Diving In Nitrox Mode - Suunto COBRA Quick Reference Manual

m
PO2
O2%
OLF
Fig. 3.21. Nitrox display.
Maximum depth based on set
O % (21%) and PO
2 2
54.1 m [177 ft].
m
O2%
NO DEC TIME
OLF
bar
DIVE
Fig. 3.22. Diving in Nitrox
mode. The O % is set to 32%.
2
28

3.4. DIVING IN NITROX MODE

3.4.1. 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 (EANx) (Nitrox mode).
If set to the Nitrox 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
(1.4 bar) is
calculation models according to the entered O
PO
2
longer no-decompression times and shallower
maximum depths. When the dive computer is set in
Nitrox mode then the Dive Planning and Dive
Simulation modes both calculate with the O
PO
2
MAX
DEFAULT NITROX SETTINGS
In the Nitrox mode, the default setting is for standard
TIME
air (21% O
adjusted to any other percentage of oxygen (22% -
50%).
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
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.
values. Calculations based on Nitrox result in
values that are currently in the computer.
). It remains in this setting until the O
2
.
2
% and
2
% and
2
% is
2