<?xml version="1.0"?>
<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
    "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" [
  <!ENTITY legal SYSTEM "legal.xml">
  <!ENTITY appversion "2.2.2">
  <!ENTITY manrevision "2.1">
  <!ENTITY date "February 2004">
  <!ENTITY app "<application>GNOME Volume Control</application>">
  <!ENTITY appname "GNOME Volume Control">
]>

<!-- 
      (Do not remove this comment block.)
  Maintained by the GNOME Documentation Project
  http://developer.gnome.org/projects/gdp
  Template version: 2.0 beta
  Template last modified Jan 2, 2002
-->


<article id="index" lang="en">
<articleinfo> 
   <title>&appname; Manual V&manrevision;</title>

    <copyright>
      <year>2004</year>
      <holder>Sun Microsystems</holder>
    </copyright>

   <copyright>
     <year>2003</year>
     <holder>Christian Schaller</holder>
   </copyright>

   <copyright>
     <year>2002</year>
     <holder>Michael Froh</holder>
   </copyright>

   <copyright>
     <year>2000</year>
     <holder>Erik Jarvi</holder>
   </copyright>

<!-- translators: uncomment this:
                                                                                                
  <copyright>
   <year>2004</year>
   <holder>ME-THE-TRANSLATOR (Latin translation)</holder>
  </copyright>
                                                                                                
   -->

  <abstract role="description">
    <para>&app; is an audio mixer</para>
  </abstract>

  <publisher>
    <publishername>GNOME Documentation Project</publishername>
  </publisher>

  &legal;
   <!-- This file  contains link to license for the documentation (GNU FDL), and
        other legal stuff such as "NO WARRANTY" statement. Please do not change
        any of this. -->

  <authorgroup>

      <author role="maintainer">
        <firstname>Sun</firstname>
        <surname>GNOME Documentation Team</surname>
        <affiliation><orgname>Sun Microsystems</orgname></affiliation>
      </author>

    <author>
      <firstname>Christian Fredrik</firstname>
      <surname>Kalager Schaller</surname>
      <affiliation>
        <orgname>GNOME Documentation Project</orgname>
        <address>
              <email>uraeus@gnome.org</email>
        </address>
      </affiliation>
    </author>

    <author>
      <firstname>Michael</firstname>
      <surname>Froh</surname>
      <affiliation>
        <orgname>GNOME Documentation Project</orgname>
        <address>
              <email>msfroh@uwaterloo.ca</email>
        </address>
      </affiliation>
    </author>

    <author>
      <firstname>Erik</firstname>
      <surname>Jarvi</surname>
      <affiliation>
        <orgname>GNOME Documentation Project</orgname>
        <address>
              <email>ejarvi@megsinet.net</email>
        </address>
      </affiliation>
    </author>

<!-- This is appropriate place for other contributors: translators,
      maintainers,  etc. Commented out by default.
       <othercredit role="translator">
        <firstname>Latin</firstname>
        <surname>Translator 1</surname>
        <affiliation>
          <orgname>Latin Translation Team</orgname>
          <address> <email>translator@gnome.org</email> </address>
        </affiliation>
        <contrib>Latin translation</contrib>
      </othercredit>
-->

  </authorgroup>


  <revhistory>

      <revision>
        <revnumber>&appname; Manual V&manrevision;</revnumber>
        <date>&date;</date>
        <revdescription>
          <para role="author">Sun GNOME Documentation Team</para>
          <para role="publisher">GNOME Documentation Project</para>
        </revdescription>
      </revision>

    <revision>
      <revnumber>2.0</revnumber>
      <date>25 October 2003</date> 
      <revdescription>
                   <para role="author">Christian Schaller
                     <email>uraeus@gnome.org</email></para>
                   <para role="publisher">GNOME Documentation Project</para>
      </revdescription>
    </revision>

    <revision>
      <revnumber>1.0</revnumber>
      <date>19 Feb 2002</date> <!-- or use &date; -->
      <revdescription>
                   <para role="author">Michael Froh
                     <email>msfroh@uwaterloo.ca</email></para>
                   <para role="publisher">GNOME Documentation Project</para>
				   <para>Updated to Docbook 4.1.2, for GNOME 2.0</para>
          </revdescription>

