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NOTE: Since the Mikron does not have a VAS, it is necessary to screw the VAK
all the way in when it is out of your mouth. Failure to do so could result in a free-
flow situation should the regulator get bumped or the purge cover depressed.
2.4.4 LEGEND LX Regulator:
This patented adjustment system, called the Master Breathing System, simulta-
reduces the sensitivity of the regulator: the depression required to initiate the valve
opening is also increased.
The MBS allows you to compensate for the difference in hydrostatic pressure your
lungs and the second stage.
For example, when you are in a vertical head-down position, you will want to
decrease the regulator's sensitivity by turning in the MBS. On the other hand, when
you are in a head-up position you will want to increase the sensitivity by unscrewing
the MBS to obtain improved breathing comfort.
We recommend that you set the regulator on the MAX setting while you are brea-
thing from it and set it on MIN when it is out of your mouth.
2.5 Titan Quick-Connect System (patented)
The Titan regulator is equipped with a quick- connect fitting linking the hose to
the second stage of the regulator.
The presentation below illustrates the proper method for removing and repla-
cing the second stage.
This procedure allows you to quickly disconnect the second stage from the
hose without tools.
This operation should only be carried out by an Authorized Aqua Lung Dealer as
part of the Service/Maintenance procedures
The Quick Connect hose doesn't have the features of a Direct System hose (BC
Inflator Hose) and will not stop the flow of air out of the hose if the second
stage is removed while under pressure.
2.5.1 Titan Regulator with hose properly connected
The lug on the lock nut prevents the hose from loosening.
11
B a c k t o t h e c o n t e n t s
Master Breathing System (MBS) adjustment
neously controls both the opening effort, by changing
spring tension, as well as the venturi effect.
In the MAX position: the venturi effect is at its maximum
and the opening effort required is minimum. This will pro-
vide the best breathing performance.
In the MIN position: the venturi effect is at its minimum
and the valve opening effort is at its maximum, this
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