Thanks for the two replies!

Yes, I've got it on Auto and even when I set the pressure to the minimum of 4, it will show the pressure as 4, but it is much, much more.

Does anybody know where I can get this software that is compatible with Mac Snow Leopard (preferably) or with Windows 7?

I have a REMstar Auto A-Flex System One.

I have a Remstar System One Auto A-Flex. I can go into clinician's mode, but regardless of where I set the Min and Max pressures and whether I have it on Auto or not, it is delivering a very high pressure that I can't reduce. I should have, and records indicate it used to deliver a pressure of about...