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                        <h1>Setting accessibility preferences</h1>
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                        <p>Reader provides
several preferences that help make the reading of PDFs more accessible
for visually impaired and motion-impaired users, including preferences
that control how PDFs appear on the screen and are read by a screen reader. </p>

                        <p>Most
preferences related to accessibility are available through the Accessibility Setup
Assistant, which provides on-screen instructions for setting these
preferences. Some preferences that affect accessibility aren’t available
through the Accessibility Setup Assistant; these include preferences
in the Reading, Forms, and Multimedia categories. You can set all
preferences in the Preferences dialog box.</p>

                        <p>
                           The
names shown for some preferences in the Accessibility Setup Assistant
are different from the names for the same preferences shown in the
Preferences dialog box. Reader Help
uses the names shown in the Preferences dialog box.</p>

                        <p>For more
information about accessibility features in Reader and
PDF, visit the <a href="http://www.adobe.com/go/accessibility" target="_blank">accessibility</a> page of the Adobe website.</p>

                     </div>
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<h3 class="topictitle3"><a href="#WS58a04a822e3e50102bd615109794195ff-7d22" onclick="javascript:toggleLayer('WS58a04a822e3e50102bd615109794195ff-7d22');return false;" title="Set accessibility preferences with&#xA;the Accessibility Setup Assistant"><img src="images/off.gif"></img>Set accessibility preferences with
the Accessibility Setup Assistant</a></h3><div id="WS58a04a822e3e50102bd615109794195ff-7d22" class="mini"><a name="WS58a04a822e3e50102bd615109794195ff-7d22"><!-- --></a><div>
                        <ol><li class="stepexpand"><span>
                                 Start the Accessibility Setup Assistant
by doing one of the following:</span><ul><li>
                                    <p>Choose Advanced &gt; Accessibility &gt;
Setup Assistant.</p>

                                 </li>
<li>
                                    <p>(Windows only) Start Reader for
the first time while a screen reader or screen magnifier is running.</p>

                                 </li>
</ul>
</li>
<li class="stepexpand"><span>Choose the option that is appropriate for your assistive
software and devices.</span> 
                                 <p>The assistant presents only preferences that are
appropriate for your assistive software and devices, according to
the option that you choose.</p>

                              </li>
<li class="stepexpand"><span>Follow the on-screen instructions. If you click Cancel
at any point, Reader uses default settings
for the preferences set by the assistant (not recommended). </span></li>
</ol>

                     </div></div>
<h3 class="topictitle3"><a href="#WS58a04a822e3e50102bd615109794195ff-7d21" onclick="javascript:toggleLayer('WS58a04a822e3e50102bd615109794195ff-7d21');return false;" title="Set accessibility preferences with&#xA;the Preferences dialog box"><img src="images/off.gif"></img>Set accessibility preferences with
the Preferences dialog box</a></h3><div id="WS58a04a822e3e50102bd615109794195ff-7d21" class="mini"><a name="WS58a04a822e3e50102bd615109794195ff-7d21"><!-- --></a><div>
                        <ol><li><span>Choose Edit &gt; Preferences (Windows)
or Acrobat &gt; Preferences (Mac OS).</span></li>
<li><span>Set preferences as appropriate for your assistive software
and devices in various panels of the Preferences dialog box.</span></li>
</ol>

                     </div></div>
<h3 class="topictitle3"><a href="#WS58a04a822e3e50102bd615109794195ff-7d20" onclick="javascript:toggleLayer('WS58a04a822e3e50102bd615109794195ff-7d20');return false;" title=" Accessibility preferences"><img src="images/off.gif"></img> Accessibility preferences</a></h3><div id="WS58a04a822e3e50102bd615109794195ff-7d20" class="mini"><a name="WS58a04a822e3e50102bd615109794195ff-7d20"><!-- --></a><div>
                        <div class="section"><h4 class="sectiontitle">Accessibility preferences in Accessibility
panel</h4>
                           
                           <dl><dt class="dlterm">Replace Document Colors</dt>
<dd>
                                    <p>When this preference is selected, you can choose from a list
of contrasting color combinations for text and background, or you
can create your own. These settings correspond to the Use High Contrast
Colors For Document Text option in the Accessibility Setup Assistant.</p>

                                 </dd><br></br><dt class="dlterm">Always Use Page Layout Style</dt>
<dd>
                                    <p>Corresponds to the Override Page Layout Style option in the
Accessibility Setup Assistant.</p>

                                 </dd><br></br><dt class="dlterm">Always Use Zoom Setting</dt>
<dd>
                                    <p>Corresponds to the Override Document Zoom option in the Accessibility
Setup Assistant.</p>

