I have discovered the problem. I went to a website (which was written on the back of unit)and found a different Sp02 download. This one worked fine.
Thanks to those that replied.

Can anyone PLEASE tell me what to do??????

I have had my ResMed for 8 years and use it every night. I have never had a problem with infection, irritation, etc. I have DreamWear nasal pillows. When I got the machine I was told by the technician to clean the parts every week and do a more thorough cleaning once a month. For the weekly cleaning...

I used a CMS 50F oximeter for a long time and had no problems downloading the data. Eventually the battery died on this unit. That was several years ago. Recently I purchased another. No matter what I try, I cannot download the data. I have tried using the USB cord and also the wireless system. My S...