Numbers 10:4-6 English Revised Version (ERV)

4. And if they blow but with one, then the princes, the heads of the thousands of Israel, shall gather themselves unto thee.

5. And when ye blow an alarm, the camps that lie on the east side shall take their journey.

6. And when ye blow an alarm the second time, the camps that lie on the south side shall take their journey: they shall blow an alarm for their journeys.

Numbers 10