1. - INTRODUCTION. 1.2. - SAFETY RULES. 1.2.1. - Definition of Danger, Important, and Note. Congratulations on your purchase of an Archimede Cressi- sub dive computer. It is a sophisticated and comprehensive This manual highlights certain points of particular importance.
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DANGER: Cressi-sub advises you against using this dive computer for decompression dives. However, should training. Do remember that dive safety can be ensured by you exceed the safety curve limits, Archimede Cressi- proper training only. Sub dive computer can supply you with all the information...
PO2 value (from 1.0 bar to 1.6 bar). They deal with all the different dive stages. You will also find out how easy it is to use and interpret Archimede: each dis- The dive computer can also be set by the user by adjusting play screen displays only the data your are interested in, the unit of measure with either metric (m -°C) or Imperial sys-...
2.1. - UFDS Display and Controls. By repeatedly pressing the M (Mode) button, you can scroll through all Archimede’s programs, and clearly display them on the alphanumeric UFDS display. Some of the programs also have sub-menus that can be accessed with the A and B ) buttons.
than the balanced condition he/she had at the original altitude. where : This extra nitrogen is gradually eliminated and the balance • PO2 is the maximum partial oxygen pressure. It can be set resumed after a couple of days. by the diver with values from 1.0 bar to 1.6 bar (both values At this point you need to carry out a general check to see included), with changes of 0.1 bar, whenever you press the that:...
(Mode) button repeatedly until you see the ( ) icon on the UFDS display. At this point the display of seconds is blinking The Archimede dive computer is fitted with a maximum (fig. 5). depth alarm set by the manufacturer (fig. 4a) and activated...
) icon on the UFDS display of Archimede If you want to change the unit of measure, press the M Cressi-sub dive computer, when on the surface, you can dis- (Mode) button to access the ( ) screen (fig. 3).Then press...
3.1. - DIVE WITH AIR. The UFDS display shows ( Related topics: The “Dive” program is automatically turned on by the Archimede dive computer at a depth of more than 5ft. During a no-decom- • 2.3. - Parameter Setting. pression dive, the following information is displayed (fig. 9): •...
Whenever the no decompression limit indicated on the dis- for the following dive may be invalidated by excessive play by the NDL icon reaches 3 minutes (fig. 13), Archimede ascent rate during the previous dive. will warn you with an audible alarm while the display will be blinking for 6 seconds (three of which with flashing light).
You have 3 minutes to correct this dangerous situation. After stop depth. this time, Archimede will automatically enter the “Error” pro- gram and the icon ( ) (fig. 16) will be displayed. You will not be In order to avoid this situation, during decompression, always able to use the dive computer for the next 48 hours.
3.4.1. - Partial Pressure Setting (PO2). 3.3.1. - Prior to a Nitrox Dive. Archimede comes with a default PO2 value of 1.4 bar, for DANGER: this dive computer can be used for Nitrox both dives with Nitrox and with air. This ensures max safety dives only by divers who have completed a full training for every type of dive.
) button, to manually set other oxygen frac- IMPORTANT: the PO2 setting is kept until it is manually tions different from the standard one. With Archimede you can reset by the diver on other values. set O2 fractions ranging from 21% (...
3.5. - CNS Toxicity Display enter the ( ) screen to change the parameter settings, The Archimede Cressi Sub dive computer gives you a graph- hence you cannot change the previously set oxygen fraction ic display of the degree of Central Nervous System oxygen...
You should never forget that even when diving with air, you can get intoxicated with oxygen. This limit changes depend- ing on PO2 setting. Archimede’s default value is 1.4 bar, cor- responding to a max depth with air of 183.6ft. Obviously, other PO2 values can be set, up to a maximum of 1.6 bar.
48 hour interval after a decom- pression dive or several particularly demanding dives; The Archimede Cressi-sub dive computer stores the last 30 hours of diving (or the last 60 dives). Data are recorded in the 3 surface interval time, expressed in hours and minutes, indi- Logbook every 30 seconds.
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On the main display screen (fig. 24), UFDS display indicates that )(PO2 alarm); ( ) (maximum ascent rate alarm) etc. SLOW the ( ) function is on, displaying the following information: In order to display the second Logbook screen, simply press 1 year of dive;...
Between one piece of data and the next there is a 30 second Archimede Cressi-sub dive computer also offers a dive histo- interval. In order to read the dive profile of the immediately pre- ry ( ) function.
• 4.1.5. - Data transfer to PC: PC-Interface compatible 4.1.5. - Data transfer to PC: PC-Interface compatible ( The Archimede Cressi-sub dive computer can be connected with an compatible personal computer through the Cressi interface (optional) and related software (also optional). With...
If the dive computer is still recording some residual nitrogen, or play (fig. 31).With this program, you can simulate a multilevel if you are still within desaturation time, Archimede will allow you dive by pressing the B ( ) button to increase depth, or the A to change the surface time interval in order to simulate anoth- ) button to ascend.
• 3.1.1. - No Decompression Dive. In case of operation failure, do not use the computer during • 3.2.1. - Decompression Dive. your dive and contact a Service Center authorized by Cressi- • 3.3. - DIVE WITH NITROX. sub to fix it.
Excessive tightening could break the cover sion due to water infiltration, contact an Authorized Cressi-sub or make it difficult to open again. Service Center to check the computer.
“tissue half-lives” - namely the time required to reach 50% saturation in any tissue - differs in each of these tissues. The Archimede Cressi-sub dive computer uses 9 sample tis- sues, on which the mathematical model is applied during all...
In case of a claim, send the product, shipping paid, to your Cressi-sub retailer or to an authorized Service Centre. Write down your full name, address, and enclose the purchase receipt or invoice. Always keep this user’s manual with your Archimede dive computer.
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