Aqua Lung Airsource 3 with Cut-off Valve - Manual (Page 14)

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Inflation
While breathing normally from the Airsource, push the power inflator button to
inflate the BC. For oral inflation, breathe in normally through the mouthpiece,
then depress the inflate/deflate button and breathe back out through the mouth-
piece. Release the oral inflation button immediately after exhalation in order not
to allow the air to escape from the air cell. Instead of the air escaping through
the exhaust valve, the air will be diverted into the air bladder. (Figure 12)
Deflation
The Trim Grip™ (Figure 13) is exclusively designed to allow deflation of the
bc through the relief valve while breathing from the Airsource. The Trim grip
incorporates dual activating cables for the relief valve. This, combined with the
angled mouthpiece, allows you to pull downward on the Trim grip hose without
removing the Airsource from your mouth. The increased hose length allows for
greater range of head movement.
power inflator button
oral inflator button
Figure 12
Figure 13