This forum is great - you quickly realize you are not alone. Started CPAP 4 weeks ago - have bought 3 new masks in 3 weeks already. All are a nightmare to use and now looking for a 4th. But maybe not now having read your experience Perhaps we can start 'Masks Anonymous' whereby we can admit openly t...

Can you tell me what the leak graph should look like if the masks is 'perfect' no leaks Also what does Leaks Max (l/s) and leaks (l/s) Mean ? what is 'l' and 's' My Leaks Max seems to stay flat at about 1.2 . And now heres a mystery in perception. Having been getting disastrous results with my new U...

Thank you for your speedy reply. the max pressure for the Apnea Command' 420E must be set within the range so if the range is 11 - 17 it will need to be set at 11 Is it possible that 420E thinks I am having a central apnea and I am not and therefore ia not responding to Apneas which can account for ...

I recently purchased a 420E. But I am confused by the "the max pressure for the Apnea Command' I understand that this is there to prevent Central Apneas But does this mean if you set the pressure range say 8 - 16 it will not go above 10 to respond to Apneas ? My API is greater then 50 with this sett...