Digital control is a branch of control theory that uses digital computers to act as system controllers.

The captain abruptly became a "system controller."

It allows daisy-chaining up to 14 instruments to a system controller using a 24-pin connector.

He nodded to the system controller again and a new display appeared.

A transmitter on the mobile would report passing the signpost to a system controller.

The lasers were chosen because they cast a relatively narrow beam, so system controllers can focus on a single aircraft.

It looks that way, but they blew a hole in the system controller.

The device has wearable components, which include the system controller and two rechargeable batteries.

The system controller moved his mouse and selected Zulu from his screen of options.

Rick Bernard, the senior system controller, came over and looked at the screen to see the reason for the alert bell.