Consider also that when you were using AutoSet you were generally getting a lower pressure when you were awake. Now you have the maximum press right from the start and using EPR at the 3 setting makes it critical of your particular breathing pattern when awake.
If you chose your pressure setting from what you saw as the maximum when using AutoSet, you might want to set it a tad lower for straight CPAP. Perhaps 11 might work and set the EPR to 2. If that works for the chugging you are getting, then you can bump the pressure back up slowly, if need be, and see where the problem begins.
That's the beauty of AutoSet, you dodge a whole bunch of issues about pressure since you rarely are awake when the high pressure is applied.
Zonk and Surfie got this TW. Lower the EPR setting and the jerky stuff should go away. Probably 2 will do it.
how does one change the epr on the machine?
(08-21-2014, 09:08 AM)Clementine Wrote: how does one change the epr on the machine?
You do not have EPR on your VPAP Auto. For your machine, the rough equivalent of EPR is the switch from IPAP to EPAP. The difference in those two pressures is PS. So, your PS setting is roughly equivalent to EPR.
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ah, I see. My PS is set at 4. I really haven't noticed the problem of "jerky" breathing; just other problems.