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Periodically check the pressure gauge.
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Make sure that other equipment does not interfere with the operation of or access to
the necessary controls and components.
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Check for leaks.
The mask can easily be purged in the event that water enters the mask by pressing the exhaust button
on the second stage. The water will flow out of the lower valve. The diver should be facing straight
ahead, with the exhaust valve being the LOWEST part of the system while holding the top side of the
mask with his/her palm.
The dive should be planned with the intention of not using a reasonable reserve of air for
emergency use. The minimum recommended pressure that should be left in the cylinders
upon dive completion is usually 50 bar (725 psi).
10 - DURING A DIVE
Breathe normally through your nose or mouth, whichever
is most comfortable.
To equalize, press the front part of the regulator or the
top of the mask (without pushing the purge button).
Breathing must be continuous, without holding one's
breath.
CHECKS DURING DIVING
PURGING
NEPTUNE III Package Owner's Manual rel. 2.1
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