Log import of Trimix dive from Shearwater Teric

Martin de Weger martin at reef-it.nl
Fri Oct 8 11:55:25 PDT 2021


Hi Atilla,

I’ve got the Bluetooth working for my Perdix on my Mac with M1. If you want to, I can meet you at the shop to see if we can get it working.

Met vriendelijke groet,

Martin de Weger 

> Op 8 okt. 2021 om 14:51 heeft Attilla de Groot via subsurface <subsurface at subsurface-divelog.org> het volgende geschreven:
> 
> Hi,
> 
> I have been doing my full tri-mix course this week and using Subsurface for planning (not the only tool of course) and of course for logging my dives. I’ve ran into a few “issues" unfortunately and I thought I’d mention what I’ve been running into in the hopes that it is useful. I’m using 5.0.3 on my Mac (M1 running Big Sur) and importing on my Android (never got bluetooth to my Teric to work on MacOS).
> 
> I’ll split up the issues between logging and planning:
> 
> 
> Logging:
> - Subsurface doesn’t understand the concept of a travel gas that well (it switches with the back gas). When I import my dive and fill in the details for the stages (using transmitter for back gas), the graph is simply incorrect with regards to which tanks I’m using and the content of them. See screenshot and attached log.
> - Sometimes (not always) an incorrect GF/SurfGF is displayed with the mouse over. It’s hard to replicate and didn’t take a screenshot, but with the values displayed at surface time, I would have not been able to write this e-mail. :-P
> 
> Planning:
> - When planning multiple dives, it is common to make variations (e.g 3min longer, 3min deeper) to determine gas usage. When planning them and moving around with dates, I sometimes get: " Subsurface (5.0.2.0) dive plan (overlapping dives detected)” instead of the Runtable. While that might be true, not really useful in planning mode. Adding these types of variations would be a nice feature to have in a single dive-plan btw.
> - When planning a dive where you have a travel gas, you have to put that to “not-used” otherwise it will get automatically selected as deco gas (e.g when going down with EAN32). This is not desired from an ICD perspective.
> - There is a “Best MIX END” field, but it is unclear to me what it’s purpose is. What I do would like to know is what the END/EAD is for a tri-mix gas that I enter. If something like that could be added to the columns when a Tri-mix gas is used, that would be use-ful.
> - In planning I would like to know what my PPo2 is at a given depth of the dive. Is this possible?
> - When using a travel gas, the first stop would probably be around 30-40 meters. Then the “drop to first depth” isn’t honored anymore for the next depth. Perhaps this thould be taken into account.
> 
> In general though, the planning mode is quite good. We compared my result with the tools the instructor used and were almost identical (mostly rounding differences I guess). I hope that a planner can be implemented on the mobile version as well sometime, because it seems that there isn’t a nice one available for Android.
> 
> The first issue with the travel gas is annoying though (my ocd doesn’t like incorrect graphs :P).
> 
> 
> — Attilla
> 
> 
> 
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