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Summary of Contents for Cressi Archimede II
- Page 1 Manuale d’istruzioni Manuel d’instructions Gebrauchsanweisung Manual de instrucciones User’s Manual...
- Page 2 User’s Manual User’s Manual...
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Page 3: Table Of Contents
TABLE OF CONTENTS 3.4.1. - Ascent rate....... . . pag. 178 3.4.2. -
Page 4: Main Specifications
1. - INTRODUCTION. • Back-luminescent display • Dive simulator (surface interval setting for a subsequent dive) Congratulations on your purchase of the Archimedes II com- • Calendar and clock puter. The Archimedes II is a sophisticated computer offering • Logbook (30 h or 60 dives) including dive profile numerous performance features which ensures the utmost •... - Page 5 It is recommended to avoid all DANGER: Cressi-sub discourages the use of this such situations that may increase the likelihood of decom- instrument in decompression dives. In the event that no- pression sickness.
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Page 6: Introduction
132 ft. Archimedes II Cressi-sub underwater computer may be Exceeding these perimeters dramatically increases the connected to a compatible PC, by means of a Cressi-sub likelihood of decompression sickness... - Page 7 Archimedes II. Serious damages or death can result if theses guidelines are not clearly understood. Archimedes II Cressi-sub computer’s watch and calendar function (see picture 1) are always on, and the related battery consumption is unnoticeable.
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Page 8: Before Diving
2) Before diving 2) Before diving Foto Ghisotti... -
Page 9: Ufds Display And Controls
2.1. - UFDS display and controls. Archimedes II’s different programs are visible by repeatedly depressing button B (Mode). This is the key to operating the system. They are clearly indicated by the alpha-numeric UFDS display. Some programs have sub-menus, which are switched on by depressing buttons A and C. -
Page 10: Parameters Setting
IIt is recommended that before diving at altitude, wait at least 2.3.1. - DIVE program parameters setting. three hours after arriving at your diving destination. This will allow a partial release of the residual nitrogen from the body. NOTE: Archimedes II computer is preset on pro- The atmospheric pressure at higher altitudes is lower than at gram. - Page 11 • FO2 Mix 1 is the oxygen percentage of the primary Nitrox be changed by the diver on values between 1.0 bar (included) mixture (MIX1) set on Archimedes II. The diver may vary it on and 1.6 bar (included), by increments of 0.1 bar, following values between FO2=Air (21%) –...
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Page 12: Dive Planning
• 4.1.1. - Surface interval. • 3.5.1. - Omitted decompression stage alarm. (Error) Cressi-sub reminds you that sport dives must be carried out within the no-decompression guidelines, and at the maximum 2.3.3. - Rapid visualisation of set data ( depth of 132 ft. This is the limit of sport diving. To exceed these limits remarkably increases the risk of decompression sickness. -
Page 13: Instrument General Setting
WARNING: Archimedes II Cressi-sub computer has been alarm which may be switched on or off by the user by setting developed for sport diving use only. It is not intended for... -
Page 14: Date And Time Adjustment
B (Mode) to go to the first menu of ( ) program NOTE: When switched on (ON), the maximum depth setting (picture 3). Then depress buttons A+C in sequence alarm works in both computing programs. and keep them pressed together for about 5 seconds. An Related topics: alarm and the new set unit of measure will appear on the display. - Page 15 3) While diving 3) While diving Foto Ghisotti...
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Page 16: Air Dive
3. - program. 9 Icon of maximum depth alarm (if switched ON – see 2.5.1) 10 indicator of Nitrox mixture(s) dive Archimedes II computer offers two computing pro- 11 MIX1 or MIX2 icons identifies which Nitrox mixture is being grams; for air ( program) and for nitrox mixtures or considered by the computer to make its computations EAN (Enriched Air Nitrox) dives. -
Page 17: Before A Nitrox Dive
3.2. - HYPER-OXYGENATED (NITROX) MIXTURES WARNING: Before diving, always check the oxygen per- DIVE centage of the mixture(s) set on the computer. This is done on surface by depressing button A ( ) which allows visua- 3.2.1. - Before a Nitrox dive. lization of the previously set parameters. - Page 18 the following order, the dive parameters relating to: where FO2 Mix 1 is the oxygen percentage of Nitrox primary mixture (MIX1), which can be set on values between 21% and PO2 Mix 1 -> FO2 Mix 1 -> PO2 Mix 2 -> FO2 Mix 2 50%, by O2 variations of 1%.
