Avision AV25 User Manual Download Page 5

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Table of Contents

CHAPTER 1 INTRODUCTION ........................................................... 1-1

CHAPTER 2 SCANNER INSTALLATION ......................................... 2-1

2.1 I

NSTALLATION OF THE 

S

CANNER

...................................................... 2-1

2-2 C

ONNECTING THE 

C

ABLE

................................................................ 2-2

CHAPTER 3 SCANNER DRIVER INSTALLATION ......................... 3-1

3-1 A

UTO

-I

NSTALLATION 

P

ROGRAM

...................................................... 3-1

3-2 U

NINSTALL THE 

S

CANNER

............................................................... 3-3

CHAPTER 4 SCANNER OPERATION...................................................... 4-1

4-1 I

MAGE 

T

YPE

................................................................................... 4-3

4-2 S

CANNING 

P

ARAMETERS 

& I

MAGE 

C

ONTROL

................................... 4-4

4-3 S

CANNING

...................................................................................... 4-7

CHAPTER 5 TROUBLESHOOTING.................................................. 5-1

5-1 Q

UESTIONS AND 

A

NSWERS

.............................................................. 5-2

5-2 T

ECHNICAL 

S

ERVICE

....................................................................... 5-5

CHAPTER 6 SPECIFICATIONS ......................................................... 6-1

6-1 M

ODEL

: AV25 ............................................................................... 6-2

Summary of Contents for AV25

Page 1: ...AVISION AV25 Image Scanner User s Manual Version 1 0 Doc No 250 0053 0 Avision Inc 1996 ...

Page 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...

Page 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 ...

Page 4: ...at 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 equipment off and on the user is encouraged to 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 recei...

Page 5: ... CHAPTER 3 SCANNER DRIVER INSTALLATION 3 1 3 1 AUTO INSTALLATION PROGRAM 3 1 3 2 UNINSTALL THE SCANNER 3 3 CHAPTER4SCANNER OPERATION 4 1 4 1 IMAGE TYPE 4 3 4 2 SCANNING PARAMETERS IMAGE CONTROL 4 4 4 3 SCANNING 4 7 CHAPTER 5 TROUBLESHOOTING 5 1 5 1 QUESTIONS AND ANSWERS 5 2 5 2 TECHNICAL SERVICE 5 5 CHAPTER 6 SPECIFICATIONS 6 1 6 1 MODEL AV25 6 2 ...

Page 6: ...rs Before you install and operate the new scanner please take a few minutes to read through this manual It provides you with the proper instructions on how to unpack install operate and maintain the scanner Figure 1 1 shows how the scanner is packed Please check all the items against your checklist If you did not receive all the items please contact your authorized local dealer immediately ...

Page 7: ...1 2 Figure 1 1 Scanner packing ...

Page 8: ...Be sure to use the proper AC power source Place the scanner securely on a level surface Tilted or uneven surfaces may cause mechanical or paper feeding problems Retain the scanner box and packing materials for shipping purposes 2 1 Installation of the Scanner Please unpack the packing carefully and check the contents against the checklist If any items are missing or damaged please contact your dea...

Page 9: ...2 2 2 2 Connecting the Cable Be sure the scanner is power off Connect the power cable and signal cable as shown below Figure 2 1 AV25 scanner cable connection ...

Page 10: ...2 3 Document loading Load the documents one page at a time And put the document to be scanned face down in the scanner Figure 2 2 Put document in the scanner ...

Page 11: ...of RAM 8 megabytes or higher recommended A video graphics array VGA monitor A Microsoft Windows compatible pointing device e g the mouse A CD ROM drive 3 1 Auto Installation Program Installation procedure of the scanner driver with Avision Auto Installation Program is as follows 1 Start Windows 3 1 or Windows 95 2 Insert AV25 CD kit into your CD ROM drive For Windows 3 1 or Windows 3 11 See Figure...

Page 12: ...Press the Start button choose RUN type d driver av25 setup exe and then click O K 4 Follow the instructions on the screen to complete the installation usually just clicking O K will complete the installation Fig 3 1 Fig 3 2 ...

Page 13: ...3 3 3 2 Uninstall the Scanner You can uninstall the scanner by double clicking on the Uninstall icon stored in the AV25 Driver group ...

Page 14: ...nu options are 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 TWAIN sources you can choose for bringing an image into your application 3 Select AV25 16 V3 2 as the source 4 You need to select AV25 for just once except when you have used the dialog box to select a different source In that ca...

Page 15: ...mage to be scanned face down on the scanner 7 From the File menu select Acquire 8 Avision TWAIN user interface will pop up on the screen Click on the Prescan or Scan button to get the image Avision TWAIN user interface ...

