Choose Edit > Preferences to display the Preferences
dialog box, and choose General
to set Startup, Page Display, Units & Grid, Full Screen, Miscellaneous,
and Scanner setup options:
Startup
Show splash window
Determine whether PDF Professional splash
window appears each time it starts.
Switch panel by tab
Enable this to allow toggling between panels
by pressing the Tab key.
Application Language
Select the language used in PDF Professional.
Page Display
Smooth
For smoothing text, choose from None, Monitor,
or LCD in the selection box. Select whether to make graphics, images,
and thin line smooth. The default setting is to smooth all three.
Gray-out text below __
pixels
Gray-out displayed text when the number of
pixels is below the set value.
Use page cache
Select this to allow page data to be stored
in temporary memory, so that page operations are speeded up.
Use logical page numbers
This is the default setting for page numbering.
Default Page Layout
Select an option to set the default page
display when you first open a PDF document.
Default Zoom
Set a default magnification level for PDF
documents when they are first opened. This value is used when the document
zoom value is set to Default.
Units & Grid
Page Units
Set the unit of measurement to be used in
the program. It can be Points, Inches, Centimeters or Millimeters.
Grid
Set grid properties for PDF document pages.
Use the View menu to display or hide grids.
Full Screen (Navigation & Appearance)
Display next page __ second
intervals
Specify whether to advance automatically
from page to page every set interval. By default this is off. You can
use mouse or keyboard commands to page through a document even if this
option is selected.
Return to start when end
of document is reached
Let the document return to first page after
the last one, when paging through a PDF document. The option is typically
used for setting up kiosk displays.
Use Escape key to exit
full-screen viewing
Allow using the Escape key to exit Full Screen
mode. If the option is not selected, exit with the shortcut Ctrl + L.
Next page on left click;
previous page on right click
Allow mouse clicks to turn pages. You can
also press arrow keys to page through a document.
Mouse Cursor
Specify mouse cursor status (show, hide,
hide after delay) in Full Screen mode.
Background color
Select a background color to surround the
page in Full Screen mode. Click the 
button to display the system color palette. Click Other
Color to define custom colors.
Miscellaneous
Open cross-document link
in same window
Close the current document and opens the
document being linked to in the same window, minimizing the number of
windows open. If the document being linked to is already open in another
window, the current document is not closed when you click a link to the
open documents. If you do not select this option, a new window opens each
time you click a link to a different document.
Create links from URLs
Enable this to make PDF Professional create
hyperlinks from URL information.
Allow layer state to be
set by user information
Enable this to use user information as a
basis for setting the state of the current layer of an object.
Hand Tool Click
Determine how the document responds when
the Hand tool is clicked. By default, it does nothing. Choose Page down
to have the display jump half a page down. Choose Scroll down to have
the page scroll down until the next mouse click.
Scanner setup
Scanner setup
The name of the selected scanner is displayed
here, if any. If necessary, click Setup
to launch the Scanner Setup Wizard and follow instructions on the screen.
Scanner properties
This area is not displayed if no scanner
is connected. Once a scanner is selected, you may access to scanning parameters:
resolution, color mode, paper size, paper source in the appropriate selection
boxes. Enable Duplex mode for a double-sided scanning. Modify color and
contrast by moving their sliders.
