the current job As shown in the figure below in the Preview window you can define the area to be scanned by dragging the cursor auxiliary lines with the mouse Cursor turns arrow to resize the scan area The Preview Window ...

Страница 52: ...ents 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 in Figure 5 1 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 s...

Страница 53: ...5 2 Figure 5 1 Opening the ADF unit ADF Pad Module Feeding Roller ...

Страница 54: ...some isopropyl alcohol 95 Open the ADF unit and document cover as shown in Figure 5 2 Wipe the glass of flatbed and ADF area by moving the swab from side to side Close the ADF unit and document cover Your scanner is now ready for use Figure 5 3 The cleaning area Glass ...

Страница 55: ...e it is 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 by depressing the ADF release button 2 Use your fingers to hold the ADF detachable pad module and pull it out as shown in Figure 1 Figure 1 Remove the pad module ADF Release B...

Страница 56: ...bling Procedure 1 Take out the ADF pad module from the box 2 Use your fingers to hold the ADF pad module and place it gently to the pad holder as shown in Figure 2 Figure 2 Install the pad module ADF Pad Module ...

Страница 57: ...k the following troubleshooting hints 6 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 58: ...ler 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 retainer from the scanner Please remove the shipping retainer first 2 You did not place the scanner on a flat desktop surface This may cause the scanner to functio...

Страница 59: ... makes noises or it scans back and forth Answer Please choose lower speed from the TWAIN user interface for low speed PC Question The scanned image always comes out to be too dark Answer 1 Use your application to modify the Gamma setting to 2 2 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 w...

Страница 60: ...rn off the scanner Press the button at the front left of the scanner 2 The ADF cover will pop up a little 3 Backward on its hinge open the ADF cover to its full position 4 Pull the paper gently out of the ADF unit Figure 6 1 Handle the paper jam problem press the button ADF Release Button ...

Страница 61: ...6 5 Figure 6 2 Handle the paper jam problem pull out the paper ADF Unit ADF Paper Chute Document ...

Страница 62: ...d interface card etc v The name and version of your software application v The version of your scanner driver Please call us at US and Canada Area Avision Labs Inc Address 6815Mowry 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 Industr...

Страница 63: ...ode fluorescent lamp ADF Capacity 50 pages ADF Scanning Speed AV810C Plus AV820C Plus AV830C Plus 10 PPM 200 dpi B W mode 20 PPM 200 dpi B W mode 30 PPM 200 dpi B W mode Scanning Document Size ADF mode 8 5 x 14 Flatbed mode 8 5 x 11 69 Drivers Bundled TWAIN ISIS Interface SCSI 2 Power Requirement DC 24V 1 2A Power Consumption 36W Humidity 20 to 80 RH Operation Temperature 10 to 40 C Storage Temper...

Страница 64: ...v Paper with inconsistent thickness such as envelopes v Paper with wrinkles curls folds or tears v Tracing paper v Coated paper v Carbonless paper v Paper narrower than 3 5 or wider than 8 5 v Items other than papers such as cloth metal or OHP film v Notched paper v Paper with an odd non rectangular shape v Very thin paper ...

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