code: @Override
  	public void setWiperLock(final boolean enabled) throws IOException {
  
  		controller.setWiperLock(DeviceControllerChannel.valueOf(channel), enabled);
  
  	}
docs: Enables or disables wiper-lock. See chapter 5.3.
  
  @param enabled wiper-lock for the poti's channel has to be enabled
  @throws IOException Thrown if communication fails or device returned a malformed result