Pressurising The Regulator - Aqua Lung Calypso Owner's Manual

3.3 Pressurising the regulator

CAUTION : Before pressurizing the regulator check the condition of the hoses
fitted to the regulator.
1. If a submersible pressure gauge is fitted check that its dial faces
away from you.
2. SLOWLY open the cylinder valve to pressurize the regulator. When the valve
is completely open, screw it back a quarter turn.
3. Check that there are no leaks from any of the hoses or from any other acces-
sories fitted. NEVER DIVE with a regulator that shows any leaks when placed
under pressure. If there is a leak between the regulator and the cylinder check
that the regulator is correctly fitted and that the O-ring is in good condition.
WARNING : Never attempt to reposition the hoses once the regulator is under
pressure. If they are not correctly oriented, Close the cylinder valve, purge the
regulator and reposition them.
4. Check to ensure that the submersible pressure gauge is displaying an accu-
rate measurement of the air pressure inside the cylinder at the time of charging
and is appropriate for your planned dive.
5. Depress the purge button momentarily to ensure that sufficient airflow is pro-
vided to blow out any dust or debris which may have entered the second-stage.
6. Put the regulator in your mouth and place the VAS in "+" position. , for the
Mikron Regulator, unscrewed completely the VAK (counter-clockwise).
7. Inhale slowly and deeply from the regulator several times. The regulator must
deliver enough air for you to breathe easily without noticeable resistance.
14 B a c k t o t h e c o n t e n t s