When ye blow an alarm, then the camps that lie on the east parts shall go forward.

And when ye blow an alarm, the camps that lie on the east side shall take their journey.

But if the sound of the trumpets be longer, and with interruptions, they that are on the east side, shall first go forward.

And when ye blow an alarm, the camps that lie eastward shall set forward.

And ye have blown, a shout, and the camps which are encamping eastward have journeyed.

When a loud note is sounded, the tents placed on the east side are to go forward.

But if the sound of the trumpets is prolonged, but with interruptions, those who are toward the east side shall move the camp first.

Si vero clanxeritis cum jubilatione, proficiscentur castra eorum qui castrametantur ad Orientem.

Blow an alarm - i. e. along continuous peal. Compare Numbers 10:7, ye shall blow, but not sound an alarm: i. e. blow in short, sharp notes, not in a continuous peal. A third and a fourth alarm were probably blown as signals.

When ye blow an alarm - תרועה teruah, probably meaning short, broken, sharp tones, terminating with long ones, blown with both the trumpets at once. From the similarity in the words some suppose that the Hebrew teruah was similar to the Roman taratantara, or sound of their clarion.

When ye blow an alarm, then the camps that lie on the (b) east parts shall go forward.
(b) That is, the host of Judah and they that are under his ensign.

When ye blow an alarm,.... Making a broken, uneven, and quavering sound, which is called a "tara-tan-tara":
then the camps that lie on the east parts shall go forward; the camps of Judah, Issachar, and Zebulun, which lay to the east of the tabernacle, at the front of it; see Numbers 1:3; this was to be the token for their march, which was first of all; Numbers 10:14.

To give the signal for breaking up the camp, they were to blow תּרוּעה, i.e., a noise or alarm. At the first blast the tribes on the east, i.e., those who were encamped in the front of the tabernacle, were to break up; at the second, those who were encamped on the south; and so on in the order prescribed in ch. 2, though this is not expressly mentioned here. The alarm was to be blown למסּעיהם, with regard to their breaking up or marching.