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diff --git a/gnome2-accessibility-guide/C/dtconfig.xml b/gnome2-accessibility-guide/C/dtconfig.xml new file mode 100644 index 0000000..578f9bc --- /dev/null +++ b/gnome2-accessibility-guide/C/dtconfig.xml @@ -0,0 +1,720 @@ +<?xml version="1.0" encoding="utf-8"?> +<chapter id="dtconfig-0"> + <title>Configuring the Mouse and Keyboard</title> + <para>This chapter describes how to configure the mouse and keyboard to make +these devices accessible to more users.</para> + <sect1 id="dtconfig-1"> + <title>Configuring the Mouse</title> + <para>Use the <guilabel>Mouse</guilabel> preference tool to configure the +mouse to suit your needs. To open the <guilabel>Mouse</guilabel> preference +tool, choose <menuchoice><guimenu>Applications</guimenu><guisubmenu>Desktop Preferences</guisubmenu><guimenuitem>Mouse</guimenuitem></menuchoice>. +The <guilabel>Mouse Preferences</guilabel> dialog is displayed.</para> + <sect2 id="dtconfig-2"> + <title>To Configure the Behavior of the Mouse</title> + <para>The following sections describe how to modify the behavior of the mouse +to suit your needs. </para> + <sect3 id="dtconfig-3"> + <title>To Configure the Mouse for Left-Handed Use</title> + <para>To configure the mouse for left-handed use, click on the <guilabel>Buttons</guilabel> tab in the <guilabel>Mouse Preferences</guilabel> dialog, +then select the <guilabel>Left-handed mouse</guilabel> option. When you select +this option, the system swaps the functions of the left mouse button and the +right mouse button immediately.</para> + </sect3> + <sect3 id="dtconfig-4"> + <title>To Configure the Double-Click Behavior</title> + <para>If you have difficulty double-clicking, you can increase the period +of time that the system allows to elapse between the first click and the second +click of a double-click. For example, if the double-click timeout setting +is 0.4 seconds, you must perform the second click of a double-click within +0.4 seconds of the first click. If the second click occurs more than 0.4 seconds +after the first click, the system interprets the two clicks as two single +clicks. </para> + <para>To configure the double-click timeout setting, perform the following +steps:</para> + <orderedlist> + <listitem> + <para>Click on the <guilabel>Buttons</guilabel> tab in the <guilabel>Mouse Preferences</guilabel> dialog.</para> + </listitem> + <listitem> + <para>Use the <guilabel>Delay</guilabel> slider to specify the timeout +in seconds that the system allows between the two clicks of a double-click. </para> + </listitem> + <listitem> + <para>Double-click on the lightbulb to the right of the slider to +test the setting. If you perform the two clicks of the double-click within +the timeout specified, the lightbulb lights up fully to display a yellow glow +around the bulb. If you do not double-click within the timeout specified, +the lightbulb does not light fully. You should increase the timeout setting +and try again. When the lightbulb lights, the timeout setting is suitable +for your needs. </para> + </listitem> + </orderedlist> + </sect3> + <sect3 id="dtconfig-5"> + <title>To Configure the Speed and Sensitivity of the Mouse</title> + <para>To configure the speed and sensitivity of the mouse, perform the following +steps: </para> + <orderedlist> + <listitem> + <para>Click on the <guilabel>Motion</guilabel> tab in the <guilabel>Mouse Preferences</guilabel> dialog. </para> + </listitem> + <listitem> + <para>Configure the following options:</para> + <variablelist> + <varlistentry> + <term>Acceleration</term> + <listitem> + <para>Use the slider to specify +the speed at which the mouse pointer moves around the screen when you move +your mouse. </para> + <para>If you select a low setting, the mouse pointer moves at a speed similar +to the speed at which you are physically moving the mouse. This means that +you need to physically move the mouse larger distances to cover the screen +area. If you select a high setting, the mouse pointer moves at a faster speed +than the speed at which you are physically moving the mouse. This means that +you need to physically move the mouse small distances to cover the screen +area.