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UMAX Astra 2000U/P Owner’s Guide
51
2.
Enter the desired scale factor in either the Width or Height text
box. These are dynamic fields, updating one field automatically
changes the other field.
3.
To change the unit of measure, click on the down arrow next to
Height and/or Width text boxes to display the possible settings.
You can choose from Inch, Centimeter, Pixel or Percent.
4.
Click OK.
Using the Auto Adjustment Feature
Auto Adjustment provides a simple way to adjust the light and dark
values of a color or grayscale image you want to scan.
To automatically adjust the light and dark values:
1.
Place the item you want to scan on the scanner object glass.
2.
Click the
Preview
button from the VistaScan Advanced
window.
3.
Select an area that you want to adjust using the
Frame
tool.
You can edit the
Preview image
before scanning the final
image using the “Zoom Tool” and the “Frame Selection Tool.”
To find out more about how to use these tools, click on the user
tips text that appears when your cursor pauses over the tool.
NOTE
: To use VistaScan online help you must have a browser
installed on the system.
4.
Click the
Auto Adjustment
check box. The selected area is
adjusted and the preview image repaints displaying the results
you can expect when you perform the final scan.