Cressi Archimede User Manual download pdf (Page 16)

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3. - program.

Archimedes II computer offers two computing pro-

grams; for air ( program) and for nitrox mixtures or

EAN (Enriched Air Nitrox) dives. Archimedes II allows for use

with up to two different nitrox mixtures during the same dive.

NOTE: Archimedes II computer is set at the factory on

program, with the primary mixture’s (Mix 1) O2

value on 21% and PO2 on 1.4. The second mixture (Mix

2) is set at the factory off. Each manual variation of the

manufacturer’s values relating to Air program will start

Archimedes II Nitrox computation program.

3.1. - AIR DIVE.

Archimedes II computer starts automatically the "Dive" pro-

gram at a depth superior to (ft. 5). During a curve dive the

display will show the following information (picture 10):

1 current depth value, in meters (m) or feet (ft.)

2 no decompression time still available is shown by the

“NDL” - (No Decompression Limit) icon

3 maximum depth reached during the dive

displayed in meters (m) or in feet (ft.), shown by the

“MAX” icon

4 time spent diving, shown by the "DIVE T" icon

indicator of segmented surfacing speed

6 graph of nitrogen amount absorbed during the dive

7 graph representing CNS O2 toxicity level (see chapter

3.3.4)

8 Automatic indicator of altitude level

9 Icon of maximum depth alarm (if switched ON – see 2.5.1)

10 indicator of Nitrox mixture(s) dive

11 MIX1 or MIX2 icons identifies which Nitrox mixture is being

considered by the computer to make its computations

12 ( ) and ( ) icons, that is “Info” (button A) and back-illu-

mination (button C).

Further important information are obtained by keeping pres-

sed button A ( ) during the dive, that is (picture 11):

1 current PO2;

2 oxygen percentage of the selected mixture (Air if FO2=21%);

3 maximum depth reached during the dive, in meters (m) or

feet (ft.);

4 current temperature, expressed in °C or °F

The UFDS display show ( ).

NOTE: When the computer is used for air dives, it is not

necessary to carry out any FO2 change or setting before

the following dive.

During your diving activity, light condition may not allow easy

reading of the display, therefore, it is possible to switch on its

back-illumination by depressing button C ( ). The display’s

back-illumination will last about 5 seconds and may be repea-

ted any time you want. The battery consumption is minimal

when the back-illumination is activated.

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Cressi Archimede User Manual Page 16

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