DSM - thanks, but it's the Sleep Style 200 which just has an LCD display - no manometer required - the first of the links gievn by RG above tells you how to get it into setup mode.

RG - many thanks - the first of those links you gave told me exactly what I needed to know. I'll give it a try tomorrow.

I've just started using a CPAP machine and so far it's a bit of a struggle. I think I probably need to increase the pressure a little and am wondering if I can do this myself rather than having to wait weeks for an appointment to see the doctor ? Presumably there is some kind of setup menu that you ...