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Avision AV220, Руководство пользователя

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4-4

4.1.3  Determining a Proper Resolution 

  

 

1.

  

Resolution

 

A proper resolution 
reproduces a clear image 
with good details.  The 
resolution is measured by 
dots per inch (dpi).  

 

 

 

 

Resolution: 50 dpi

 

 

Resolution: 100 dpi

 

 

Note 

For your information, an A4 size color image scanned at 300 dpi at True Color 
mode consumes approximately 25 MB of disk space. A higher resolution 
(usually means over 600 dpi) is only recommended when you need to scan a 
small area at True Color mode.

 

1 

Содержание AV220

Страница 1: ...AV220 User s Manuall Avision Inc...

Страница 2: ...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 and othe...

Страница 3: ...arantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipmen...

Страница 4: ...Park Hsinchu Taiwan R O C declare that the product Model Number AV220 conforms to the following Product Specifications Emission EN 50081 1 1992 EN 55022 Class B Conducted Radiated 1994 EN 60555 2 Har...

Страница 5: ...Windows IBM compatible PC Pentium III 600 or higher Microsoft Windows 98 98SE Me 2000 XP USB port Hi Speed with USB 2 0 card only Compatible with USB 1 1 At least 100 MB of free hard disk space At lea...

Страница 6: ...1 Loading Your Paper 3 1 3 1 1 Notice on Using the ADF 3 1 3 1 2 Placing Your Document in the ADF Paper Tray 3 2 3 2 Scanning with image editing software 3 3 3 2 1 A Glance of the user interface 3 5...

Страница 7: ...4 hanging Color Hue Saturation Lightness 4 16 4 2 5 sing Color Balance 4 17 4 2 6 olor Drop out 4 18 4 3 Using other Tools 4 19 5 Maintenance 5 1 5 1 Cleaning the ADF 5 1 5 2 Cleaning the Calibration...

Страница 8: ...two sided paper documents to effectively increase your productivity Before you install and operate the new scanner please take a few minutes to read through this manual It provides proper instructions...

Страница 9: ...use the AC adapter SA60 24 made by Sino America included in the machine Using other AC adapters may damage the machine and void the warranty 2 Please unpack the packing carefully and check the conten...

Страница 10: ...excessive heat may cause damage to the unit Do not install the scanner in a humid or dusty place Be sure to use the proper AC power source Place the scanner securely on an even flat surface Tilted or...

Страница 11: ...2 2 1 Installing the ADF Paper Tray 1 Attach the ADF Paper Tray to the clip joint of the scanner as indicated below When properly insert you will hear a snap in sound ADF Paper Tray Scanner Clip Join...

Страница 12: ...ome 30 degrees as shown in below 2 Insert the right protrusion of the Output Paper Tray into the hole on the front of the scanner 3 Insert the left protrusion of the Output Paper Tray slightly into th...

Страница 13: ...into the power jack of your scanner Insert the other end to an appropriate power outlet 2 3 2 Turning on the Power After the power cable and the USB cable have all connected press the power switch to...

Страница 14: ...ver first before connecting the scanner to your computer 1 Place the supplied CD ROM onto your CD ROM drive 2 The software installation graphic appears If not run cdsetup exe 3 Choose Install TWAIN Dr...

Страница 15: ...evice and prompt a New Hardware Found message Windows 9X Windows ME Windows 2000 XP 3 In Windows 9X or Windows ME confirm that the Search for a better driver is selected and click the Next button In W...

Страница 16: ...hotoSuite 4 SE the image editing and retouching application ScanSoft TextBridge Pro 9 0 The OCR software application and AVCapture The multi page document scanning program 8 Click View Manual to view...

Страница 17: ...llowing specifications Document s can range in size from 3 5 by 2 inches to 8 5 by 14 inches Legal Document s can range in weight from 16 to 28 lbs Document s should be square or rectangular and in go...

Страница 18: ...ional paper jam when automatically feeding multiple documents loosen the paper before loading Document feeding Place your document with the text face down on the ADF Paper Tray Align the two sides of...

Страница 19: ...scanner driver may vary due to different software applications 1 Start a TWAIN compliant software application such as Roxio PhotoSuite 4 SE which is bundled in the CD 2 Click Get Scanner TWAIN 3 Choos...

Страница 20: ...3 4 7 Click Exit to return to the main screen and click Open Library and Photos at the upper right corner to open your scanned image 1 Preview 2 Zoom View 3 Scan 4 Exit 5 Photos 5 4 3 1 2...

Страница 21: ...ss level from 100 to 100 5 Contrast Adjust the contrast level from 100 to 100 6 Further Tools Descreen Sharpen Color Adjustment Auto Level Advanced Settings From left to right 7 Invert Reverse the col...

Страница 22: ...1 4 Editing Your Image 4 1 Using the Basic Features 4 1 1 Choosing Your Scan Method 1 Scan Method Choice ADF Multipage Select this setting if you need to scan multi page document from the automatic d...

