e="font-style: italic;">fm </span>- two-way
approximate&nbsp; FM<br>
      <span style="font-style: italic;">none</span> - no refinement<br>
      </td>
    </tr>
    <tr>
      <td>&nbsp;&nbsp;&nbsp; <i>PHG_REFINEMENT_LOOP_LIMIT</i></td>
      <td>Loop limit in FM refinement. Higher number means more
refinement. <br>
      </td>
    </tr>
    <tr nosave="" valign="top">
      <td>&nbsp;&nbsp;&nbsp; <span style="font-style: italic;">PHG_REFINEMENT_MAX_NEG_MOVE</span><br>
      </td>
      <td nosave="">Maxi