3 When both trumpets are blown, the whole community must gather in front of you. They must come to the entrance to the Tent of Meeting.
4 Suppose only one trumpet is blown. Then the leaders must gather in front of you. They are the heads of the tribes of Israel.
5 When a trumpet blast is blown, the tribes that are camped on the east side must start out.
6 When the second blast is blown, the camps on the south side must start out. The blast will tell them when to start.
7 Blow the trumpets to gather the people together. But do not use the same kind of blast.
8 "The sons of Aaron, the priests, must blow the trumpets. That is a law for you and your children after you for all time to come.
9 Suppose you go into battle in your own land. And suppose it is against an enemy who is beating you down. Then blow a blast on the trumpets. If you do, I will remember you. I will save you from your enemies. I am the Lord your God.