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<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 the
    GNOME Gtk+ toolkit, the Java platform's Swing toolkit, LibreOffice,
    Gecko, and WebKitGtk. AT-SPI support for the KDE Qt toolkit is being
    pursued.
  </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. For instance, in GNOME 3.x
          this option can be found in the Universal Access Control Center
          panel on the <gui>Seeing</gui> page.
        </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>