True, I was aware of those drawbacks, but I'll keep it on order for use with my computer.

In the short term I'll see if I can use it to confirm this is what has been happening and if the only solution is to layout the money for another machine I'll do that.

I've just found this site and downloaded the excellent Oscar free software as I've been experiencing low oxygen episodes, (I use a Viatom sp02 monitor every night to monitor HR and sp02) but my AHI and mask fit seemed OK. Looking at the low oxygen episodes with Oscar shows breaks in the data from th...