Страница 23: ...B W text pencil or ink sketch Halftone Halftones are reproduction of image that gives the illusion gray An example of halftone imaged would be the pictures you see in newspapers 8 bit Gray 8 bit Gray...

Страница 24: ...AV220 User s Manual 4 3 Black White Halftone Gray 8 bit Color 24 bit Color...

Страница 25: ...tion is measured by dots per inch dpi Resolution 50 dpi Resolution 100 dpi Note For your information an A4 size color image scanned at 300 dpi at True Color mode consumes approximately 25 MB of disk s...

Страница 26: ...darkness of an image The higher the value the brighter the image 2 Contrast Adjusts the range between the darkest and the lightest shades in the image The higher the contrast the bigger the different...

Страница 27: ...arging Previewed Image 1 Zoom View Enlarge your previewed image to the max of the preview window Note this function only enlarging your preview image This does not enlarge your real image Before Zoom...

Страница 28: ...ng and Selecting Your Image 1 Invert 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 In...

Страница 29: ...R FUNCTION Reverse the right and left side of your image Before Mirror After Mirror 3 Auto Select Image Automatically set the whole image as your scan area Or you may resize the area by drag and drop...

Страница 30: ...he moire patterns commonly found in printed matter 2 Sharpen Sharpen the scanned image Before Descreen After Descreen Before Sharpen After Sharpen Moire pattern An undesirable pattern in a color print...

Страница 31: ...e so that it comes close to the original This function uses default parameters to adjust the image Normal After Color Matching 4 Auto Level Automatically adjusts the highlight and shadow areas of the...

Страница 32: ...d Features 4 2 1 The Switch button 1 Click the button to pop up the advanced settings bar at the right side The advanced settings include Highlight Shadow Hue Saturation Lightness Curve Color Balance...

Страница 33: ...the darkest point Using Highlight and Shadow tool together allows you to extend the range of color and reveal more details in a gray or color image 1 2 3 1 Shadow The darkest point of an image 2 Gamm...

Страница 34: ...AV220 User s Manual 4 13 When the value of gamma changes the image changes accordingly Gamma Value 1 0 Gamma Value 1 4 Gamma Value 2 0...

Страница 35: ...4 14 When the value of highlight and shadow change the image changes accordingly Highlight 255 Shadow 0 Normal Highlight 210 Shadow 10 Highlight 200 Shadow 0 Highlight 255 Shadow 50...

Страница 36: ...nual 4 15 4 2 3 Adjusting the Brightness Curve Adjusts the midtones of the image without dramatically altering then lightest and the darkest areas When the curve is moved up or down the image turn bri...

Страница 37: ...olor will be changed simultaneously when the hue adjustment is made 2 Saturation Move the triangle to the right to increase the saturation level or to the left to decrease the level The level of satur...

Страница 38: ...17 4 2 5 Using Color Balance The Color Balance allows you to obtain an optimal image quality Move the pointer toward Red the image turns into a reddish hue Move the pointer toward Green the image turn...

Страница 39: ...color channel This function is particularly useful when you need to convert text using OCR software Note that this function supports only black white and gray image Therefore be sure to choose any bla...

Страница 40: ...By clicking the button you can change the measuring unit Choice Inch cm Pixel 2 Paper Size Provide frequently scan sizes Choice Card 4 x2 5 Photo 5 x3 Photo 6 x4 B5 A5 A4 Letter and Scanner Maximum 3...

Страница 41: ...Soak a cotton swab with some isopropyl alcohol 95 2 Press the push button on the upper left Open the front door slightly to the left Wipe the upper feeding roller by moving the swab from side to side...

Страница 42: ...g the Calibration Area As shown below clean the calibration area white glass with an air blower or a small brush to rid the board of dust or dirt Please handle with care and dexterity ADF Front Door C...

Страница 43: ...nsult your nearest dealer and follow the procedure below to replace it Disassembling Procedure 1 Press the Paper jam clearing button on the upper left corner 2 Gently open the ADF Front cover to the l...

Страница 44: ...jam follow the procedures below to remove the paper 1 Press the ADF Release Button on the left side Gently open the Scanner Front Door to the left 2 Carefully pull the paper out of the ADF unit 3 Clo...

Страница 45: ...6 2 Original Document...

Страница 46: ...t into the paper guide again 5 Check the feeding roller condition If necessary follow the cleaning directions in section 5 1 and perform the cleaning Question Paper becomes skewed in the scanner Answe...

Страница 47: ...he scanner does not detect paper Answer The AV220 scanner paper sensor is located at the center of the paper guide Please place the document you need to scan on the paper guide and use the slide guide...

Страница 48: ...name and version of your scanning software application The version of your scanner driver Please call us at Headquarter Avision Inc No 20 Creation Road I Science Based Industrial Park Hsinchu 300 Tai...

Страница 49: ...Diffusion 16 bit gray scale 24 bit color ADF Capacity Up to 50 pages ADF Scan Speed 25 pages per minute in simplex mode 50 images per minute in duplex mode Document Size Letter legal A4 B5 A5 business...

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