code: @Override
  	public Collection<SerialMessage> initialize() {
  		ArrayList<SerialMessage> result = new ArrayList<SerialMessage>(2);
  		result.add(this.getIntervalMessage()); // get wake up interval.
  		if (this.getVersion() > 1)
  			result.add(this.getIntervalCapabilitiesMessage()); // get default values for wake up interval.
  		return result;
  	}
docs: {@inheritDoc}