I'm bad, really bad! In fact, I must also be E V I L. :drejnd:
I carry not one, but TWO computers, and a depth gauge, and simple timer. Of course one computer is in bottom timer mode, whereas the primary is used for the dive, switching gasses as needed during the descent and later ascent and deco stops (Nitek He). I also carry printed laminated bail out tables that in the event my primary computer fails, I can safely return with the second computer that is running in bottom timer mode. IF that computer also fails, my depth gauge and timer should still work for a safe asscent with the bail out tables.
I stand a better chance of being struck by lightning on a clear day, than both my computers failing. But it adds next to nothing to carry the depth gauge and timer, so I do. Being able to switch gasses on the fly during the dive, maximizes not only my bottom time, but the added accuracy increases my safety margin. This is why I dive with a computer.
The only dives I would consider doing without a computer, is an NDL dive. A timer, depth gauge and quick glance at the tables prior to the dive would be all that is needed in that case.
I carry not one, but TWO computers, and a depth gauge, and simple timer. Of course one computer is in bottom timer mode, whereas the primary is used for the dive, switching gasses as needed during the descent and later ascent and deco stops (Nitek He). I also carry printed laminated bail out tables that in the event my primary computer fails, I can safely return with the second computer that is running in bottom timer mode. IF that computer also fails, my depth gauge and timer should still work for a safe asscent with the bail out tables.
I stand a better chance of being struck by lightning on a clear day, than both my computers failing. But it adds next to nothing to carry the depth gauge and timer, so I do. Being able to switch gasses on the fly during the dive, maximizes not only my bottom time, but the added accuracy increases my safety margin. This is why I dive with a computer.
The only dives I would consider doing without a computer, is an NDL dive. A timer, depth gauge and quick glance at the tables prior to the dive would be all that is needed in that case.