Can I take a contrary view? I'm not defending snatching the card, but it sounds to me as though she was justified in trying to persuade you to exchange cards. Since you said the machine was displaying nonsense summary data, it seems likely that data on the card was nonsense also. It is reasonable th...

This question concerns the ResMed s9 auto set, though it probably applies to any cpap machine. Is it sensible to turn the machine on for a minute or two without wearing it, in order to blow air through to dry the mask from the previous washing? Could this be affecting the AHI reading? Can someone ex...

As still another new user, I hope someone can send me the info on how to get the s9 software. thanks.