Trumpets were used in Israel to assemble the camp and to disperse it, as well as to spur the army to do battle.
فَقَدْ عَرَفَ مَاذَا يَقُولُ بِٱلضَّبْطِ لِأَنَّ يَهْوَهَ عَلَّمَهُ كَيْفَ ‹ يُجِيبُ ٱلْمُتْعَبَ بِٱلْكَلِمَةِ › ٱلْمُنَاسِبَةِ .‏