</para> + </listitem> + </varlistentry> + <varlistentry> + <term>Sensitivity</term> + <listitem> + <para>Use the slider to specify +how sensitive the mouse pointer is to movements of your mouse.</para> + </listitem> + </varlistentry> + <varlistentry> + <term>Threshold</term> + <listitem> + <para>Use the slider to specify +the distance that you must move an item before the system interprets the move +action as a drag-and-drop action.</para> + </listitem> + </varlistentry> + </variablelist> + </listitem> + </orderedlist> + </sect3> + <sect3 id="dtconfig-6"> + <title>To Locate the Mouse Pointer</title> + <para>If you have difficulty locating the mouse pointer on the screen, you +can enable an option to highlight the pointer when you press the <keycap>Control</keycap> key. To enable this option, click on the <guilabel>Cursors</guilabel> +tab in the <guilabel>Mouse Preferences</guilabel> dialog, then select the <guilabel>Show position of cursor when the Control key is pressed</guilabel> option. +When you press <keycap>Control</keycap>, the system displays an animation around +the pointer to highlight the pointer. </para> + </sect3> + </sect2> + <sect2 id="dtconfig-7"> + <title>To Configure the Mouse Pointer</title> + <para>The following sections describe how to modify the display characteristics +of the pointer. </para> + <sect3 id="dtconfig-8"> + <title>To Change the Pointer</title> + <para>To select the type of pointer that is displayed on the desktop, perform +the following steps:</para> + <orderedlist> + <listitem> + <para>Click on the <guilabel>Cursors</guilabel> tab in the <guilabel>Mouse Preferences</guilabel> dialog. </para> + </listitem> + <listitem> + <para>Select one of the following themes from the pointer themes +that are listed in the <guilabel>Cursor Theme</guilabel> list box:</para> + <itemizedlist> + <listitem> + <para>Default Cursor</para> + <para>Displays the default black pointer.</para> + </listitem> + <listitem> + <para>White Cursor</para> + <para>Displays a white pointer that is the same size as the default pointer.</para> + </listitem> + <listitem> + <para>Large Cursor</para> + <para>Displays a large black pointer.</para> + </listitem> + <listitem> + <para>Large White Cursor</para> + <para>Displays a large white pointer.</para> + </listitem> + </itemizedlist> + </listitem> + <listitem> + <para>To change the pointer theme, you must log out of your session and log in again.</para> + </listitem> + </orderedlist> + </sect3> + <sect3 id="dtconfig-9"> + <title>To Stop the Cursor Blinking</title> + <para>To stop the cursor blinking in text boxes and fields, perform the following +steps: </para> + <orderedlist> + <listitem> + <para>Choose <menuchoice><guimenu>Applications</guimenu><guisubmenu>Desktop Preferences</guisubmenu><guisubmenu>Accessibility</guisubmenu><guimenuitem>Keyboard</guimenuitem></menuchoice> to start the <application>Keyboard Accessibility</application> preference tool.</para> + </listitem> + <listitem> + <para>Click on the <guibutton>Repeat Key Preferences</guibutton> +button. The <guilabel>Keyboard Preferences</guilabel> dialog is displayed. </para> + </listitem> + <listitem> + <para>In the <guilabel>Keyboard</guilabel> tabbed section, deselect +the <guilabel>Blinks in text boxes and fields</guilabel> option.</para> + </listitem> + </orderedlist> + </sect3> + </sect2> + <sect2 id="dtconfig-10"> + <title>To Use the Keyboard to Emulate the Mouse</title> + <para>If you have difficulty using a mouse, you can use the keyboard to emulate +the mouse functions. See <xref linkend="dtconfig-14"/> of this manual for more +information.