Case: When the bottle size change, the feedback is that how to adjust the photoelectric sensor.

1. Place the Labeled bottle to cylinder location, Adjust the height of the photoelectric eye to the height that can detect the label.

2. When the photoelectric does not hit the label, the red value needs to be smaller than the green one.

3. When the photoelectric light hits the label, the red value needs to be larger than the green value.