I keep mine in airplane mode and use SleepyHead to read the SD card. (I see it was shut down by the developer, but it should still work for you).
- jared > On Apr 5, 2019, at 7:47 PM, Eric Parsonage <[email protected]> wrote: > > > I personally fell foul of this last night. My CPAP machine switched itself > off. It has an internal cellular modem which it uses to exchange usage data > but since I never have to set the date and time I assume it gets this from my > cellular network. Its hardly a graceful fail when the air supply turns > itself off. > > > > >