                                 </dd><br></br><dt class="dlterm">Use Document Structure For Tab Order When No Explicit
Tab Order Is Specified</dt>
<dd>
                                    <p>Improves navigation of form fields and links in documents
that don’t specify a tab order. This preference corresponds to the
Use Document Structure For Tab Order When No Explicit Tab Order
Is Specified option in the Accessibility Setup Assistant.</p>

                                 </dd><br></br><dt class="dlterm">Always Display The Keyboard Selection Cursor </dt>
<dd>
                                    <p>Select this option if you use a screen magnifier. This preference
corresponds to the Always Display The Keyboard Selection Cursor
option in the Accessibility Setup Assistant.</p>

                                 </dd><br></br></dl>

                        </div>

                        <div class="section"><h4 class="sectiontitle">Accessibility preferences in Documents panel</h4>
                           
                           <dl><dt class="dlterm">Automatically Save Document Changes To Temporary File</dt>
<dd>
                                    <p>When deselected, this preference disables the auto-save action.
Each time a PDF is saved, the screen reader or magnifier must reload
the document. This preference corresponds to the Disable Document
Auto-Save option in the Accessibility Setup Assistant.</p>

                                 </dd><br></br></dl>

                        </div>

                        <div class="section"><h4 class="sectiontitle">Accessibility preferences in Forms panel</h4>
                           
                           <dl><dt class="dlterm">Fields Highlight Color and Required Fields Highlight
Color</dt>
<dd>
                                    <p>These preferences specify what colors will be used to highlight
fillable form fields. They correspond to the Field Highlight Color
and Required Field Highlight Color options in the Accessibility
Setup Assistant.</p>

                                 </dd><br></br><dt class="dlterm">Auto-Complete</dt>
<dd>
                                    <p>Enables Reader to automatically
offer to complete some entries in form fields so that filling form
fields requires fewer keystrokes. This preference doesn’t correspond
to an option in the Accessibility Setup Assistant.</p>

                                 </dd><br></br></dl>

                        </div>

                        <div class="section"><h4 class="sectiontitle">Accessibility preferences in Internet panel</h4>
                           
                           <dl><dt class="dlterm">Display PDF In Browser</dt>
<dd>
                                    <p>Causes PDFs linked to from web pages to open in the web browser
instead of a separate Reader window.
Deselect this preference for greater control when navigating a document
in a screen reader. This preference corresponds to the Display PDF
Documents In The Web Browser option in the Accessibility Setup Assistant.</p>

                                 </dd><br></br></dl>

                        </div>

                        <div class="section"><h4 class="sectiontitle">Accessibility preferences in Multimedia panel</h4>
                           
                           <ul><li>
                                 <p>Show Subtitles When Available</p>

                              </li>
<li>
                                 <p>Play Dubbed Audio When Available</p>

                              </li>
<li>
                                 <p>Show Supplemental Text Captions When Available</p>

                              </li>
<li>
                                 <p>Show Audio Description (Or Video Description, Or Descriptive
Video) When Available</p>

                              </li>
</ul>

                           <p>These preferences don’t correspond
to any options in the Accessibility Setup Assistant.</p>

                        </div>

                        <div class="section"><h4 class="sectiontitle">Accessibility preferences in Page Display panel</h4>
                           
                           <dl><dt class="dlterm">Zoom</dt>
<dd>
                                    <p>Sets the on-screen magnification of documents and allows
low-vision readers to read reflowed PDFs more easily. This preference
corresponds to the Override Document Zoom option in the Accessibility
Setup Assistant.</p>

                                 </dd><br></br><dt class="dlterm">Smooth Text</dt>
<dd>
                                    <p>Controls anti-aliasing of text. To disable smoothing of text
and make text sharper and easier to read with a screen magnifier,
choose None. This preference corresponds to the Disable Text Smoothing
option in the Accessibility Setup Assistant.</p>

                                 </dd><br></br></dl>

                        </div>

                        <div class="section"><h4 class="sectiontitle">Accessibility preferences in Reading panel</h4>
                           
                           <dl><dt class="dlterm">Reading Order</dt>
<dd>
                                    <p>Specifies the reading order of documents. The reading order preferences
also appear in the Accessibility Setup Assistant.</p>

                                    <dl><dt class="dlterm">Infer Reading Order From Document (Recommended)</dt>
<dd>
                                             <p>Interprets the reading order of untagged documents by using
an advanced method of structure-inference layout analysis.</p>

                                          </dd><br></br><dt class="dlterm">Left-To-Right, Top-To-Bottom Reading Order</dt>
<dd>
                                             <p>Delivers the text according to its placement on the page,
reading from left to right and then top to bottom. This method is
faster than Infer Reading Order From Document. This method analyzes text
only; form fields are ignored and tables aren’t recognized as such.</p>

