ppO2 data has changed

[Martin Long]

Sorry, I only just noticed Davide's thread which already covers this issue.

Martin

On Sat, 2 Jun 2018, 18:49 Long, Martin, <martin at longhome.co.uk> 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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