Aqua Lung Airsource 3 with Cut-off Valve - Manual (Page 10)

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The cut-off valve is a feature unique to the Airsource, which allows the air
supply to be turned off or on by pushing the device up or down. When the cut-
off valve is pushed down (figure 8a), air is supplied to the hose. To stop the
supply of air, simply push the cut-off valve in an upward direction (see figure
8b). The cut-off valve eliminates the need to detach the MP hose to stop the
air supply in the unlikely event of automatic inflation; simply push the valve up
to stop the air supply.
INFLATION
Operation of the Cut-off valve
BC Inflation
Just as with a conventional inflator, power (MP) or oral inflation can be utilized
when using the Airsource. both procedures need to be practiced to become
familiar.
Medium Pressure (MP) Power Inflation
The power inflator is a primary means for adding air to the flotation cell. The
power inflation system enables you to inflate the BC simply by pressing the
small red inflation button (Figure 9). With practice you will soon be able to
quickly make buoyancy adjustments without interrupting your diving activity.
Figure 8a
Figure 8b
power inflation button
Figure 9