If, for example, the trumpet makes an unclear sound, who will get ready for battle?

and the blast of a trumpet and a voice uttering words ¹  such that those who heard begged to hear no more. ² 

I was in the Spirit ¹  on the Lord’s Day ²  when ³  I heard behind me a loud voice like a trumpet,

Then ¹  I saw the seven angels who stand before God, and seven trumpets were given to them.

Now ¹  the seven angels holding ²  the seven trumpets prepared to blow them.

in a moment, in the blinking ¹  of an eye, at the last trumpet. For the trumpet will sound, and the dead will be raised imperishable, and we will be changed.

For the Lord himself will come down from heaven with a shout of command, with the voice of the archangel, ¹  and with the trumpet of God, and the dead in Christ will rise first.

saying to the sixth angel, the one holding ¹  the trumpet, “Set free ²  the four angels who are bound at the great river Euphrates!”

And he will send his angels with a loud trumpet blast, and they will gather his elect from the four winds, from one end of heaven ¹  to the other.

Then ¹  I looked, and I heard an ²  eagle ³  flying directly overhead, ⁴  proclaiming with a loud voice, “Woe! Woe! Woe to those who live on the earth because of the remaining sounds of the trumpets of the three angels who are about to blow them!” ⁵ 

After these things I looked, and there was ¹  a door standing open in heaven! ²  And the first voice I had heard speaking to me ³  like a trumpet ⁴  said: “Come up here so that ⁵  I can show you what must happen after these things.”