conservative

When I took PADI's OWD course. The instructor told us the basic profile for recreational dives with the safety stop, ascent rate and everything else... I was reading NOAA's Diving manual, which recommends to do a stop at half the max depth of the dive for 2.5 minutes, plus the safety stop at 15...

I have a Cressi Giotto. I also have a Sherwood Vision. I've read that the Giotto is more conservative than the Vision. I've also read that it's best to leave the dive computer's alone and not bother to try to "match" the algorithms, i.e. set them to have similar conservatism or liberalism. I...