Trouble Adjusting to ASV, UARS

[4638675696]

A few days ago, I received my AirCurve 10 ASV from Secondwind.
Diagnosis following in-lab study: UARS (AHI: 1.5, RDI: 21.7)

I am experiencing challenges adjusting to the ASV. I find it hard to fully inhale sometimes, like there is resistance, and then sometimes also feels like it continues too long on the inhale, pushing me further than I’d like. Hard to explain, but does that make sense?

I am using the Swift FX nasal pillows and like this mask best so far out of the multiple I’ve tried. My issue is that no matter what I’ve tried on this machine and the AirSense 10 AutoSet, I’ve never been able to fall asleep with any PAP therapy running.

I had a call with a well-known sleep specialist ENT this past week and he thinks I may have Epiglottic Laryngomalacia or Expiratory Palatal Obstruction (in addition to my confirmed deviated septum) and that I should keep trying with the ASV, but may not see real lowering of RDI with PAP therapy alone unless I ultimately get surgery.

These are the current settings:
Mode: ASVAuto
Min EPAP: 5.0
Max EPAP: 15
Min PS: 3.0
Max PS: 20
Mask: Pillows
SW Version: SX567-0302

Any suggestions on changes I should make for better adaptation with my UARS?

How old is this software version? Do I have a way of upgrading and would doing so make a difference/improvement with the ASV algorithm? Machine is model 37043 and first four digits of serial number are: 2214. What is the difference in performance between this (I assume manufactured in 2014) and one made in 2020?