void StopSeeing(RFIDEventType type)
 {
     if (_CurrentEventType == type || _CurrentEventType == RFIDEventType.RMU_CardIsReady)
     {
         RMUStatus.Set();
     }
 }
 void WaitToSee(RFIDEventType type)
 {
     _CurrentEventType = type;
     RMUStatus.Reset();
     RMUStatus.WaitOne(5000, false);
 }