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<chapter id="ats-0">
<title>Using the Assistive Technologies</title>
<para>The GNOME Desktop contains the following applications to enable users with a physical
disability to use the desktop:</para>
<itemizedlist>
<listitem>
<para>
<application>On-Screen Keyboard</application>
</para>
</listitem>
<listitem>
<para>
<application>Screen Reader and Magnifier</application>
</para>
</listitem>
</itemizedlist>
<sect1 id="ats-1">
<title>On-Screen Keyboard</title>
<indexterm>
<primary>On-Screen Keyboard</primary>
</indexterm>
<indexterm>
<primary>GOK</primary>
</indexterm>
<para>The <application>On-Screen Keyboard</application>
application displays virtual keyboards on your desktop that you can operate
using the standard mouse pointer or alternative pointing device. <application>On-Screen Keyboard</application> displays the following types of keyboards:</para>
<itemizedlist>
<listitem>
<para>Compose keyboards that enable you to compose text. To type
alphanumeric characters, you select the characters on the compose keyboard.</para>
</listitem>
<listitem>
<para>Dynamic keyboards that <application>On-Screen Keyboard</application>
generates to reflect the applications that are currently running on the desktop.
For example, <application>On-Screen Keyboard</application> generates keyboards
that contain keys to represent the applications that are running on your desktop
or the menus that are contained in an application. </para>
</listitem>
</itemizedlist>
<para>To start <application>On-Screen Keyboard</application>, choose <menuchoice><guimenu>Applications</guimenu><guisubmenu>Accessibility</guisubmenu><guimenuitem>On-Screen
Keyboard</guimenuitem></menuchoice>. For more information about the application,
see the online Help for <application>On-Screen Keyboard</application>.</para>
<sect2 id="ats-5">
<title>Maximizing Terminal for On-Screen Keyboard Users</title>
<indexterm>
<primary>maximizing Terminal for On-Screen Keyboard users</primary>
</indexterm>
<para>If you are a <application>On-Screen Keyboard</application>
user, you cannot use the <application>Terminal</application> application in
Full Screen mode because the <guilabel>Terminal</guilabel> window obscures
the <application>On-Screen Keyboard</application> display.</para>
<para>To resize the <guilabel>Terminal</guilabel> window for use with the <application>On-Screen Keyboard</application> application, perform the following steps:</para>
<orderedlist>
<listitem>
<para>Do not enable the Full Screen mode in <application>Terminal</application>.</para>
</listitem>
<listitem>
<para>Give focus to the <guilabel>Terminal</guilabel> window.</para>
</listitem>
<listitem>
<para>Press <keycap>F10</keycap> to maximize the application.</para>
</listitem>
</orderedlist>
</sect2>
</sect1>
<sect1 id="ats-2">
<title>Screen Reader and Magnifier</title>
<indexterm>
<primary>Screen Reader and Magnifier</primary>
</indexterm>
<indexterm>
<primary>Gnopernicus</primary>
</indexterm>
<para>The <application>Screen Reader
and Magnifier</application> application enables users with limited vision,
or no vision, to use the GNOME Desktop and associated applications. <application>Screen Reader
and Magnifier</application> provides the following functionality: </para>
<itemizedlist>
<listitem>
<para>Screen reader</para>
<para>The screen reader enables non-visual access to standard applications
in the GNOME Desktop,
using speech and Braille output.</para>
</listitem>
<listitem>
<para>Magnifier</para>
<para>The magnifier provides automated focus tracking and fullscreen magnification
to aid low-vision users.</para>
</listitem>
</itemizedlist>
<para>To start <application>Screen Reader and Magnifier</application>, choose <menuchoice><guimenu>Applications</guimenu><guisubmenu>Accessibility</guisubmenu><guimenuitem>Screen
Reader and Magnifier</guimenuitem></menuchoice>. For more information about
the application, see the online Help for <application>Screen Reader and Magnifier</application>.</para>
<sect2 id="ats-6">
<title>Disabling the Screensaver for Screen Reader and Magnifier Users</title>
<indexterm>
<primary>Screen Reader and Magnifier</primary>
<secondary>disabling screensaver</secondary>
</indexterm>
<para>To disable the screensaver,
perform the following steps:</para>
<orderedlist>
<listitem>
<para>Choose <menuchoice><guimenu>Applications</guimenu><guisubmenu>Desktop Preferences</guisubmenu><guisubmenu>Display</guisubmenu><guimenuitem>Screensaver</guimenuitem></menuchoice>.</para>
</listitem>
<listitem>
<para>In the <guilabel>Display Modes</guilabel> tabbed section,
deselect the <guilabel>Lock Screen After</guilabel> check box.</para>
</listitem>
<listitem>
<para>In the <guilabel>Mode</guilabel> drop-down list, select <guilabel>Disable Screen Saver</guilabel>.</para>
</listitem>
<listitem>
<para>Choose <menuchoice><guimenu>File</guimenu><guimenuitem>Restart Daemon</guimenuitem></menuchoice>.</para>
</listitem>
<listitem>
<para>Choose <menuchoice><guimenu>File</guimenu><guimenuitem>Quit</guimenuitem></menuchoice> to close the <guilabel>Screensaver Preferences</guilabel> dialog.</para>
</listitem>
</orderedlist>
</sect2>
</sect1>
</chapter>
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