<sect1 id="CFontz-howto"><title>The CFontz Driver</title><para>This section talks about using LCDproc with LCD displays that use theCFontz chipset.</para><!-- ## CrystalFontz driver (for CF632 &amp; CF634) ## --><sect2 id="CFontz-config"><title>Configuration in LCDd.conf</title><sect3 id="CFontz-config-section"><title>[CFontz]</title><variablelist><varlistentry>  <term>    <command>Device=</command>    <arg choice="plain"><replaceable>DEVICE</replaceable></arg>  </term>  <listitem><para>    Select the serial output device to use.    If not given, default is <filename>/dev/lcd</filename>.  </para></listitem></varlistentry><varlistentry>  <term>    <command>Size=</command>    <arg choice="plain">      <replaceable>WIDTH</replaceable>      <literal>x</literal>      <replaceable>HEIGHT</replaceable>    </arg>  </term>  <listitem><para>    Set the LCD's dimensions in terms of characters per line and lines.    If not given, it defaults to <literal>20x4</literal>.  </para></listitem></varlistentry><varlistentry>  <term>    <command>Contrast=</command>    <arg choice="plain"><replaceable>CONTRAST</replaceable></arg>  </term>  <listitem><para>    Set the initial contrast.    Legal values for <replaceable>CONTRAST</replaceable> are in the range    between <literal>0</literal> and <literal>1000</literal>.    If not given, it defaults to <literal>140</literal>.  </para></listitem></varlistentry><varlistentry>  <term>    <command>Brightness=</command>    <arg choice="plain"><replaceable>BRIGHTNESS</replaceable></arg>  </term>  <listitem><para>    Set the initial brightness.    Legal values for <replaceable>BRIGHTNESS</replaceable> range from    <literal>0</literal> to <literal>255</literal>.    If not given, it defaults to <literal>255</literal>.  </para></listitem></varlistentry><varlistentry>  <term>    <command>OffBrightness=</command>    <arg choice="plain"><replaceable>BRIGHTNESS</replaceable></arg>  </term>  <listitem><para>    Set the initial off-brightness.    This value is used when the display is normally    switched off in case LCDd is inactive.    Legal values <replaceable>BRIGHTNESS</replaceable> are in the range    from <literal>0</literal> to <literal>255</literal>.    The default is <literal>0</literal>.  </para></listitem></varlistentry><varlistentry>  <term>    <command>Speed=</command>    <arg choice="plain">    <group choice="req">      <arg choice="plain"><literal>1200</literal></arg>      <arg choice="plain"><literal>2400</literal></arg>      <arg choice="plain"><literal><emphasis>9600</emphasis></literal></arg>      <arg choice="plain"><literal>19200</literal></arg>      <arg choice="plain"><literal>115200</literal></arg>    </group>    </arg>  </term>  <listitem><para>    Set the the baud rate to use when communicating with the LCD.    It defaults to <literal>9600</literal> if not specified.  </para></listitem></varlistentry><varlistentry>  <term>    <command>NewFirmware=</command>    <arg choice="plain">    <group choice="req">      <arg choice="plain"><literal>yes</literal></arg>      <arg choice="plain"><literal><emphasis>no</emphasis></literal></arg>    </group>    </arg>  </term>  <listitem><para>    Set the firmware version (<emphasis>New</emphasis> means >= 2.0) [default: <literal>no</literal>; legal: <literal>yes</literal>, <literal>no</literal>]  </para></listitem></varlistentry><varlistentry>  <term>    <command>Reboot=</command>    <arg choice="plain">    <group choice="req">      <arg choice="plain"><literal>yes</literal></arg>      <arg choice="plain"><literal><emphasis>no</emphasis></literal></arg>    </group>    </arg>  </term>  <listitem><para>    Reinitialize the LCD's BIOS [default: <literal>no</literal>; legal: <literal>yes</literal>, <literal>no</literal>]    normally you shouldn't need this  </para></listitem></varlistentry></variablelist></sect3></sect2></sect1>