O2 sensor values on CCR dives

[Davide DB]

Looking to one of my CCR dives (Petrel 2 controller) I realized that
Po2 values reported by Subsurface at the 6 meter stop are way higher
than those recorded and displayed by Shearwater Desktop.
I'm 100 sure that Shearwater Desktop shows correct values because I
perfectly remember O2 values I was seeing at 6 meter: I was never
never never over 1.6 for all the time.
According to Subsurface profile I was all the time at 6m over 1.6 with
spikes at 1.75.
Am I missing something?

I chose a point in time (122' 50")and I attach three screenshots:

Shearwater (which display only the AVG pO2)
Subsurface with single pO2 sensor display
Subsurface with AVG pO2 sensor display

Thank you in advance


-- 
Davide
https://vimeo.com/bocio/videos
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Shearwater-O2-avg-value at 122.50.png
Type: image/png
Size: 139465 bytes
Desc: not available
URL: <http://lists.subsurface-divelog.org/pipermail/subsurface/attachments/20171117/0b2167ba/attachment-0003.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Subsurface-O2-value at 122.50.png
Type: image/png
Size: 235262 bytes
Desc: not available
URL: <http://lists.subsurface-divelog.org/pipermail/subsurface/attachments/20171117/0b2167ba/attachment-0004.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Subsurface-avg-O2-value at 122.50.png
Type: image/png
Size: 203801 bytes
Desc: not available
URL: <http://lists.subsurface-divelog.org/pipermail/subsurface/attachments/20171117/0b2167ba/attachment-0005.png>