he points his hand at the try line and blows the whistle
Unlike Rugby Soccer (football) has only a few hand signals. For a visual reference see related link
Hand signals are used by referee's to relay the information of what foul took place to the stat officials sitting at the scorer's table. Using hand signals, the referee's do not need to walk over to the table and tell exactly what foul occurred, instead they use hand signals to describe the foul and which player committed the foul.
The referee in Volleyball has the final say on out/in. They have 25 hand signals at the ready to make the most accurate decision when in a Volleyball game. There is the 1st Referee, 2nd Referee and the Linesmen which contribute to the decision whether it's in or out.
As a referee myself i have spent many hours going over the hand signals and signs but the best place to start is by looking in the rule book. The rule book is on the FIBA internet site.
Holding up one, two or three fingers are hand signals for various things (e.g. three seconds in the key) used by the referee. Because of this, players are barred from using those numbers to avoid confusion when the referee signals a player's number.
Turn signals are definitely preferred. Most drivers don't look for hand signals, but, they do look for turn signals. Some people don't even know how to make correct hand signals while driving.
Use hand signals.
Yes, it is legal to use hand signals when driving. In fact if your turn signal goes out you should use hand signals.
The hand closest to the referee. Depending where you are and which way you are facing. This allows the referee to better hear and see the flag when you raise it. Good luck.
No, but you will need to use hand signals.
You can go to the website Gobookie and print out a copy of the church ushers hand signs and signals.