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New member confused by oximeter readings
Thanks all.

I'll give the tape trick a try and report back how I get on.
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That bottom graph gives some insight in how the device works.

The spiked image seems to show the interval of the data polling and it appears to be on an ten eight seven second interval or whatever. That helps to explain why the readings are often skewed when first installing the device. It takes a few polling sessions for the data to be accurate. It also looks like when the device is dislodged or otherwise not getting any new data, the old data is kept. Interesting, what?
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