</para> + </sect2> + </sect1> + <sect1 id="dtconfig-11"> + <title>Configuring the Keyboard</title> + <para>Use the <application>Keyboard Accessibility</application> preference +tool, also known as <application>AccessX</application>, to configure the keyboard +accessibility options. To start <application>AccessX</application>, choose +.<menuchoice><guimenu>Applications</guimenu><guisubmenu>Desktop Preferences</guisubmenu><guisubmenu>Accessibility</guisubmenu><guimenuitem>Keyboard</guimenuitem></menuchoice>.</para> + <para>The <application>AccessX</application> dialog enables you to customize +your keyboard in the following ways:</para> + <itemizedlist> + <listitem> + <para>To use the numeric keypad to emulate mouse actions. See <xref linkend="dtconfig-14"/>.</para> + </listitem> + <listitem> + <para>To specify the duration for which you must press-and-hold +a key before the system accepts the keypress. See <xref linkend="dtconfig-15"/>.</para> + </listitem> + <listitem> + <para>To ignore rapid, repeated keypresses of the same key. See <xref linkend="dtconfig-16"/>.</para> + </listitem> + <listitem> + <para>To accept key combinations in sequence rather than simultaneously. +See <xref linkend="dtconfig-17"/>.</para> + </listitem> + <listitem> + <para>To emit an audible notification when a user activates or deactivates +a toggle key. See <xref linkend="dtconfig-18"/>.</para> + </listitem> + <listitem> + <para>To ignore long keypresses of the same key and control the +repeat rate of a keypress. See <xref linkend="dtconfig-19"/>.</para> + </listitem> + </itemizedlist> + <sect2 id="dtconfig-12"> + <title>Before You Can Use AccessX</title> + <para>Before you can use the <application>AccessX</application> preference +tool, you must enable XKB on your Solaris system. </para> + <note> + <para>XKB is not currently supported on Sun Ray™ systems.</para> + </note> + <para>To enable XKB on a non-Sun Ray system, perform the following steps:</para> + <orderedlist> + <listitem> + <para>Log in as root.</para> + </listitem> + <listitem> + <para>Check if the path and file <filename>/etc/dt/config/Xservers</filename> exists on your system.</para> + </listitem> + <listitem> + <para>If the <filename>/etc/dt/config</filename> directory does +not exist, enter the following command:</para> + <screen> + <command>mkdir -p /etc/dt/config</command> + </screen> + </listitem> + <listitem> + <para>If the <filename>Xservers</filename> file is not present, +enter the following command:</para> + <screen> + <command>cp /usr/dt/config/Xservers /etc/dt/config/Xservers</command> + </screen> + </listitem> + <listitem> + <para>Open the <filename>Xservers</filename> file in a text editor +and scroll to the end of the file. </para> + </listitem> + <listitem> + <para>Append the following to the command line at the end of the +file:</para> + <screen> + <userinput>+kb</userinput> + </screen> + </listitem> + <listitem> + <para>Save and close the file.</para> + </listitem> + <listitem> + <para>Enter the following command at a command line:</para> + <screen> + <command>pkill -HUP dtlogin</command> + </screen> + </listitem> + <listitem> + <para>Log out of your GNOME session and log in again.</para> + </listitem> + <listitem> + <para>To verify if XKB is running, enter <command>xdpyinfo</command> +and search for XKEYBOARD in the extensions list.</para> + </listitem> + </orderedlist> + </sect2> + <sect2 id="dtconfig-13"> + <title>To Activate the Keyboard Accessibility Options</title> + <para>To activate the keyboard accessibility options, perform the following +steps: </para> + <orderedlist> + <listitem> + <para>Select the <guilabel>Enable keyboard accessibility</guilabel> +option.</para> + </listitem> + <listitem> + <para>Select the <guilabel>Beep when enabling/disabling keyboard +accessibility features</guilabel> option to receive an audible notification +each time a user enables or disables a keyboard accessibility option using +the following keyboard shortcuts:</para> + <itemizedlist> + <listitem> + <para>Press-and-hold <keycap>Shift</keycap> for eight seconds to +enable or disable the slow keys feature. </para> + </listitem> + <listitem> + <para>Press <keycap>Shift</keycap> five times to enable or disable +the sticky keys feature.