code: def __setKeySwitchGuardTime(self, iKeySwitchGuardTime):
          
          print '%s call setKeySwitchGuardTime' % self.port
          print iKeySwitchGuardTime
          try:
              cmd = 'keysequence guardtime %s' % str(iKeySwitchGuardTime)
              if self.__sendCommand(cmd)[0] == 'Done':
                  time.sleep(1)
                  return True
              else:
                  return False
          except Exception, e:
              ModuleHelper.WriteIntoDebugLogger("setKeySwitchGuardTime() Error; " + str(e))
docs: set the Key switch guard time
  
          Args:
              iKeySwitchGuardTime: key switch guard time
  
          Returns:
              True: successful to set key switch guard time
              False: fail to set key switch guard time