to check from time to time if any data has come in.</p>
  <p class=ManualBody>To set a timer, do the following statement:</p>
  <p class=ManualBody>&nbsp;</p>
  <p class=ManualBody><span style='font-family:"Courier New";'>SysInfoSet(&quot;Timer&quot;, 3000)   'Set a timer in 3 seconds.</span></p>
  <p class=ManualBody><span style='font-family:"Courier New";'> </span></p>
  <p class=ManualBody>To respond to the Timer event in your program, use
  something like this in your Events script:</p>
  <p c