Make sure each is set to heavy stun only.
The captain nodded and said: "Phasers will now be set to heavy stun."
She aimed the phaser, set it on heavy stun, and fired at the door.
Put them on heavy stun or you could punch a hole in the hull.
That's when he felt something slam into his face with the force of a phaser set on heavy stun.
The guards, with phasers set on heavy stun, opened the door carefully.
An infantry combat phaser on heavy stun would do the job.
Raising the level to heavy stun, she fired again, just as the bug was going out of sight.
They don't cause lasting physical damage even at heavy stun.
He checked his phaser, which was set on heavy stun.