Thank you to everyone who responded!! I have been working long hours and haven't had time to check back - I will definitely try all of your suggestions this weekend when I have a bit more time to dink around with the thing. Sometimes I think I just don't have the time or the money to stay healthy I ...

Thank you for your reply! There are no red letters on the machine - and the model and model number are listed on the underneath side. There are 3 buttons on the top: one that appears to be a higher level airflo and has a picture of maybe waves and some sort of "s" squiggles on top of the wave peaks(...

Please help! I have a used older machine - REMSTAR 1018547. Belonged to a friend - My sleep study said that I should set the machine at 6 or 7 - but it is currently set at 14. I can't figure out how to calibrate the machine - and I can't seem to get help from professionals - because they want me to ...