The "demand" oxygen system in your ship insures a fully adequate
oxygen supply except under the most extreme conditions. It was developed
to supply you, AUTOMATICALLY, as much oxygen as you need when you need
it--at all altitudes and under all conditions.
The DEMAND OXYGEN SYSTEM consists of the following:
(1) Demand type mask.
(2) Mask to regulator tubing.
(3) Demand type regulator (A-12).
(4) Portable recharging hose (for filling walk-around bottles
(5) Portable equipment:
(a) A-4 Cylinder with A-13 demand regulator.
(b) D-2 cylinder with A-13 regulator.
(6) A panel containing:
a flow indicator
an oxygen pressure gauge
(7) Cylinders containing breathing oxygen.