yes pugsy its a cpap like i said,thanks for the reply,so why do the put a sd card slot on it...thx for your help

i purchased a 2nd hand resmed 10 cpap (not an auto set) i didnt know there was a cpap and a apap model ,and i have a apap model already for myself, well anyways this is my issue.i set this all up for my wife,put the sd card in and she sleeps with it on,And the next day there is only the time worn,an...