Aqua Lung Calypso Kullanıcı Kılavuzu - Sayfa 10

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CALYPSO BC USER'S MANUAL

5.2 Deflation Via the Rapid Exhaust Valve (REV)

Inside the oral inflator's corrugated hose is a cable that attaches the oral inflator

to the rapid exhaust valve (REV) at the top of the airway assembly. You can

vent air from the BC by gently tugging straight down on the oral inflator.

The rapid exhaust valve (REV) provides an effective and convenient way to vent

air from the BC while in either an upright or facedown swimming position.

5.3 Deflation Via the Over Pressure Relief Valve (OPRV)

The over pressure relief valve (OPRV)

is located near the bottom right side

of the bladder. This valve relieves

air when the internal pressure of the

bladder is too great, to prevent over

pressurization.

The OPRV can also act as a manual

dump valve. It can be activated by pull-

ing on the ball and cord assembly to

release air from the BC (See Fig. 3).

CAUTION: The proper function of the over pressure relief valve

(OPRV) is vital to prevent damage to the BC bladder. Unauthor-

ized service or tampering may render this valve inoperable, and

could cause the bladder to leak or rupture. This type of damage

is not repairable, and is not covered under the terms and condi-

tions of the Aqua Lung Two year Limited Warranty™.

NOTE: Most training agencies recommend that you descend in an up-

right, feet first position, in order to maintain a slower and more controlled

descent. This is especially true if you experience difficulty equalizing your

ears, or if you are descending in low visibility conditions.

Figure 3