(06-22-2012, 01:16 PM)johns019 Wrote: The machine displayed a message when I plugged it back in. I forget exactly whati it read, but something like "do not remove SD card".
I think it does that every time you unplug the machine and plug it back in, even if you don't remove the card.
Try it and see.
Useful links.
Click here for information on the main alternative to CPAP.
If it's midnight and a DME tells you it's dark outside, go and check it yourself.