INFORMATION AND SUBSCRIPTION
Point with with a clear and meaningful look with one hand into the direction of your line. Don't be swayed by the players or the spectators!
Call "Out" with outstretched arms.
By putting your hands in front of your eyes, you signal to the umpire that you have not seen the shuttle landing on the court.
If you are responsible of cleaning the court during the match, you are only allowed to run on court after the umpire has given you the appropriate sign.