ScanSoft PDF CONVERTER PROFESSIONAL 3-HELP Online Help Manual page 17

The default value for each of the predefined conversion controls allows the print
driver to choose the best method based on the nature of the image.
For monochrome images, you can choose from ZIP, CCITT Group and Run
Length encoding.
CCITT (International Coordinating Committee for Telephony and Telegraphy)
compression method works best for black-and-white images made by paint
programs and 1-bit scanned images.
Run Length produces the best results for images that contain large areas of
solid white or black.
 ReSample
Select or clear the
(and thus the display size) of an image.
If you choose to ReSample, specify either
pull-down menu. The default setting is DownSample.
Downsampling decreases the number of pixels in the image. Each pixel it places
has the average value of all the pixels it replaces.
Subsampling chooses a pixel in the center of the sample area and replaces the
entire area with that pixel at the specified resolution.
 Resolution
If you resample images, you can specify a resolution for downsampling or
subsampling.
 Factory Settings
The Factory Settings
original values.
 New
Click the New button to create a new conversion control.
 Delete
The Delete button removes the currently selected conversion control.
 Default
This returns supplied controls to default values and removes user-defined
controls.
Security
You can add passwords to PDF files you create and prohibit or allow actions, such
as printing, extracting content and editing. Choose a standard control and click
Advanced to specify passwords and permissions.
ReSample setting. Resampling changes the pixel dimensions
button automatically returns compression settings to their
DownSample or SubSample from the
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