Numbers 10:7

Israeli Authorized Version

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

Cross References

Joel 2:1

Blow ye the shofar in TZiyon, and sound an alarm in my holy mountain: let all the inhabitants of the land tremble: for the day of YY cometh, for it is nigh at hand;

Numbers 10:8

And the sons of Aharon, the kohanim, shall blow with the shofars; and they shall be to you for an ordinance for ever throughout your generations.