</para> + </listitem> + </itemizedlist> + </listitem> + <listitem> + <para>To automatically disable the keyboard accessibility options +if the options are not used for a specified number of seconds, select the <guilabel>Disable if unused for X seconds</guilabel> option. Use the slider to specify +the number of seconds of keyboard idle time required before the system disables +the keyboard accessibility options. </para> + <para>This option is intended for computers that are shared by a number of +different users, some of whom require the keyboard accessibility options. </para> + </listitem> + </orderedlist> + </sect2> + <sect2 id="dtconfig-14"> + <title>To Enable the Keyboard to Emulate the Mouse</title> + <para>The mouse keys feature enables you to use the numeric keypad on the +keyboard to emulate mouse actions. This feature benefits users who have difficulty +using a mouse or other pointing device. To enable and configure the mouse +keys feature, perform the following steps:</para> + <orderedlist> + <listitem> + <para>Select the <guilabel>Enable Mouse Keys</guilabel> option.</para> + </listitem> + <listitem> + <para>Configure the following options to determine the behavior +of the mouse pointer when you control the pointer from the numeric keypad:</para> + <variablelist> + <varlistentry> + <term> + <guilabel>Maximum pointer speed</guilabel> + </term> + <listitem> + <para>Use this spin box to specify the maximum speed, in pixels per second, +at which the pointer moves around the screen.</para> + </listitem> + </varlistentry> + <varlistentry> + <term> + <guilabel>Time to accelerate to max speed</guilabel> + </term> + <listitem> + <para>Use this spin box to specify the duration, in milliseconds, +before the pointer accelerates to the maximum pointer speed. </para> + </listitem> + </varlistentry> + <varlistentry> + <term> + <guilabel>Start moving this long after keypress</guilabel> + </term> + <listitem> + <para>Use this spin box to specify the interval, in milliseconds, +between a keypress and the time when the pointer starts to move. </para> + </listitem> + </varlistentry> + </variablelist> + </listitem> + </orderedlist> + <para>When you enable mouse keys, the keys on the numeric keypad have the +following functions:</para> + <table frame="topbot" id="dtconfig-TBL-1"> + <title>Numeric Keypad to Mouse Functions Mapping</title> + <tgroup cols="2" colsep="0" rowsep="0"> + <colspec colname="colspec0" colwidth="52.78*"/> + <colspec colname="colspec1" colwidth="47.22*"/> + <thead> + <row rowsep="1"> + <entry> + <para>Numeric Keypad Keys</para> + </entry> + <entry> + <para>Function</para> + </entry> + </row> + </thead> + <tbody> + <row> + <entry> + <para>1, 2, 3, 4, 6, 7, 8, 9</para> + </entry> + <entry> + <para>Move the +mouse pointer around the screen.</para> + </entry> + </row> + <row> + <entry colname="colspec0"> + <para>5</para> + </entry> + <entry colname="colspec1"> + <para>Mouse button click</para> + </entry> + </row> + <row> + <entry colname="colspec0"> + <para>0</para> + </entry> + <entry colname="colspec1"> + <para>Mouse button double-click</para> + </entry> + </row> + <row> + <entry colname="colspec0"> + <para>.</para> + </entry> + <entry colname="colspec1"> + <para>Mouse button press</para> + </entry> + </row> + <row> + <entry> + <para>/</para> + </entry> + <entry> + <para>Mouse button 1</para> + </entry> + </row> + <row> + <entry colname="colspec0"> + <para>*</para> + </entry> + <entry colname="colspec1"> + <para>Mouse button 2</para> + </entry> + </row> + <row> + <entry colname="colspec0"> + <para>−</para> + </entry> + <entry colname="colspec1"> + <para>Mouse button 3</para> + </entry> + </row> + </tbody> + </tgroup> + </table> + <para>Some systems also use the function keys to emulate the mouse buttons. +The common function key to mouse button mappings are described in the following +table.