Deco issues
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Hi
I did several dive (air or ean32) with deco. I noticed that when switching from no deco 1mn to deco, the first value is always directly deco 3mn (not 0, 1 ou 2).
Today, I had 24mn deco for a 39m dive while other computers (scubapro g2, mares genius, shearwater peregrine) had between 4 to 5mn deco! Same GF, stepped deco, same dive…
So disturbing! -
@Ldive Thats really strange. Does the Dive planner (inbuild or DM5) give you the same values?
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@VoiGAS no. Only 5mn deco + 3 safety
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@Ldive Isn’t that the change to mandatory 3 minutes when entering Deco? Each minute just adds up to it or am I wrong?
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@hhouter exactly the same problem this morning. I was looking at the screen just as NDL changed to deco: It went from NDL1 to DECO3 directly, then the deco kept increasing even during the upward movement. Result, 10 more minutes of deco while my buddies had DECO4!!!
Given the inconsistent value, I intentionally made an algorithm violation by getting out of the water earlier.
The second dive (at 15m) was two hours later, so it shouldn’t have had too much impact.
I still erased the tissues and the deco of the second dive was consistent with the other computers.
I feel like the algo keeps going on a loop…
The purple lowest shows the theorical zhl-16c computation for mandatory deco… I know Nautic has its own deco algo but the difference is too much !! -
@Ldive My experience with the Nautic deco dives indeed count down the NDL to the 5 Min warning and when arriving at 0 the Nautic switches silently to a decompression dive. Starting with 3 minutes and adding Deco minutes as 3 mins become mandatory in a decompression dive. I dive with both the Nautic and EON Core and they are about the same in behaviour and Deco calculation for single dives. Using a totally different algorithem (RGBM Fused2) P0 vs Buhlmann 95/45. And using the continuous decompression model, the way up is almost never adding time to the deco.
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@hhouter You can use 95/45 on the Nautic? Or do you mean 45/95? Would be great if GF Low could be higher then GF High - but most computers don’t allow it…
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@VoiGAS Correct, I use 45/95. Just tried custom and a lot is possible, but for me (Low) 45/95 fits best.
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