First, the specific duties of the first referee:
1, the first referee presides over the draw, and chooses the right to serve and the ball area first.
2. After the first referee blows the whistle, he will stand at the end line of his own field, and then stand at the original position when he blows the whistle (the position table filled in before the game).
3. The first referee made a penalty for serving, hitting the ball after serving, rotating incorrectly, hitting the ball and hitting the ball on the net at the same time. The first referee will punish the foul of hitting the ball over the net. The first referee should grasp the vertical plane of the net to judge whether the hitting point crosses the net.
In the following cases, the first referee shall whistle and serve again:
(1) The first referee didn't blow the whistle, but the server has served.
(2) Under special circumstances (such as injury of athletes, ball rolling into the court, etc.). ).
(3) After the first referee blows his whistle to allow serving, the second referee blows his whistle to interrupt the game, allowing the first team to pause or change players, and the first referee is not allowed to interrupt the game.
Second, the specific responsibilities of the second referee:
1. At the beginning of each game, change the venue in the deciding game, and check whether the actual position of the players on the field is consistent with the position table at any time if necessary.
2. During the game, the second referee should whistle and gesture for the foul behind him in time.
(1) The location of the receiving and dispatching team is incorrect.
(2) When the player hits the ball, he touches the mark on the net and the second referee's side.
(3) The player crosses the line with one foot or one hand under the net and enters the opponent's court, completely crossing the center line and touching the opponent's court; Other parts of the player's body touch the opponent's court; Players cross the net and enter the opponent's space, which affects the opponent's game.
(4) The players in the back row attack the ball and block the ball.
(5) The ball crosses the net from outside the net crossing area or touches the marker post on the second referee's side.
(6) When the ball touches an off-court object or the ball touches the ground and the first referee is in an unobservable situation.
3. At the end of a game, ask the coaches of both sides for the position table of the next game, hand it over to the recorder for registration and carry it with you to check the position on the field at the beginning of each game.
Extended data
1, the first referee can see whether the server has a position error foul, and the second referee can see whether the receiver has a position error foul.
2. Both the first referee and the second referee can whistle for the offensive hitting foul of the players in the back row.
3. Only the first referee can punish the postponed match, and the second referee can instruct the first referee to punish him.
4. The first referee is responsible for judging the combination foul. The second referee may indicate a combo foul to the first referee with his back to the first referee, but he shall not insist.
5. The first referee will punish the foul with the ball, and other referees are not allowed to punish the foul with the ball or make gestures.
6. The first referee will punish four foul balls, and the second referee can make gestures.
Baidu encyclopedia-volleyball
Baidu encyclopedia-the second referee of volleyball