      *
      *  <p>If a field is unknown, it is replaced by "??".
      *  If undefined, the label is not displayed.</p>
+     *  
+     *  <p>If you are in manual mode, you can set the values of these special characters 
+     *  by using the <code>setProgress()</code> method.</p>
      *
      *  @default "LOADING %3%%"
      */

        {
            indeterminatePlaying = true;

			// weak listener in case the pbar is removed before the timer is reset()
            // safe because pollTimer lives in the pbar
            pollTimer.addEventListener(TimerEvent.TIMER, updateIndeterminateHandler, false, 0, true);
            pollTimer.start();


            if (_mode == ProgressBarMode.POLLED)
            {
                // weak listener in case the pbar is removed before the timer is reset()
                // safe because pollTimer lives in the pbar
                pollTimer.addEventListener(TimerEvent.TIMER, updatePolledHandler, false, 0, true);
                pollTimer.start();
            }
