I would like to run my machine without affecting the data on the SD card. I think that would be useful for trying on a new mask to get it fitted, or as other people have suggested, just for cleaning or getting used to the pressure before bedtime.
The way the S9 works is that it always logs to the internal memory, then updates the SD card when it's inserted. So it's not enough to just remove the SD card and run the machine.
Is there a way to take the machine 'off the record'?
My sleep doctor will be looking at my data as part of a 3-month follow-up and I don't want to have any 'junk' on there but my actual sleep data.
Any use of the machine is recorded and cannot be removed. The only way to do this is to erase the user data. It will erase all data but not the total hours used.
I'm fairly certain that the Mask Fit option does not log on the machine other than hours used.
Times of use (ie the machine is on) are called "sessions". Using SleepyHead, you can turn off certain sessions to remove that time and any data collected from that day's use. I don't think this is possible with ResScan.
You can also make a note of when you did this and turn in that "log" when you submit the data.
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Junk data won't bother your doctor and every minute running counts for compliance; but, if you don't really care about that and just want to keep things tidy, then you can do this:
Remove SD card then play around with it and do whatever tickles your fancy, then go into the clinical menu (hold knob and double check mark button down for 3 seconds) and choose "Erase Data". Put the SD card back in when you want it to record. The only thing you can't erase or keep from getting on the card is the machine hours - kinda' like a car odometer.
Also, for mask fitting you can hold the knob button down for a few seconds while at the home screen. "Mask Fit" will start. You'll see a red frowney face if there are leaks or mask is off and green smiley when mask is sealed. It will automatically start treatment mode after a couple minutes, but no data is recorded during "Mask Fit" - so you can us it to play around a little without having to worry about junk data or erasing anything to clean it up. I always start with mask fit so I can mess around with the mask getting it adjusted but not have spikes in my leak data throwing off the averages.
As a side note, you can do a 20 minute warm up on the humidifier by holding the knob button down from the water drop or water drop/thermometer screen.