                                          </dd><br></br><dt class="dlterm">Use Reading Order In Raw Print Stream</dt>
<dd>
                                             <p>Delivers text in the order in which it was recorded in the
print stream. This method is faster than Use Infer Reading Order From
Document. This method analyzes text only; form fields are ignored
and tables aren’t recognized as such.</p>

                                          </dd><br></br></dl>

                                 </dd><br></br><dt class="dlterm">Override The Reading Order In Tagged Documents</dt>
<dd>
                                    <p>Uses the reading order specified in the Reading preferences
instead of that specified by the tag structure of the document.
Use this preference only when you encounter problems in poorly tagged
PDFs. This preference corresponds to the Override The Reading Order
In Tagged Documents option in the Accessibility Setup Assistant.</p>

                                 </dd><br></br><dt class="dlterm">Page Vs Document</dt>
<dd>
                                    <p>This preference determines how much of a document is delivered
to a screen reader at a time. If a PDF isn’t tagged, Reader may analyze the document and
attempt to infer its structure and reading order, which can take
a long time for a long document. You may want to set Reader to deliver only the currently
visible page so that it analyzes only a small piece of the document
at a time. This consideration will vary depending on the size and complexity
of the document and on the features of the screen reader. When Reader delivers information to a screen
reader, screen magnifier, or other assistive software, it loads
information into a memory buffer that is directly available to the
assistive software. The amount of information that is delivered
to the memory buffer can affect how long Reader takes
to perform tasks, such as opening the document, advancing to the
next page, changing views, and carrying out commands.</p>

                                    <dl><dt class="dlterm">Only Read The Currently Visible Pages</dt>
<dd>
                                             <p>This option is usually best when you use a screen magnifier.
It improves performance by eliminating the need for the software
to process parts of the document that aren’t visible. When Reader sends only the currently visible
pages of a PDF to the memory buffer, the assistive technology has
access to those pages only. It cannot go to another page until the
next page is visible and Reader has
sent the page information to the memory buffer. Therefore, if this
option is selected, you must use the navigation features of Reader, not those of the assistive technology,
to navigate from page to page in the document. You should also set the
Default Page Layout option in preferences to Single Page if you
choose to have Reader send only the
currently visible pages to the assistive technology. Because Reader sends page information about
all visible pages, the assistive technology receives information
about pages that may be only partially visible (such as the bottom
of one page or the top of the next), as well as those pages that
are completely visible. If you use a page display setting other
than Single Page, such as Continuous, and then you display the next
page, the technology may not correctly track which portion of a
previous page it has already read aloud. For instructions on setting
the default page layout to Single Page, see <a href="WS58a04a822e3e50102bd615109794195ff-7f84.html">Preferences for viewing PDFs</a>. </p>

                                             <p>This option corresponds to the Only
Read The Currently Visible Pages option in the Accessibility Setup
Assistant.</p>

                                          </dd><br></br><dt class="dlterm">Read The Entire Document</dt>
<dd>
                                             <p>This option can be best if you use a screen reader that has
its own navigation and search tools and that is more familiar to
you than the tools in Reader. This option
corresponds to the Read The Entire Document At Once option in the
Accessibility Setup Assistant.</p>

                                          </dd><br></br><dt class="dlterm">For Large Documents, Only Read The Currently Visible
Pages</dt>
<dd>
                                             <p>This option is selected by default and is usually best if
you use a screen reader with long or complex PDFs. It allows Reader to deliver an entire small document but
revert to page-by-page delivery for large documents. This preference
corresponds to the For Large Documents, Only Read The Currently
Visible Pages option in the Accessibility Setup Assistant.</p>

                                          </dd><br></br></dl>

                                 </dd><br></br><dt class="dlterm">Confirm Before Tagging Documents</dt>
<dd>
                                    <p>When selected, lets the user confirm the options that will
be used before Reader prepares an untagged document
for reading. Tagging can be a time-consuming procedure, especially for
larger documents. This preference corresponds to the Confirm Before
Tagging Documents option in the Accessibility Setup Assistant.</p>

                                 </dd><br></br><dt class="dlterm">Read Out Loud Options</dt>
<dd>
                                    <p>Set preferences in this section to control volume, speed,
and pitch of the voice used for Read Out Loud. You can choose to
use the default voice or any of the voices provided by your operating
system. Select Read Form Fields to have Read Out Loud read the contents
of form fields. These preferences don’t correspond to options in
the Accessibility Setup Assistant.</p>

                                 </dd><br></br></dl>

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