"Sounds like you don't have a clue about what your pressure settings are? Now that you are here, knock around the forum and learn how to take control of your therapy." Wow, perhaps I misunderstood your tone, but I don't believe I've ever received a snarkier 'welcome' to a forum. I can figure out if ...

Not sure if you're still around, but I just purchased a Transcend 3 MiniCpap and am having the same problem. Definitely a plastic smell. I don't know how long off-gassing lasts, but I've let the machine run on its own for several hours, and it's still just as bad. I'd like to do more than just mask ...