Diving With Two Gas Mixtures - Scubapro Aladin 2G Manual De Usuario

8. Diving with two gas mixtures

8. DIVING WITH TWO GAS MIXTURES
Time
1
Bottom mix (gas 1)
)
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
1 d
Range of O fraction
2
48
d
d
Deco mix (gas d)
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.
For gas mixtures having an oxygen percentage
of 80% or greater the ppO
and cannot be altered in any way.
O fraction
2
100%
Depth for change of
21%
gas mixture, MOD
Procedure:
1. Enter the setting for the fraction of oxy-
gen and the ppO
Switching depth
(MOD gas d)
WARNING
is fixed at 1.6bar
2
ppO max
2
max (MOD) for gas 1
2
SCUBAPRO ALADIN 2G