
NEPTUNE SPACE IRON MASK Owner’s Manual rel. 1.0
October 2010
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4. With the LP hose plugged in press the purge button of the 2nd stage and check
that the air flows freely. Release the button and check that air stops flowing.
5. Close surface air valve before descending.
DURING A DIVE
1. Breathe normally through your nose or mouth, whichever is most comfortable.
2. To equalize, press the front part of the regulator or the top of the mask(without
pushing the purge button).
For more information watch the tutorial videos on www.oceanreefgroup.com