RemStar System One pressure change

We have a new CPAP, and it is a RemStar Auto A-Flex System One. Can somebody tell me how to change to its pressure settings? It is currently set for 5-10 cm H2O, and the upper limit it far too high. I have an older RemStar Pro2, and somebody on this list gave me instructions for changing its pressure. Being able to change the pressure myself and then looking at the data with EncorePro has been a godsend.

Instructions for how to get to the clinical menu with pictures can be seen here...http://www.apneaboard.com/PR-System-One ... -Setup.htm

Check your private message box in a few minutes and I will send you information on downloading the provider/clinical manual for your machine.

You might also like to try SleepyHead software. Information about it is in my signature. It works extremely well with the PR S1 machines and offers more options than Pro will give you with less hassle.

Leland wrote:We have a new CPAP, and it is a RemStar Auto A-Flex System One. Can somebody tell me how to change to its pressure settings? It is currently set for 5-10 cm H2O, and the upper limit it far too high. I have an older RemStar Pro2, and somebody on this list gave me instructions for changing its pressure. Being able to change the pressure myself and then looking at the data with EncorePro has been a godsend.

The upper limit doesn't matter...The CPAP will never go that high unless you need that pressure to stop an apnea. Actually, 10 is considered low for an upper limit. When I use my AUTO, I use 10 as my lower and 18 as my upper limit. My average pressure is 12.

We want to reduce the upper pressure limit because my wife is losing too much sleep with her CPAP intolerance. Her machine is also showing a high CA value, which may be due to high pressure and an incorrect setting for the mask type.

On my machine, I run at a steady 5.5 cm H20 and have an AHI average of less than 3 events per hour. When I ran at 7 cm with nasal pillows, I kept waking up with too much air leaking back out of my mouth. That was uncomfortable and it dried out my mouth and throat, even with a humidifier on high setting. At the 7 setting, my AHI values were even lower, but good enough is good enough.
Leland

I think you need to go back to your DME and discuss this. By reducing the pressure you may not be getting any therepy from the CPAP. A pressure of 5.5 is virtually no therepy.

LSAT,

Please read Leland's full post: At 5.5 cm Leland's machine is consistently reporting an AHI < 3 and he feels fine. That's effective therapy.

Not everyone needs much pressure to splint the airway open. And for those of us who don't need much pressure to get an AHI <= 3, increasing pressure to reduce the AHI from 3 to 1 is just not worth it in terms of comfort issues.

LSAT wrote: The upper limit doesn't matter...The CPAP will never go that high unless you need that pressure to stop an apnea. Actually, 10 is considered low for an upper limit. When I use my AUTO, I use 10 as my lower and 18 as my upper limit. My average pressure is 12.

Actually, the APAPs will increase pressure for many reasons other than apneas. If the machine is set with a max pressure setting > 10cm, it can easily increase the pressure up past 10 cm just because of persistent snoring or flow limitations even when there are no apneas present. And for the PR System One machines, there's that hunt-and-peck algorithm that will increase the pressure even when there is no snoring going on and any limitations in flow are too minor to be flagged as "flow limitations." And that algorithm is also capable of increasing the pressure up above 10cm even if there are no apneas occuring.

My BiPAP is running in a very tight range, but I have occasionally set the max IPAP up to 10 or 12cm for a bit of self titration. On the nights where the my pressures went above my usual max of 8/6, the primary reason was flow limitations (for IPAP) and snoring (for IPAP). On a typical night, my EPAP is never adjusted up for apneas: My OAs tend to occur as isolated incidents, and hence do not warrant a pressure increase. Rather, my EPAP goes up in response to snoring. Bad snoring nights, I'll have my 90% EPAP be at its maximum of 6cm. Ordinary nights? My 90% EPAP is usually around 5. A good night for snoring? My 90% EPAP = 4cm.

Hello,
Where can I get the clinicians manual? If someone could PM me I would apreciate it. Thanks in advance!

dnaonejax wrote:Where can I get the clinicians manual? If someone could PM me I would apreciate it. Thanks in advance!

Check your private message box please.