Coltri Sub POLARIS Use And Maintenance Manual page 42

SPECIFICATIONS
The CRUISER OCTOPUS regulator is a second stage with Venturi
adjustment (Dive mode).
Second stage
The second stage is a pneumatically balanced second stage, witch offers
optimum ease of breathing. An additional adjustment allow the diver
to fine tune the Venturi effect to the dive / diver conditions. The second
stage comes from factory with adjustment Venturi lever in the minus
position.
Venturi lever
This lever, located on the side of the second stage Housing, enables the
diver to control the inhalation Venturi effect When on the (+) position, the
diver get maximum Venturi assistance upon initial inhalation, the air flow
is maintained without additional effort.
WARNING:
On the surface to avoid any free flow resulting from surface waves
and / or sudden entry in the water, the diver should keep the lever
pushed towards the front in the (-) / minus position. This position
should be maintained whenever the second stage is used as an
octopus for a safe second stage.
At the beginning of the dive, the diver should push the Venturi
lever In the (+) / plus position, to obtain optimum breathing
characteristics. The (+) / plus position is the "dive mode" position.
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ENGLISH
POLARIS
SINTHESIS
CRUISER OCTOPUS