Thematic Bible: Uses of, prescribed by moses

And the LORD spoke unto Moses, saying, Make you two trumpets of silver; of a whole piece shall you make them: that you may use them for the calling of the assembly, and for the journeying of the camps. And when they shall blow with them, all the assembly shall assemble themselves to you at the door of the tabernacle of meeting. read more.
And if they blow but with one trumpet, then the leaders, who are heads of the thousands of Israel, shall gather themselves unto you. When you blow an alarm, then the camps that lie on the east side shall go forward. When you blow an alarm the second time, then the camps that lie on the south side shall take their journey: they shall blow an alarm for their journeys. But when the congregation is to be gathered together, you shall blow, but you shall not sound an alarm. And the sons of Aaron, the priests, shall blow with the trumpets; and they shall be to you for an ordinance forever throughout your generations. And if you go to war in your land against the enemy that oppresses you, then you shall blow an alarm with the trumpets; and you shall be remembered before the LORD your God, and you shall be saved from your enemies. Also in the day of your gladness, and in your solemn days, and in the beginnings of your months, you shall blow with the trumpets over your burnt offerings, and over the sacrifices of your peace offerings; that they may be to you for a memorial before your God: I am the LORD your God.