Downloading Teric and Perdix dives

[BlueTrin]

@rddvet @martincohn
Makes sense, never thought that you could set one for emergencies

Can’t you change the settings in your primary during the dive instead ?

 

[davehicks]

I did it for a while. I had one more conservative and one a little less conservative. One benefit is it helped me to better understand what adjustments in gradient factors did during the dive and deco. Secondly I did it so that I would dive the conservative one and the less conservative one was a "it's ok to end deco now" notice in case I needed to end the dive sooner for some reason. I rarely ever chose to use the less conservative one. The only couple of times was when my wife was so cold she was ready to be done. At that point on a long deco dive, getting her out of the water and not cold probably is more beneficial than the extra deco.

You should read up on the "SurfGF" feature on the Shearwater's. It is useful to answer that "is it ok to surface now" question you mention. Basically it shows what your decompression status (GF) would be if you were on the surface at this instant. On a 0-100 scale with 100 meaning you still need to do more Deco time. If it show something like 30% you have a lot of safety buffer below 100.

 

[rddvet]

@rddvet @martincohn
Makes sense, never thought that you could set one for emergencies

Can’t you change the settings in your primary during the dive instead ?

I guess you could, but I wouldn't personally. One caveat to having an "emergency" secondary gf is that I know what my body does on certain dives. If I dive 30/85 at Ginnie springs (one of my common dives) and I'm swimming and working hard at depth, there's a pretty good chance I'll get some mild skin bends. I've set my computers more conservative than that and have never gotten skin bends with those settings. I won't go into my GFs because that's a bigger discussion and everyone's body is different, so what works for me may not for you.

You should read up on the "SurfGF" feature on the Shearwater's. It is useful to answer that "is it ok to surface now" question you mention. Basically it shows what your decompression status (GF) would be if you were on the surface at this instant. On a 0-100 scale with 100 meaning you still need to do more Deco time. If it show something like 30% you have a lot of safety buffer below 100.

I read about it. I've been diving 2 on separate gf's for years, so it's hard to force myself to change. I actually more recently have been diving both computers set the same.