Wayne, you've been at this for a week, and still have unacceptable AHI. Central events generally respond inversely to pressure, and may also be reduced with less pressure support or exhale pressure relief. In most new users, we expect to see this diminish in time as they get more comfortable and adapt to the machine. I think you need to give it more time, but the DME cannot help you with this issue. This needs to be brought up with the doctor as he is the only one that can alter prescription pressures or even order further evaluation.
Give it another week and use the off-site hosting described in the tnet articles to post some data. We can try to help or suggest some trial and error approaches to see if it has any effect. It's too early to lose hope that things will just settle on their own, but eventually you will need to follow-up with the doctor if it does not. You have to give it some time, as the doctor will be unlikely to intervene until the current approach has been given an adequate trial.
If I understand the DreamStation Pro correctly, it runs an auto trial mode, then sets a fixed pressure.
If so, your AHI may improve when it goes into fixed mode.
OR -- you may have been better served by a true auto machine.
Time will tell...
INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.