To control a huge LED screen like this, you use a computer system, a power control system and a lot of wiring.

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The stadium scoreboard is a video board with a LED screen capable of instant replay.

Immediately, a second red dot glowed into view on the LED screen.

Film highlights from the previous day were uploaded the next morning and mixed with the advertising content on a large LED screen.

Every function of the alarm can be monitored on the pager's LED screen from up to 1/2 mile away.

For the next half hour the whole space was lit with the ambient glow of LED screens.

It is a gigantic LED screen that is attached at the bottom of the ceiling.

It is a rectangular LED screen 218 meters wide and 30 meters long.

He takes out a cell phone and looks at its LED screen.