Numbers 10:6

Hebrew Names version (HNV)

When you 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.

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The standard of the camp of Re'uven set forward according to their armies: and over his army was Elitzur the son of Shede'ur.

But when the assembly is to be gathered together, you shall blow, but you shall not sound an alarm.