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<section id="PitchTuning">
  <title>Tuning Opcodes</title>

  <para>
    Opcodes that provide tuning functions are
    <link linkend="cps2pch"><citetitle>cps2pch</citetitle></link>, 
    <link linkend="cpsxpch"><citetitle>cpsxpch</citetitle></link>, 
    <link linkend="cpstun"><citetitle>cpstun</citetitle></link>, and
    <link linkend="cpstuni"><citetitle>cpstuni</citetitle></link>.
  </para>

</section>