    </revision>

    <revision>
      <revnumber>0.1</revnumber>
      <date>23 Mar 2001</date>
      <revdescription>
                   <para role="author">Erik Jarvi
                    <email>ejarvi@megsinet.net</email></para>
                   <para role="publisher">GNOME Documentation
                    Project</para>
                <para>This was the original release, for GNOME 1.2</para>
          </revdescription>
    </revision>

  </revhistory>

    <releaseinfo>
       This manual describes version &appversion; of &appname;. 
    </releaseinfo>

    <legalnotice>
      <title>Feedback</title>
      <para>To report a bug or make a suggestion regarding the &appname; application or this manual, follow the directions in the <ulink url="ghelp:gnome-feedback" type="help">GNOME Feedback Page</ulink>.
      </para>
<!-- Translators may also add here feedback address for translations -->
    </legalnotice>

</articleinfo>

<indexterm zone="index"><primary>gnome-volume-control</primary></indexterm>
<indexterm zone="index"><primary>GNOME Volume Control</primary></indexterm>

<!-- ============= Document Body ============================= -->
 <!-- ============= Introduction ============================== -->

  <sect1 id="gnome-volume-control-intro">
    <title>Introduction</title>
    <para>
      The &app; application is an audio mixer that enables you to mix audio for two-channel sound cards.
    </para>
  </sect1>

<!-- ============= Getting Started =========================== -->
  <sect1 id="gnome-volume-control-getting-started">
    <title>Getting Started</title>
                                                                                                  
<!-- ============= To Start Volume Control ============================ -->
    <sect2 id="gnome-volume-control-to-start">
      <title>To Start &appname;</title>
      <para>You can start &app; in the following ways:</para>
      <variablelist>
        <varlistentry>
          <term><guimenu>Applications</guimenu> menu</term>
          <listitem>
            <para>
              Choose <menuchoice><guisubmenu>Multimedia</guisubmenu><guimenuitem>Volume Control</guimenuitem></menuchoice>. 
            </para>
          </listitem>
        </varlistentry>
        <varlistentry>
          <term>Command line</term>
          <listitem>
            <para>
              Execute the following command: <command>gnome-volume-control</command></para>
          </listitem>
        </varlistentry>
      </variablelist>
    </sect2>
                                                                                                  
    <sect2 id="gnome-volume-control-when-you-start">
      <title>When You Start &appname;</title>
      <para>
        When you start &app;, the following window is displayed:
      </para>
      <figure id="gnome-volume-control-window">
        <title>&appname; Window</title>
        <screenshot>
          <mediaobject>
            <imageobject>
              <imagedata fileref="figures/gnome-volume-control_window.png" format="PNG"/>
            </imageobject>
            <textobject> <phrase>Shows Volume Control main window.</phrase>
            </textobject>
          </mediaobject>
        </screenshot>
      </figure>
      <para>
        The &app; window contains the following elements:
      </para>
      <variablelist>
        <varlistentry>
          <term>Menubar</term>
          <listitem>
            <para>
              The menus on the menubar contain all of the commands that you need to work with &app;.
            </para>
          </listitem>
        </varlistentry>
        <varlistentry>
          <term>Display area</term>
          <listitem>
            <para>
              The display area contains the channel faders and associated options for several mixers, which enable you to control the volume on those mixers.
            </para>
            <note>
              <para>
                &app; populates the display area dynamically, based on the functionality supported by your sound card. The mixers displayed in your &app; window might be different to those shown in Figure 1. 
              </para>
            </note>
          </listitem>
        </varlistentry>
      </variablelist>
    </sect2>
  </sect1>

