Num.10.7

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

Num.10.7

The bugle call that gathers the assembly is different from the signal to march.

Num.10.7

To gather the assembly, blow the trumpets, but not with the same signal.

Num.10.7

And when the assembly is to be gathered together, you shall blow, but not sound the advance.