Dive With Nitrox ( Nitrox ); Before A Nitrox Dive; Nitrox Parameter Setting; Partial Pressure Setting (Po2) - Cressi Archimede Manual De Instrucciones

Related topics:
• 3.1. - DIVE WITH AIR.
• 3.3. - DIVE WITH NITROX.
• 3.2.1. - Decompression Dive.
• 3.5. - CNS Toxicity Display.
• 3.6. - PO2 Alarms.
• 4.1.2. - Dive Logbook.
3.3. - DIVE WITH NITROX .
3.3.1. - Prior to a Nitrox Dive.
DANGER: this dive computer can be used for Nitrox
dives only by divers who have completed a full training
course on Nitrox diving.
The Archimede Cressi-sub dive computer can be used for
dives with air, as indicated on the UFDS display with the word
( ) (fig. 3), as well as for dives with Nitrox (EAN=Enriched Air
Nitrox). In this second case, the icon (
played (fig. 10), which will remain visible throughout your dive
and until the parameters for Nitrox dive are set.
IMPORTANT: the computer, when used for AIR dives
( ) will keep this setting until it is reset by the diver for use
in dives with Nitrox (chapter 2.3.1. - Dive Parameter Setting)
DANGER: Do not make any dive with a Nitrox cylinder
without having personally checked its oxygen content !!
IMPORTANT: Before every dive, always check the oxy-
gen percentage set in your dive computer. You can do so
while still on the surface by pressing the A (
order to get a quick look at the previously set parameters.
) will be dis-
Nitrox
) button, in
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Related topics:
• 2.3.1. - Dive Parameter Setting
• 2.5. - Quick Display of Set Data.
• 3.4. - Nitrox Parameter Setting.
• 3.5. - CNS Toxicity Display.
• 3.6. - PO2 Alarms.

3.4. - Nitrox Parameter Setting.

3.4.1. - Partial Pressure Setting (PO2).

Archimede comes with a default PO2 value of 1.4 bar, for
both dives with Nitrox and with air. This ensures max safety
for every type of dive.
However, you can change the PO2 setting to values ranging
from 1.0 bar to 1.6 bar. If you need to raise the safety margin
of your dive, you can set PO2 at lower values up to a mini-
mum of 1.0 bar. In paragraph 2.3.1 we have already seen how
you can select the various values. Simply press the central
M(Mode) button until the (
trated in figure 3 and you can then change the parameters
according to the following procedure:
i
by pressing the A ( ) button, you select the dive parameters
in the following order for::
) screen is displayed as illus-