The Space is great. Its endless abyss presses on consciousness not worse than the most terrible tortures. Especially if you are locked up with a bunch of people - scientists, technicians, maintenance personnel - in a small iron bank suspended in the orbit of one of the planets. Who knows what threats await the research station? Cooperate, fulfill tasks, follow your professional duty, human qualities and alarm codes transmitted through internal speakers. And try to keep this trough alive!
Intercom headset. The frequency system of different departments will of course be present.