There's going to be two video boards on the center court...

There's going to be two video boards on the center court that will be visible by the players, the chair umpire and all the spectators. Once a challenge is made, then the review official that's with the technicians, once he determines that the correct impact has been identified, gives the order to release the video to the boards. Then everybody will see the result at the same time. The entire process will take less than 10 seconds.