Thanks:

That worked for me. Pressure is now lower and we will see what happens.

When I first got my CPAP machine the pressure was set to 13 cm water and within a couple days I had a sinus infection which took 2 months and 3 antibiotics to clear up. The jerks that supply the machine will not give the directions as to how to reduce the pressure and seem only to be in the business...

I have a Respironics Remstar BiPap 200M and think the pressure is incorrect, too high. The company that supplied it did not include the setup manual and I cannot figure out how to change the pressure. I have worked with and repaired electronic and mechanical systems for nearly 50 years, so figure th...