Numbers 10:5 KJV
When ye blow an alarm, then the camps that lie on the east parts shall go forward.
Numbers 10:5, King James Version
In context
4 And if they blow but with one trumpet, then the princes, which are heads of the thousands of Israel, shall gather themselves unto thee.
5 When ye blow an alarm, then the camps that lie on the east parts shall go forward.
6 When ye 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.