Thanks for all of the info. The machine is a 560P, so hopefully I have the right one selected now. I don't have the heated tube on it, but it does say that the humidifier is heated. I have those thin books that came with the machine. I need to make to make some time to download that software. I grea...

I have been using my CPAP since the end of November, 2014. I had suspected for years that I had sleep apnea. I finally got a doctor to listen. My first sleep study showed that I had apnea (ahi was 70) but since I did not get into REM sleep soon enough they did not put a mask on me. So, more money an...