MUSTEK ScanExpress A3 USB 600 PRO User Manual
A3 Scanner
English
User Manual
Acquire the Scanner
TWAIN Driver
The TWAIN driver is the scanning module provided
with your scanner. It is easily accessed from within
the bundled scanner software or from within any
TWAIN-compliant program. Before you start with
the steps below, be sure you have installed and
configured the bundled scanner software.
1. Launch Windows.
2. Run the host TWAIN-compliant software (e.g.
Photo Express)
3. Call up the TWAIN Data Source by selecting
Acquire from the File menu. (In some programs,
the Acquire command will appear in a submenu
under the Import command.) The TWAIN
dialog box will appear in a submenu under the
Import command.
The TWAIN dialog box contains control settings,
which you must set prior to scanning a document.
The basic steps to scan a document are:
1. Prescan the document.
2. Set the desired image area to be scanned.
3. Select the scan source.
4. Select the desired scan mode.
5. Select the desired resolution.
6. Click on the Scan button.
The Dialog Box
The TWAIN dialog box is divided into two sections: the left section where most of the control settings are
located, and the right section, which is the Preview Window.
Folders
Contain different
control settings
Preview Window
Used for viewing the
prescan image and
selecting the final
scan area
The Main Folder
Scan Mode
Determines how the scanner
will read the image and refers
to how the image will be
reproduced after it is scanned.
Scan Source
Sets the media type of the
document to be scanned.
Scan Size
Refers to the size of the image or document that you are
about to scan.
JPEG2000 Scan
The latest image compression
standard that usually provides
smaller file size and higher
image quality than the original
JPEG.
Width and Length
Show the dimensions of the
image area inside the Crop
Frame.
Resolution
Sets the resolution in dots per inch
(dpi).
Descreen
Sets the media type of the document
to be scanned to reduce image
noise.
Color Matching Control
Color Matching allows the scanner
to more accurately reflect the actual
colors of the original image.
Photo Refresh
Photo Refresh allows you to automatically lighten and sharpen the
scanned image by clicking on its
icon. This function is applicable
when you are scanning images in
Color 24bit.
Output Scaling
Changes the dimensions of the
final output.
Image Size
Displays the amount of computer
space needed to display or save the
selected image area.
The Enhancement Folder:
Brightness/Contrast Control
Brightness Control
Allows you to adjust the overall
amount of light in the image
through a range of values (–127
~0~+127).
Contrast Control
The Contrast Control allows you
to adjust the overall amount of
black areas or white areas in the
image through a range of values
(–127~0~+127).
Preview Button
This button allows you to see the
effect of any changes made to
the image prior to scanning. Any
changes will appear in the
preview window.
Brightness/Contrast Control
Thumbnails
Are used to see the effects of
any changes in the control
settings.
Channel Selector Control
Allows you to select the
channel layers (red, green
and blue) that make up a color
image. You can choose to
change the channels individually or choose master to
change all channels equally
and simultaneously.
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