Page 16: ... There are no intermediate shades of gray in between Error Diffusion While taking up but a minimum storage space error diffusion gives good image texture and excellent image details Halftone Halftone simulates different shades of gray by varying the threshold value of a matrix Gray 256 levels gray scale Scanner recognizes each point in the image as a shade of gray continuous tone 8 bit gray gives ...

Page 17: ...an Brightness Adjusts the lightness or darkness of an image The higher the value the brighter the image Contrast Adjusts the range between the darkest and the lightest shades in the image The higher the contrast the bigger the different gray scales Brightness Adjustment Resolution Control Contrast Adjustment ...

Page 18: ...s the scanned image Auto Area Automatically sets the whole document as the scan area no matter what its size Descreen Eliminates the Moire patterns commonly found in printed matter Before descreen After descreen Pixel Inch Cm Quality Mode Speed Mode Invert Calibration Set Gamma ...

Page 19: ...y Speed Mode Users can select either mode to perform scanning according to their own need Select quality mode scanning if your emphasis is on the quality of the scanned image Else select speed mode scanning if you want to speed up the scanning process Pixel Inch Cm Represents the different measure systems to be used in each scan Set Gamma Adjusts the midtone of the image without losing details of ...

Page 20: ... set Exit Cancels the current job Document Size To designate the size of your document just click on its icon on the margin of the preview window As shown in the figure below in the Preview window you can define the area to be scanned by dragging the four cursor auxiliary lines Cursor Auxiliary lines The Preview Window Document size ...

Page 21: ... will automatically perform a simple self test each time it is powered on This will help spot major system errors in the scanner itself If you have any problem with the operation of the scanner please check the following troubleshooting hints ...

Page 22: ...r Answer When loading remember to align your document with the slide guide to keep the paper path straight Question Why is it the scanned image always comes out to be too dark Answer 1 Modify the Gamma setting to 1 8 for your monitor and when printing set Gamma to 2 2 for your printer 2 Use the Brightness setting of the TWAIN user interface to get a brighter image Question Why does my scanner scan...

Page 23: ...scanner is much slower than that of those installed on other computers Can I speed it up Answer In such case please a Set you PC printer port to the EPP mode from BIOS setting or b Add Avision scanner interface card IF05 to scan at a higher speed Question Does it take long for the scanner to initialize Answer If your printer port supports SPP mode only it takes about two minutes for the scanner to...

Page 24: ...some parallel port devices and software s keypro do not work with the AV25 scanner Answer If you would like to connect some parallel port devices other than printer please do not connect them to the same parallel port that AV25 currently uses It is advisable that you use other parallel ports to connect these devices or keypro For instance you can connect the AV25 scanner to LPT1 and connect other ...

Page 25: ...card The name and version of your scanning software application The version of your scanner driver Please call us at US and Canada Area Avision Labs Inc Address 48521 Warm Springs Blvd 312 Fremont CA 94539 Telephone number 510 440 8785 Fax number 510 440 8337 Web Site http users aimnet com avision E mail avision aimnet com Other Area Avision Inc Address No 20 Creation Road I Science Based Industri...

Page 26: ...hours a day The communication setting is 2400 19200 BPS 8N1S 2 You will be asked to enter your first name last name and password at all times 3 For first time user you will be requested of your full name and password The same name and same password are required to enter BBS again next time ...

Page 27: ...staple attached Paper with ink not totally dry Paper with inconsistent thickness such as envelopes Paper with wrinkles curls folds or tears Tracing paper Coated paper Carbonless paper Paper narrower than 3 5 or wider than 8 5 Items other than papers such as cloth metal or OHP film Notched paper Paper with an odd non rectangular shape Very thin paper ...

Page 28: ...tone mode 64 step Error diffusion 2 patterns 8 bit gray scale 256 levels Scanning Speed 6 pages per minute 200 dpi line art letter size Document Size 8 5 14 Min Document Size 4 x 3 5 ADF 3 5 x 2 manual feed Paper 16 lbs to 24 lbs Interface Printer port Power Consumption 10 watts Dimensions WxDxH 295 mm x 51 mm x 61 mm Weight 0 6 kg ...

Page 29: ...inchu Taiwan R O C declare that the product Model Number AV25 conforms to the following Product Specifications Emission EN 50081 1 1992 EN 55022 Class B Conducted Radiated 1994 EN 60555 2 Harmonics 1987 EN 60555 3 Flicker 1987 Immunity EN50082 1 1992 IEC 1000 4 2 ESD 1995 IEC 1000 4 3 RS 1995 IEC 1000 4 4 EFT Burst 1995 IEC 1000 4 5 SURGE 1995 Date December 1995 ...

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