Thanks WW, but that site did not list my machine. Guess I will have to wait to hear from the DME, and hopefully they can help me with instructions over the phone , and save me a trip there.

After completing a month long autp-pap titration, the Dr says i should change my setting to a 10. I am currently using 7, on a Res-Med c-series Tango, with Swift Mirage II nasal pillow. Does anyone know how to change the setting, so I can avoid schlepping the long drive to the medical supply store? ...