 <!-- ================ Usage ================================ -->

  <sect1 id="gnome-volume-control-usage">
    <title>Usage</title>
  
    <sect2 id="gnome-volume-control-usage-vol">
      <title>To Change a Mixer Volume</title>
      <para>
        To change a mixer volume, use the channel faders for that mixer, as follows:
      </para>
      <itemizedlist>
        <listitem>
          <para>
            To increase the volume, slide the fader up.
          </para>
        </listitem>
        <listitem>
          <para>
            To decrease the volume, slide the fader down.
          </para>
        </listitem>
      </itemizedlist>
    </sect2>
  
    <sect2 id="gnome-volume-control-usage-lock">
      <title>To Lock the Mixer Channels</title>
      <para>
        To lock the left and right mixer channels together, select the <guilabel>Lock</guilabel> option for that mixer. When you lock the mixer channels, &app; synchronizes both faders.
      </para>
    </sect2>
  
    <sect2 id="gnome-volume-control-usage-mute">
      <title>To Silence a Mixer</title>
      <para>
        To silence a mixer, select the <guilabel>Mute</guilabel> option for that mixer.
      </para>
      <note>
        <para>
          When you adjust the fader of a muted channel, &app; deselects the <guilabel>Mute</guilabel> option for that mixer.
        </para>
      </note>
<!-- Note from original author:
  [I find this to be anti-intutive, IMHO this should be
  an option.  If this feature was on a real console, I'd probably be fired
  more than a few times. :)] 
-->
    </sect2>
  
    <sect2 id="gnome-volume-control-usage-rec">
      <title>To Specify the Current Recording Source</title>
      <para>
        Any mixer that has a <guilabel>Rec</guilabel> option can be a recording source.
      </para>
      <para>
        To specify the current recording source, select the <guilabel>Rec</guilabel> option for that mixer.
      </para>
    </sect2>

  </sect1>

  <sect1 id="prefs">
    <title>Preferences</title>
    <para>
      To configure &app;, choose <menuchoice><guimenu>Edit</guimenu><guimenuitem>Preferences</guimenuitem></menuchoice>.
    </para>
    <note>
      <para>
        &app; populates the <guilabel>Gnome Volume Control Preferences</guilabel> dialog dynamically, based on the functionality supported by your sound card.
      </para>
    </note>
    <para>
      Use the options in the <guilabel>Shown</guilabel> column to select the mixers that are displayed in the main &app; window.
    </para>
    <variablelist>
      <varlistentry>
        <term><guilabel>vol</guilabel></term>
        <listitem>
          <para>
            Select this option to display the faders that control the main volume.
          </para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><guilabel>pcm</guilabel></term>
        <listitem>
          <para>
            Select this option to display the faders that control the wave files.
          </para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><guilabel>speaker</guilabel></term>
        <listitem>
          <para>
            Select this option to display the fader that controls the speaker output jack.
          </para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><guilabel>line</guilabel></term>
        <listitem>
          <para>
            Select this option to display the faders that control the line input on your sound card, if the sound card has a line input. 
          </para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><guilabel>mic</guilabel></term>
        <listitem>
          <para>
            Select this option to display the fader that controls the microphone input on your sound card.
          </para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><guilabel>cd</guilabel></term>
        <listitem>
          <para>
            Select this option to display the faders that control the CD player input gain. 
          </para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><guilabel>igain</guilabel></term>
        <listitem>
          <para>
            Select this option to display the faders that control the volume level of the selected recording device.
          </para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><guilabel>line1</guilabel></term>
        <listitem>
          <para>
            Select this option to display the faders that control the second line input on your sound card, if the sound card has a second line input. 
          </para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><guilabel>phin</guilabel></term>
        <listitem>
          <para>
            Select this option to display the fader that controls the volume of the phin device.
          </para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><guilabel>video</guilabel></term>
        <listitem>
          <para>
            Select this option to display the faders that control the volume of the video devices.
          </para>
        </listitem>
      </varlistentry>
    </variablelist>
    <para>
      To change a mixer label, double-click on the text in the <guilabel>Mixer label</guilabel> column, then enter the new label text.
    </para>
    <para>
      To reset the mixer labels to the default values, click on the <guibutton>Reset labels to their defaults</guibutton> button.
    </para>

  </sect1>  

</article>
