SubGear XP-3G - 8.1 Functions During Multi-Gas Dives; Predictive Decompression Prognosis

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Diving with 2 or 3 gas mixtures
8. DIVING WITH 2 OR 3 GAS MIXTURES
Bottom mix, gas 1
Time
Switching
depth
(MOD
gas d)
Switching
depth
(MOD
gas 2)
Travel mix, gas 2
Depth
Deco mix (gas d)
NOTE:
The following chapter deals with the characteristics of diving with 2 or 3 gases. In case
of using 2 gas mixtures (gas 1 and d), just ignore the parts describing the gas 2.
Subgear XP-3G enables you to use up to 3 different Nitrox mixtures during the same dive.
Tank 1 contains the bottom mix (gas 1), tank 2 the travel mix and tank d contains the deco
mix (gas d).
Switching the deco gas option on and off
In order to enable two- or three gas diving you must turn on the deco gas option in the SET
1 menu ->87.
Setting the gas mixture and the depth for changing the gas mixture
21 d
O
2
fraction
Range of O
2
fraction
100%
21%
During dives with 2 or 3 gas mixtures the bottom mix (gas 1) contains the lowest and gas d
the highest fraction of oxygen.
Subgear XP-3G will only accept settings corresponding with this order.
WARNING
Forgasmixtureshavinganoxygenpercentageof80%orgreatertheppO
2
is xed at 1.6 bar and
cannot be altered in any way.