Its the ResMed S9 Vpap S. Bilevel w/ H5I. I know the ramp is at 15, the humidity is at 3 and the level is 4.

4, and I think its 15. I'm using the nasal mask.

I have a question if you can help about the S9. I just started using this system last week and I'm so confused. Do I just push the button and it starts? And why is the light staying red over the water area? I thought it was suppose to be blue? Nobody I know have a machine like mine so I don't know w...

I just started using my cpap and last night I put everything on and pushed the button and I noticed the red light over the water was staying on. I laid down and tried to relax but found it hard to breathe like not enough air was coming out? Am I doing something wrong?