     </span>'C' Coupled mode theory.</p>
      <p style="font-family: monospace;" class="MsoPlainText"><span
          style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;



        </span>'A' Adiabatic mode theory (default).<br>
      </p>
      <p style="font-family: monospace;" class="MsoPlainText"><span
          style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;



        </span>OPTION(3:3): Selects 