Avision AV360C User manual

AV360C
Color Image Scanner
User's Manual
Version 1.0
(D/N 250-0009-0)
 Avision Inc. 1996

ii
Trademarks
Microsoft is a U.S. registered trademark of Microsoft Corporation.
Windows and MS-DOS are trademarks of Microsoft Corporation.
IBM, PC, AT, XT are registered trademarks of International
Business Machines Corp.
Other brands and product names herein are trademarks or
registered trademarks of their respective holders.
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.
Material scanned by this product may be protected by
governmental laws and other regulations, such as copyright laws,
the customer is solely responsible for complying with all such
laws and regulations.

iii
Warranty
The information contained in this document is subject to change
without notice.
Avision makes no 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.

iv
FCC Radio Frequency Interference Statement
This equipment has been tested and found to comply with the
limits for a class B digital device, pursuant to Part 15 of the
FCC rules. These limits are designed to provide reasonable
protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate
radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful
interference to radio communication. However, there is no
guarantee 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 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.
* Increasethe 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.
CAUTION: Any changes or modifications not expressly
approved by the manufacture of this device could void the user's
authority to operate the equipment.

v
Table of Contents
1. INTRODUCTION..............................................................................1-1
2. SCANNER INSTALLATION............................................................2-1
2.1 INSTALLATION OF THESCANNER......................................................2-1
2.2 UNLOCKING THE SCANNER ..............................................................2-2
2.3 CONNECTING THE CABLE.................................................................2-3
2.4 DOCUMENT PLACEMENT..................................................................2-4
3. SCANNER DRIVER INSTALLATION............................................3-1
3.1 AUTO-INSTALLATION PROGRAM......................................................3-1
3.2 UNINSTALL THE SCANNER ...............................................................3-3
4. SCANNER OPERATION & DOCUMENT PRINTING....................4-1
4.1 IMAGE TYPE....................................................................................4-3
4.2 SCANNING PARAMETERS& IMAGE CONTROL....................................4-4
4.3 SCANNING.......................................................................................4-7
4.4 PRINTING........................................................................................4-8
5. MAINTENANCE...............................................................................5-1
6. TROUBLESHOOTING.....................................................................6-1
6.1 QUESTIONS ANDANSWERS...............................................................6-2
6.2 TECHNICAL SERVICE .......................................................................6-5
7. SPECIFICATIONS............................................................................7-1
7.1 MODEL: AV360C...........................................................................7-1

1-1
1. Introduction
Congratulations on your purchase of Avision AV360C color
image scanner. Avision is one of the leading companies in the
world to develop high performance scanners.
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.

1-2
1. Manual, Driver Kit, AC Power Cord, D25P Cable, etc.
2. Scanner 3. Cushion 4. Carton
Figure 1-1 Scanner packing

2-1
2. Scanner Installation
Precautions
* Keep the scanner out of direct sunlight. Direct exposure to the
sun or 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
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 dealer immediately.

2-2
2.2 Unlocking the Scanner
As shown below, unlock the scanner by turning the scanner lock
to the “use” position.
1. Shipping position 2. Use position
Figure 2-1 Unlocking the Scanner

2-3
2.3 Connecting the Cable
Connect the power cable and signal cable as shown below.
1. Scanner 2. Power Supply
3. D25P Cable 4. PC Parallel Port
5. Printer Cable
Figure 2-2 Avision AV360Cscanner cable connection

2-4
2.4 Document Placement
As shown below, place the image to be scanned face down on
the scanner.
1. Document Cover 2. Document Pad
3. Reference Frame 4. Document
5. Glass 6. Document Board
Figure 2.3 Document Placement

3-1
3. Scanner Driver Installation
To run at rated speed as recommended, the AV360C color
image scanner must have the following minimum requirements:
* IBM compatible PC 386/486 or Pentium;
* Microsoft Windows 3.1 or Windows 95;
* DOS 5.0 or higher;
* One printer port available (enhanced parallel port
recommended);
* 2 megabytes of available hard disk space for installation;
* 4 megabytes 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 procedures of AV360C Scanner driver with Avision
Auto-installation Program are as follows:
1. Start Windows 3.1 or Windows 95.
2. Insert AV360C CD kit into your CD ROM drive.
3. For Windows 3.1 or Windows 3.11(See Figure 3-1,3-2)
From the File Menu, choose RUN, type d:\driver\av360c.exe (d:
the CD ROM drive in use), and then click O.K.

3-2
3. For Windows 95
Press the Start button, choose RUN, type d:\driver\av360c.exe
(d: the CD ROM drive in use), and then click O.K.
4. Follow the on-screen instructions to complete the installation
(usually just clicking O.K. will complete the installation).
Fig. 3.1
Fig. 3.2

3-3
3.2 Uninstall the Scanner
You can uninstall the scanner by double-clicking on theUninstall
icon stored in the Avision driver group.
...

4-1
4. Scanner Operation &
Document Printing
There are two types of application software interface to use with
the AV360C scanner. TWAIN is the most popular interface
among image-editing application software.
Scanning Images from within an Application (TWAIN)
1. Open your application and choose Select Source from the
File menu. If the Select Sourcemenu 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 that you can choose for bringing an image into
your application.
3. Select AV360C/16 V3.2 as the source.
4. You need to select AV360C for just once except when you
have used the dialog box to select a different source. In
that case, you will need to select AV360C as the source
again before you can reuse the Avision AV360C scanner.
5. Place the image to be scanned face down on the scanner.
6. From the File menu, selectAcquire.
7. AV360C TWAIN user interface will pop up on the screen.
Click on thePreview or Scan button to get the image.

4-2
AV360C TWAIN user interface:

4-3
4.1 Image Type
As shown below, you can select the mode you want to use with
your document or image. Just click on the corresponding button.
Line art
Error Diffusion
Halftone
Gray Scale
Color
Line art
Line art includes only black and white areas.
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
more detailed information about the image.
True Color(16.7 million colors)
Color image has continuous tones along with its
color hues.

4-4
4.2 Scanning Parameters &
Image Control
Resolution: The number of dpi (dots per inch) that AV360C
uses for a scan.
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

4-5
Auto Level
Auto Area
Descreen
Color Match
Reset
Image Information
Auto Level: Optimizes 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

4-6
Color Match:Adjusts the color quality of the image so that it
comes close to that of the original. This function
uses default parameters to adjust the image.
Reset: Resets the scanning parameters you set.
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 ofInvert.
Calibration: Defines “whiteness” for the scanner. Users are
recommended to calibrate the light source if the
scanned image looks undesirable or comes out to
be too dark.
Quality/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 the lightest and the darkest areas.
Image Information:
Gives related information of the scanned image.