</para> + <table frame="topbot" id="dtconfig-TBL-2"> + <title>Function Keys to Mouse Functions Mapping</title> + <tgroup cols="2" colsep="0" rowsep="0"> + <colspec colname="colspec0" colwidth="52.78*"/> + <colspec colname="colspec1" colwidth="47.22*"/> + <thead> + <row rowsep="1"> + <entry> + <para>Function Key</para> + </entry> + <entry> + <para>Function</para> + </entry> + </row> + </thead> + <tbody> + <row> + <entry> + <para>F2</para> + </entry> + <entry> + <para>Mouse button 1</para> + </entry> + </row> + <row> + <entry colname="colspec0"> + <para>F3</para> + </entry> + <entry colname="colspec1"> + <para>Mouse button 2</para> + </entry> + </row> + <row> + <entry colname="colspec0"> + <para>F4</para> + </entry> + <entry colname="colspec1"> + <para>Mouse button 3</para> + </entry> + </row> + </tbody> + </tgroup> + </table> + </sect2> + <sect2 id="dtconfig-15"> + <title>To Enable the Slow Keys Feature</title> + <para>The slow keys feature enables you to customize how the keyboard handles +user input in the following ways:</para> + <itemizedlist> + <listitem> + <para>Specify the duration for which you must press-and-hold a key +before the system accepts the keypress. This aspect of the feature benefits +users who frequently press keys that they do not intend to press. </para> + </listitem> + <listitem> + <para>Enable audible indications of keyboard input and acceptance. +This aspect of the feature benefits users who cannot see the result of a keypress.</para> + </listitem> + </itemizedlist> + <para>To enable and configure the slow keys feature, perform the following +steps:</para> + <orderedlist> + <listitem> + <para>Select the <guilabel>Enable Slow Keys</guilabel> option. </para> + <tip> + <para>To select or deselect this feature from the keyboard, press-and-hold <keycap>Shift</keycap> for eight seconds. This keyboard shortcut automatically selects +all of the slow keys options. If you selected the <guilabel>Beep when enabling/disabling +keyboard accessibility features</guilabel> option, after four seconds the +system beeps three times to indicate that the system is about to select or +deselect the feature. If you enable this feature from the keyboard, you must +press-and-hold <keycap>Shift</keycap> for eight seconds again to disable the +feature.</para> + </tip> + </listitem> + <listitem> + <para>Use the <guilabel>Only accept keypress after x msecs</guilabel> +slider or spin box to specify the duration, in milliseconds, for which you +must press and hold a key before the system accepts the keypress. Use the <guilabel>Testing Area</guilabel> to test the slow keys setting and modify the setting +as required. </para> + </listitem> + <listitem> + <para>To enable audible indications of keyboard input and acceptance, +select the following options:</para> + <variablelist> + <varlistentry> + <term> + <guilabel>Beep when key is pressed</guilabel> + </term> + <listitem> + <para>Select this option to hear a beep when you press a key.</para> + </listitem> + </varlistentry> + <varlistentry> + <term> + <guilabel>Beep when key is accepted</guilabel> + </term> + <listitem> + <para>Select this option to hear a beep when the system accepts +a keypress. </para> + </listitem> + </varlistentry> + <varlistentry> + <term> + <guilabel>Beep when key is rejected</guilabel> + </term> + <listitem> + <para>Select this option to hear a beep when the system rejects +a keypress. The system rejects a keypress if you do not press-and-hold the +key for the duration that is specified in the <guilabel>Only accept keypress +after x msecs</guilabel> setting.