Numbers 10:6 in the King James Version
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.
Context
5 When you blow an alarm, the camps that lie on the east side shall go forward.
6 When you blow an alarm the second time, the camps that lie on the south side shall go forward. They shall blow an alarm for their journeys.
7 But when the assembly is to be gathered together, you shall blow, but you shall not sound an alarm.