The firing is often very brief, a few milliseconds, and — if operated in air — would sound like a pebble thrown against a metal trash can; if on for long, it would make a piercing hiss.
Penembakan sering sangat singkat, beberapa seperseribu detik, dan - jika dioperasikan di udara - akan terdengar seperti kerikil dilemparkan terhadap sampah logam dapat, jika pada lama, itu akan membuat mendesis menusuk.