Terry McCraken writes: >What methods do people currently use to ensure that [selecting the wrong >>regulator] does not happen and are there any improvements that can be >>suggested. Mouth inserts as availiable in most dive stores, but with a difference, the end that you remove from the valve before breathing from it is round for nitrox, square for air, and missing(tapered to a point to make you have to fo[ sorry fight to get it out) for o2. You have to remove it to breath from the reg, in the process you feel it, and most times see it I don't use tri or Hel so don't have a code for these, probably replace the air one to tmix, ie square. ************************************************************************* _/_/_/ _/_/_/ _/_/_/_/ tow@uk*.ac*.nb*.ua* _/ _/ _/ _/ _/ _/ PROUDMAN OCEANOGRAPHIC LABORATORY _/ _/ _/ _/ _/ BIDSTON,MERSEYSIDE _/ _/_/_/ _/ _/ ENGLAND. L43 7RA Two roads diverged in a yellow wood, and I, I take the one less travelled by, and that makes all the difference. **************************************************************************
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