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We just got an discussion about floating deco ceilings which might also be know as flying the curve to some of you. This is (at least) used by many AP CCR users and some seems to miss this on the Shearwater electronics with fixed 3m steps for deco ceilings on their new CCR units.
I know that there is not much proof in this concept but assured the others that there is an CF for defining the ceiling steps for the OSTC which could be used to simulate such a deco. After checking my unit I could not find this option anymore and it might be, that I've just been wrong. I'm pretty sure we had discussion about this in here, didn't we?

Would be nice if someone could clarify this. If there is no option for this I'd be interested in starting a poll if this would be interesting for others as well. What do you think? I'd for sure do some tests with this y my own. I'll start with my deco planner to play around in the meantime.

Thx,
Jan

hey,

looking at the code one can see such option (not sure if it is exposed via CF though).

a queston: what about using GF indicator instead? or is that not good alternative?

I can assure you there is nothing in the code to have this type of deco strategy. And there never was.

BUT

You can dive it: just set CF08 (GF Display %) to 1%, and you will have a continuous display allowing you to ascent continuously as you suggest.

What you loose is:

1/ Security: because you dive with an untested decompression strategy...
But it is not the place to start that hairy troll

2/ The TTS calculation: you will have notably lower TTS, and the OSTC have
no algorithms (yet) to compute it.

Regards,

hi Jean,

of course it was my rough guess. sorry.

what is the role of char_I_deco_distance variable?

regards,

w

This is CF16, the security margin added to the stop depth when computing TTS.

Ie. If the next stop is at 6m, then when predicting TTS the OSTC is simulating offgasing at 6+1=7m, and waits there until you will have the right to ascent to the next stop.

Regards,

thanks for the info

w