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3.2.2. DIVING WITH EAN (NITROX)
3.2.2.1. BEFORE DIVING
This dive computer can be set for diving with standard air only (Air mode) or it
can be set for diving with Enriched Air Nitrox (EAN mode).
If set to the EAN mode, the correct oxygen percentage of the gas in your cylinder
must always be entered into the computer to ensure correct nitrogen and oxygen
calculations. The dive computer adjusts its mathematical nitrogen and oxygen
calculation models according to the entered O
% value (Fig. 3.21.). Calculations
2
based on Nitrox result in longer no-decompression times and shallower maximum
depths.
The EAN mode is set using the SET DIVE function (See Chapter 4.3 Dive Mode
Settings)
DEFAULT NITROX SETTINGS
In the EAN mode, the default setting is for standard air (21% O
). It remains in this
2
setting until the O
% is adjusted to any other percentage of oxygen (22% - 50%).
2
If a dive is started within 2 hours Mosquito retains this value until the dive series
is fi nished. If unused, the computer will retain the manually entered value for the
selected oxygen percentage for about two hours, after which it will revert to the
default setting of 21% O
.
2
The default setting for maximum oxygen partial pressure is 1.4 bar, however you
are able to set it in the range of 1.2 - 1.6 bar.
45
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