Aqua Lung apeks XTX 40(DS4) Руководство пользователя - Страница 13

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Regulator Owner's Manual

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External Second Stage Adjustments

External adjustment features offer many advantages, including

the ability to adjust your second stage regulator's sensitivity as

your diving conditions change. This allows you to maintain peak

performance throughout every dive, or to desensitise your regulator's

opening effort at times when you are not breathing from it.

Apeks second stages are equipped with a diver controllable venturi

system. This system is known as the integrated venturi system (IVS)

switch or Reversible Venturi System (RVS) on the XTX range of

second stage regulators. This switch allows the diver to control the

venturi assist to reduce sensitivity to free flow at the surface and

provide the maximum airflow at depth.

Whilst diving, set the switch to plus (+) to achieve maximum venturi

assistance for easier breathing.

To prevent the second stage from free-flowing, however, you should

set the IVS/RVS to the MIN(–) setting during entry or while swimming

on the surface.

Note: Egress Second

Stages (not

shown) do

not include

an inter-

grated venturi

Switch.

CAUTION: Do not use

mouthpiece insertion type

Octopus holders. The

internal venturi deflector may

become dislodged.