2120
OPERATION:
This front cover has a soft exible frontal surface that is easy to depress to purge. The closed frontal
surface reduces the chance of free ow that might occur if in a strong current, such as might be
encountered in caves or open water. The ambient water ports of the second stage are directed to the
sides, where a frontal current will not upset the regulator diaphragm.
RAPID ADJUSTMENT VENTURI CONTROL:
The quarter-turn manual override adjustment allows quick detuning for surf entries, jumping o a boat,
octopus use or other special situations. The knob rotates the Venturi nozzle towards or away from
the mouthpiece opening. Pushing it forward results in maximum ow during diving; pulling rearwards
reduces sensitivity and chances of free owing. Note that this control reduces overall ow yet does not
change the inhalation eort or make it harder to breathe.
SOFT VENTURI
CONTROL GRIP
SOFT FLEXIBLE
PURGE COVER
MINIMUM
FLOW
MAXIMUM
FLOW
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