</para> + </listitem> + </varlistentry> + </variablelist> + </listitem> + </orderedlist> + <para/> + </sect2> + <sect2 id="dtconfig-16"> + <title>To Enable the Bounce Keys Feature</title> + <para>The bounce keys feature enables you to customize the keyboard to ignore +rapid, repeated keypresses of the same key. For example, users with impaired +motor skills might press the same key several times when they intend to press +the key once. This feature enables you to customize the keyboard to ignore +repeated keypresses. </para> + <para>To enable and configure the bounce keys feature, perform the following +steps:</para> + <orderedlist> + <listitem> + <para>Select the <guilabel>Enable Bounce Keys</guilabel> option. </para> + </listitem> + <listitem> + <para>Use the <guilabel>Ignore keypresses within x msecs</guilabel> +slider or spin box to specify the duration after the first keypress for which +the system ignores repeated keypresses of the same key. For example, if you +select a duration of 500 msecs, the system ignores all repeated keypresses +of the same key that occur within 500 msecs of the first keypress.</para> + </listitem> + <listitem> + <para>Select the <guilabel>Beep when key is rejected</guilabel> +option to hear an audible indication when the system ignores a key.</para> + </listitem> + </orderedlist> + <note> + <para>If you wish to enable the bounce keys feature, please ensure that +the <guilabel>Enable Slow Keys</guilabel> option is deselected. The slow keys +feature requires you to press a key for a specified duration before the system +accepts the keypress as a valid keypress. If you cannot press the key for +the duration that is specified by the slow keys setting, the system does not accept your input unless you deselect the <guilabel>Enable Slow Keys</guilabel> +option.</para> + </note> + </sect2> + <sect2 id="dtconfig-17"> + <title>To Enable the Sticky Keys Feature</title> + <para>The sticky keys feature enables you to press the keys in a key combination +in sequence rather than simultaneously. This feature is designed for users +who are unable to press two or more keys simultaneously. </para> + <para>To enable and configure the sticky keys feature, perform the following +steps:</para> + <orderedlist> + <listitem> + <para>Select the <guilabel>Enable Sticky Keys</guilabel> option.</para> + <tip> + <para>To enable the sticky keys feature from the keyboard, press <keycap>Shift</keycap> five times. This keyboard shortcut automatically selects all +of the sticky keys options. If you selected the <guilabel>Beep when enabling/disabling +keyboard accessibility features</guilabel> option, the system beeps to indicate +that the system is about to select or deselect the feature. If you enable +this feature from the keyboard, press <keycap>Shift</keycap> five times again +to disable the feature.</para> + </tip> + </listitem> + <listitem> + <para>Select the <guilabel>Beep when modifier is pressed</guilabel> +option to receive an audible indication each time you press a modifier key. +This option is useful to remind you whether a modifier key is active or inactive. </para> + </listitem> + <listitem> + <para>To automatically disable the sticky keys feature when a user +presses two keys simultaneously, select the <guilabel>Turn off Sticky Keys +when two keys pressed simultaneously</guilabel> option.</para> + </listitem> + </orderedlist> + <para>You can use the sticky keys feature in latch or lock mode. The following +table describes how to choose a mode and the difference between the two modes.</para> + <table frame="topbot" id="dtconfig-TBL-3"> + <title>Sticky Keys Latch or Lock Mode</title> + <tgroup cols="3" colsep="0" rowsep="0"> + <colspec colname="colspec0" colwidth="52.78*"/> + <colspec colname="colspec1" colwidth="47.22*"/> + <colspec colname="colspec2" colwidth="47.22*"/> + <thead> + <row rowsep="1"> + <entry> + <para>To use the sticky keys feature in...</para> + </entry> + <entry> + <para>Press the modifier key...</para> + </entry> + <entry colname="colspec2"> + <para>The modifier key stays active until...</para> + </entry> + </row> + </thead> + <tbody> + <row> + <entry> + <para>Latch mode</para> + </entry> + <entry> + <para>Once.