48
SCUBAPRO ALADIN 2G
8. Diving with two gas mixtures
8.
DIVING WITH TWO GAS MIXTURES
1
d
d
Bottom mix (gas 1)
Time
Switching depth
(MOD gas d)
Deco mix (gas d)
Depth
)
NOTE:
The following chapter deals with the
characteristics of diving with two
gases.
Aladin 2G enables you to use two different
Nitrox mixtures during the same dive.
Tank 1 contains the bottom mix (gas 1) and
tank d contains the deco mix (gas d).
Switching the deco gas option on and
off
In order to enable two-gas diving you must
turn on the deco gas option in the SET 1
menu ->60.
Setting the gas mixture and the depth
for changing the gas mixture
d
1
O
2
fraction
Range of O
2
fraction
100%
21%
During dives with two gas mixtures the
bottom mix (gas 1) contains the lower
fraction of oxygen. Aladin
2G will only
accept settings corresponding with this
order.
WARNING
For gas mixtures having an oxygen percentage
of 80% or greater the ppO
2
is fixed at 1.6bar
and cannot be altered in any way.
Depth for change of
gas mixture, MOD
ppO
2
max
Procedure:
1. Enter the setting for the fraction of oxy-
gen and the ppO
2
max (MOD) for gas 1
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