liseconds</div>
          <div>Delay in-between tests
          <input id='inter_test_delay' maxlength='16' size='4' value='0'> milliseconds</div>
       </fieldset>
       <fieldset>
        <legend>DMX512 Options</legend>
         <div>
           <input type='checkbox' id='rdm-tests-send_dmx_in_bg'>
             <label for='rdm-tests-send_dmx_in_bg'>Send DMX in background</label>
         </div>
         <table id='rdm-tests-dmx_options'>
          <tr>
           <td>DMX Frame rate (frames / second)
   