Question about vAuto modes

[David Clark]

Under what circumstances would you want to change from the vAuto setting to the S setting or the CPAP setting?

[Sleeprider]

If you don't want the EasyBreathe flow transition, you can choose s-mode and turn that off. S-mode provides fixed bilevel pressure which some people prefer for less disruption or to prevent higher pressure from the Vauto algorithm, but you can set the Vauto to a fixed pressure if you know what you're doing. In S-mode the flow limits are not reported.

[Crimson Nape]

As much as I would like to use the VAuto, I find pressure change will cause sleep disruption for me.  I wake up tired, and my charts are very erratic.  After switching to the S mode, I've since found my sweet spot and have had 25 days with an AHI of 0.0 in the past 2 months and feel great.

I should say that since I wanted to monitor my Flow Limits, I switched back to VAuto but set it up as a pseudo S mode. 13/18 PS:5

[SevereApnea]

Crimson Nape, amazing results.

I would like to know if the Vauto "feels" any different to you between S-Mode and pseudo S-Mode? Can you feel the difference?

(I have tried S-mode before but only with F30i I thought the breathing felt easier. I want to try this again with P30i for a while, but like you I do like to follow my Flow Limitations.)

[Crimson Nape]

So long as I don't turn off "Easy Breathe" while in the S-Mode, there isn't any perceivable difference.  Boy!, I'll never turn Easy Breathe off again.  Talk about going from 0 to 60 in one second between exhaling to inhaling.    

I'm keenly aware of changes in my environment even when I sleep.  Any change in sound, light, and as it so happens, changing air pressure, cause me to have sleep disturbances.  When I use the VAuto mode I am aware of waking up many times during the night.  The pressure changes and the increased air flow sound is what I remember.   As a result of this disturbance, I will feel like 9 miles of bad road the next day.   It was by accident that I tried the S-Mode, and I'm glad I did.