Current File : //usr/share/help/C/orca/introduction.page
<page xmlns="http://projectmallard.org/1.0/" type="topic" id="introduction">
<info>
<link type="guide" xref="index#getting_started" />
<link type="next" xref="howto_setting_up_orca" />
<title type="sort">1. Welcome to Orca</title>
<desc>
Introducing the <app>Orca</app> screen reader
</desc>
<credit type="author">
<name>Joanmarie Diggs</name>
<email>joanied@gnome.org</email>
</credit>
<license>
<p>Creative Commons Share Alike 3.0</p>
</license>
</info>
<title>Welcome to Orca</title>
<p>
<app>Orca</app> is a free, open source, flexible, and extensible
screen reader that provides access to the graphical desktop via
speech and refreshable braille.
</p>
<p>
<app>Orca</app> works with applications and toolkits that support
the Assistive Technology Service Provider Interface (AT-SPI), which
is the primary assistive technology infrastructure for Linux and
Solaris. Applications and toolkits supporting the AT-SPI include
Gtk+, Qt, Java Swing, LibreOffice, Gecko, WebKitGtk, and Chrome/Chromium.
</p>
<section id="launching">
<title>Launching <app>Orca</app></title>
<p>To launch <app>Orca</app>:</p>
<list>
<item>
<p>
The method for configuring <app>Orca</app> to be launched
automatically as your preferred screen reader will depend upon
which desktop environment you use.
</p>
</item>
<item>
<p>
To toggle <app>Orca</app> on and off in GNOME, press
<keyseq><key>Super</key><key>Alt</key><key>S</key></keyseq>.
</p>
</item>
<item>
<p>
Type <cmd>orca</cmd>, along with any optional parameters, in a
terminal window or within the <gui>Run</gui> dialog and then press
<key>Return</key>.
</p>
</item>
</list>
</section>
<section id="loadtime">
<title>Load-Time Options</title>
<p>
The following options can be specified when launching <app>Orca</app>
in a terminal window or within the <gui>Run</gui> dialog:
</p>
<list>
<item>
<p><cmd>-h</cmd>, <cmd>--help</cmd>: Show the help message</p>
</item>
<item>
<p>
<cmd>-v</cmd>, <cmd>--version</cmd>: Show the version of
<app>Orca</app>
</p>
</item>
<item>
<p>
<cmd>-s</cmd>, <cmd>--setup</cmd>: Set up user preferences
</p>
</item>
<item>
<p>
<cmd>-u</cmd>, <cmd>--user-prefs=<em>dirname</em></cmd>:
Use <em>dirname</em> as the alternate directory for user
preferences
</p>
</item>
<item>
<p>
<cmd>-e</cmd>, <cmd>--enable=<em>option</em></cmd>: Force use
of option, where the <em>option</em> can be one of the following:
</p>
<list>
<item><p><cmd>speech</cmd></p></item>
<item><p><cmd>braille</cmd></p></item>
<item><p><cmd>braille-monitor</cmd></p></item>
</list>
</item>
<item>
<p>
<cmd>-d</cmd>, <cmd>--disable=<em>option</em></cmd>: Prevent the
use of an option, where the <em>option</em> can be one of the
following:
</p>
<list>
<item><p><cmd>speech</cmd></p></item>
<item><p><cmd>braille</cmd></p></item>
<item><p><cmd>braille-monitor</cmd></p></item>
</list>
</item>
<item>
<p>
<cmd>-p</cmd>, <cmd>--profile=<em>filename</em></cmd>:
Import a profile from a given <app>Orca</app> profile file
</p>
</item>
<item>
<p>
<cmd>-r</cmd>, <cmd>--replace</cmd>: Replace a currently-running <app>Orca</app>
</p>
</item>
<item>
<p>
<cmd>-l</cmd>, <cmd>--list-apps</cmd>: Print the known running
applications
</p>
</item>
<item>
<p>
<cmd>--debug</cmd>: Send debug output to debug-YYYY-MM-DD-HH:MM:SS.out
</p>
</item>
<item>
<p>
<cmd>--debug-file=<em>filename</em></cmd>: Send debug output to
the specified file
</p>
</item>
</list>
</section>
</page>
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