Numbers 10:7 in the King James Version
But when the congregation is to be gathered together, ye shall blow, but ye shall not sound an alarm.
Context
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.
8 “The sons of Aaron, the priests, shall blow the trumpets. This shall be to you for a statute forever throughout your generations.