I wrote:
> One computer sets itself to a mix that totals more than 100 ??? Why ?
>
> - And why is 50% oxygen more conservative ?
which still stands
and then :
>
> > Had I left the computer set for air when diving nitrox, the importance
of
> > understanding what's going on becomes even more important.
>
> You mean the other way around, right ?
Which I retract and apologize for MYSELF getting it the wrong way around :-)
Bjorn