Move the hand to indicate the direction of service.
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Authorization to Serve
Team to Serve
Extend the arm to the side of the team that will serve.
Change of Courts
Raise the forearms front and back, and twist them around the body.
Timeout
Place the palm of one hand over the fingers of the other, held vertically (forming a “T”), and then indicate the requesting team.
Substitution
Circular motion of the forearms around each other
Misconduct Warning
Show a yellow card for a warning
Misconduct Penalty
Show a red card for a penalty.
Expulsion
Show both cards jointly for explosion.
Disqualification
Show red and yellow cards separately for disqualification.
End of Set or Match
Cross the forearms in front of the chest, hands open.
Ball Not Tossed or Released at Service Hit
Lift the extended arm, the palm of the hand facing upward.
Delay in Service
Raise eight fingers, spread open.
Blocking Fault or Screening
Raise both arms vertically, palms forward.
Positional or Rotation Fault
Make a circular motion with the forefinger.
Ball "In"
Point the arm and fingers toward the floor.
Ball "Out"
Raise the forearms vertically, hands open, palms toward the body.
Catch
Slowly lift the forearm, palm of the hand facing upward.
Double Contact
Raise two fingers, spread open.
Four Hits
Raise four fingers, spread open.
Net Touched By Player
Indicate the respective side of the net.
Indicate the player at fault.
Mimic the R1 awarding the point.
Served Ball Fails to Pass To the Opponent Through Crossing Space
Indicate the respective side of the net.
Reaching Beyond the Net
Place a hand above the net, palm facing downward.
Attack Hit Fault
Make a downward motion with the forearm, hand open.
Penetration into the Opponent Court Ball Crossing the Lower Space or the Server Touches the Court (End Line) or the Player Steps Outside His/Her Court at the Moment of the Service Hit
Point to the center line or to the respective line.
Double Fault and Replay
Raise both thumbs vertically.
Ball Touched
Brush with the palm of one hand the fingers of the other; held vertically; USAV: Brush fingers of opposite hand once over palm of vertical hand.
Delay Warning
Cover the wrist with a yellow card (warning)
Delay Penalty
Cover the wrist with with a red card (penalty).
Ball In
Lines: Point down with flag.
Ball Out
Lines: Raise flag vertically.
Ball Touched
Lines: Raise flag and touch the top with the palm of the free hand.
Crossing Space Faults, Ball Touched an Outside Object or Foot Fault by any Player During Service
Lines: Wave flag over the head and point to the antenna or the respective line.
Judgment Impossible
Raise and cross both arms and hands in front of the chest.