Hi Rice95,
Glad to see you had a better night! You've managed to overcome the positional apnea which is good.
There are some slight tweakings that can be make, like higher pressure to overcome the Obstructives and Reras, but not at the expense of aggravating the Aerophagia.
We sort of have our hands tied when comparing a Respironics machine with a ResMed. With ResMed, there is EPR to help overcome FL, Reras and Hypopneas, but with your machine, we have Flex to work with, which doesn't work all that well.
So our options are to raise pressure. I personally would rather use the lower pressure setting than to suffer with the pain of Aerophagia.
Speaking of Flex, I don't remember what setting you were using. I might be wrong, but in some folk when using Flex at 3, I also see Variable Breathing. I would try a setting of 1, see how that feels for a couple days.
Possibly down the road you could turn Flex off along with the Ramp.