The D2RF series dual digital display fiber amplifiers are equipped with the latest functions and features to meet even the most demanding needs of today’s sensing requirements. The amplifier is designed with advanced user friendly programming format, offering six teaching modes that are easily selected based on the requirements of the application. Some of those teaching modes are Auto Teach mode used for on the fly set-up when the equipment is operating. Another is Zone teaching mode which creates a selectable high – low window that can be used for sorting parts or used when detecting objects on a vibrating conveyor. The Glass teaching mode is designed for detection of transparent film, glass, Pet bottles, etc.