Sorry, I only just noticed Davide's thread which already covers this issue.
Martin On Sat, 2 Jun 2018, 18:49 Long, Martin, <[email protected]> wrote: > Hi, > > I've noticed that the data downloaded from my Shearwater Petrel (JJ > Divecan) has changed recently. Older dives have the actual recorded ppO2, > whereas the newer dives have only the setpoint. Worse still, looking at the > data files it looks like the actual ppO2 data is not recorded - the data is > lost. > > I now have a whole bunch of dives which I've downloaded, edited data such > as the dive site, equipment, notes, buddies, etc, and they are missing data > from the computer. This is pretty useful data too, as I want to use it to > diagnose a problem I was having with a unit on a recent dive. > > Even if this gets put back to how it *should* work, in order to recover > the data I'll have to delete all of my recent dives from subsurface, > redownload them from my Petrel, and then go and manually re-key the edits I > made. > > Why was this change made? It makes no sense and data loss is a really bad > thing. > > Martin >
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