Display Electronic Unit
The DEUs are computers and distribute information from various aircraft sensors and systems. The data is converted to digital signals and sent to the displays.
During normal operation DEU 1 supplies information to:
While DEU 2 provides information to:
Should either DEU fail, the other DEU will automatically control the other side. It allows all displays to use a single DEU source. *Note that while operating on a single DEU, each pilot still receives information from independent sources and both ADIRUs..