</para> + </entry> + <entry colname="colspec2"> + <para>You press a non-modifier key.</para> + </entry> + </row> + <row> + <entry colname="colspec0"> + <para>Lock mode</para> + </entry> + <entry colname="colspec1"> + <para>Twice in quick succession.</para> + </entry> + <entry colname="colspec2"> + <para>You press the modifier key again.</para> + </entry> + </row> + </tbody> + </tgroup> + </table> + <para>For example, if you want to press <keycombo><keycap>Alt</keycap><keycap>F1</keycap></keycombo>, you should do the following:</para> + <orderedlist> + <listitem> + <para>Press <keycap>Alt</keycap> to latch the modifier key. The <keycap>Alt</keycap> key remains active.</para> + </listitem> + <listitem> + <para>Press <keycap>F1</keycap>. The key combination is now complete. +After you press <keycap>F1</keycap>, the <keycap>Alt</keycap> modifier key +is no longer active.</para> + </listitem> + </orderedlist> + <para>As another example, if you want to press <keycombo><keycap>Ctrl</keycap><keycap>Alt</keycap><keycap>Tab</keycap></keycombo>, you should do the following. </para> + <orderedlist> + <listitem> + <para>Press <keycap>Ctrl</keycap> twice to lock the modifier key. +The <keycap>Alt</keycap> remains active.</para> + </listitem> + <listitem> + <para>Press <keycap>Alt</keycap>. </para> + </listitem> + <listitem> + <para>Press <keycap>Tab</keycap>. The key combination is now complete. </para> + </listitem> + <listitem> + <para>To unlock the modifier key, press <keycap>Ctrl</keycap> again.</para> + </listitem> + </orderedlist> + </sect2> + <sect2 id="dtconfig-18"> + <title>To Enable Audible Notifications for Toggle Keys</title> + <para>A toggle key is any key on the keyboard that can switch between two +states. The <keycap>Num Lock</keycap>, <keycap>Caps Lock</keycap>, and <keycap>Scroll Lock</keycap> keys are toggle keys. Most toggle keys have an associated +light emitting diode (LED) on the keyboard that lights when the toggle key +is active. To assist users with visual impairments, you can customize the +keyboard to emit an audible notification when a user presses a toggle key. +For example, when you press <keycap>Num Lock</keycap>, you can determine whether +the key is toggled or not toggled by the sound. </para> + <para>To enable accessible toggle keys, select the <guilabel>Enable Toggle +Keys</guilabel> option. When you activate the <keycap>Num Lock</keycap>, <keycap>Caps Lock</keycap>, or <keycap>Scroll Lock</keycap> keys, the system beeps +once. When you deactivate a toggle key, the system beeps twice.</para> + </sect2> + <sect2 id="dtconfig-19"> + <title>To Enable the Repeat Keys Feature</title> + <para>The repeat keys feature enables you to repeat a keystroke multiple +times without pressing the key more than once. This feature is designed for +users who cannot release keys quickly, for example users who operate a mouth +stick. When you enable repeat keys, you can specify the duration for which +you must press a key before the key starts to repeat.</para> + <para>To enable and configure the repeat keys feature, perform the following +steps: </para> + <orderedlist> + <listitem> + <para>Click on the <guibutton>Repeat Key Preferences</guibutton> +button. The <guilabel>Keyboard Preferences</guilabel> dialog is displayed. </para> + </listitem> + <listitem> + <para>Select the <guilabel>Keyboard repeats when key is held down</guilabel> option to enable the repeat keys feature.</para> + </listitem> + <listitem> + <para>Use the <guilabel>Delay</guilabel> slider to specify the duration +for which you must press a key before the keyboard interprets the action as +a repeat key. If you have difficulty releasing keys, select a long time delay. </para> + </listitem> + <listitem> + <para>Use the <guilabel>Speed</guilabel> slider to specify the speed +at which the keyboard repeats the keypress as input.</para> + </listitem> + </orderedlist> + </sect2> + </sect1> +</chapter> |