docs: public void setWiperLock(final DeviceControllerChannel channel,
  			final boolean locked) throws IOException {
  
  		if (channel == null) {
  			throw new RuntimeException("null-channel is not allowed. For devices "
  					+ "knowing just one wiper Channel.A is mandatory for "
  					+ "parameter 'channel'");
  		}
  
  		byte memAddr = channel.getNonVolatileMemoryAddress();
  
  		// increasing or decreasing on non-volatile wipers
  		// enables or disables WiperLock (see 7.8)
  		increaseOrDecrease(memAddr, locked, 1);
  
  	}