The signal flag and ram's horn were to call people to battle. The commands to look and listen are commands to pay attention and prepare for battle. Alternate translation: "pay attention when the signal flag is lifted up on the mountains and the ram's horn is blown"
The signal was a flag used to call people to battle. This can be stated in active form. Alternate translation: "pay attention when you see the battle flag on the mountains" (See: [[rc://en/ta/man/jit/figs-explicit]] and [[rc://en/ta/man/jit/figs-activepassive]])
The trumpets were used to call people to battle. This can be stated in active form. Alternate translation: "pay attention when you hear the sound of the battle trumpets" (See: [[rc://en/ta/man/jit/figs-explicit]] and [[rc://en/ta/man/jit/figs-activepassive]])