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Page 19: Mixture Changing While Diving
It is important to comply with and understand the following: 3 Should the FO2 value be set and no dive carried out, the computer will store the set value in the memory until the 1 At the end of a dive, the previously set mixture(s) oxygen current day’s midnight, when it will reset it on percentage FO2 will be stored in the memory only during (picture 12b) -
Page 20: Cns Toxicity Display
• 3.3.4. - CNS toxicity display. DANGER: As a safety measure, in order to avoid the • 3.3.5. - PO2 alarms. involuntary setting of nitrox mixtures at depths where they might be toxic (excessive PO2), Archimedes II does not 3.3.4. - CNS toxicity display allow the mixture change if the new mixture’s PO2 is higher Archimedes II computer is display a graph of the Central than the one set on the computer (1.4 bar = default value). -
Page 21: Po2 Alarm
3.4.1. – Ascent rate. diver in a range between 1.0 bar and 1.6 bar. Archimedes II Archimedes II Cressi-sub computer’s algorithm considers considers the 1.6 bar value as the partial pressure maximum different ascent rates according to the depth. The speed is... -
Page 22: Safety Stop
² 0.0 m 26.2 ft/min 39.4 ft/min 52.4 ft/min NOTE: Cressi-sub recommends that after each dive, a safety 25.9 ft/min 36 ft/min 52.1 ft/min stop of 3-5 minutes at 10 – 20 ft be conducted. If, during surfacing, the maximum allowed ascent rates are... -
Page 23: Decompression Dive
To avoid ascending to a depth above the decompression DANGER: Do not use this instrument to dive beyond depth, you should ascend to a depth slightly deeper than the no decompression limits! Cressi-sub discourages the the stage decompression depth requirement. use of this instrument for decompression dives. -
Page 24: Omitted Decompression Stage Alarm
In the event that the diver does not Cressi-sub reminds you that sport dives must be carried out descend to the proper depth (after 3 minuets) the computer within the no decompression guidelines, and at the maximum display “Error”... - Page 25 dive time, shown by the “DIVE T" icon, given by the timer Related topics: in minutes and seconds. • 2.4. program parameters setting (depthometer/timer) maximum depth reached during dive • 2.3. - Parameters setting given in meters (m) or feet (ft.), shown by the •...
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Page 26: On Surface After A Dive
4) On surface after a dive 4) On surface after a dive Foto Ghisotti... -
Page 27: Data Processing
4.1. – Data processing. NOTE: Should a dive begin with less than 10 minutes of sur- face interval time, Archimedes II will consider this a conti- This chapter deals with all the “on surface” functions, inclu- nuation of the previous dive; the dive’s count and dive time ding data processing after a dive, both in and in computation will restart from where they had stopped. - Page 28 4.1.2. – Logbook ( classified a no decompression dive. Should it enter the “red” zone, it is classified a decompression dive. Archimedes II computer memorizes data relating to the last 30 hours’ dives (or to the last 60 dives) both in Indicator of altitude level at which the dive has been car- programs.
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Page 29: Surface Interval
on the UFDS display. The second display mode giving the • 3.2. - NITROX mixtures dive. dive’s number followed by (…-2) will be replaced by the dive’s • 3.3.4. - CNS toxicity display. number followed by “…-3”, that is, the third logbook display •... -
Page 30: Dive Profile
A ( By connecting the Cressi-sub (optional) interface hardware to a USB port and installing Cressi (optional) PC Logbook NOTE: The display will display all icons relating to the alarms software, it is possible to download any information stored in which have possibly engaged during the dive, like ( Archimedes II to your PC. -
Page 31: Instrument Reset
4.1.6. – Instrument reset. Related topics: The instrument may be completely reset, by depressing the • 2.3.1. - program parameters setting. small button on the back of the instrument, shown as "RESET" • 2.5.2. - Date and hour adjustment. (picture 34). This will result in information relating to nitrogen •... -
Page 32: Surface Interval Dive Simulator
quent dive’s simulation, with de-saturation in progress. surface interval in order to simulate a subsequent dive. As noted in the previous chapter, the simulator program is ente- Should the simulation be carried out with Nitrox mixtures, red by repeatedly depressing button B (Mode), until the refer to all information seen in the chapters dealing with Nitrox ) icon appears on the UFDS display (picture 35). -
Page 33: Battery Replacement
Cressi-sub retailer. instrument checked by an authorized Cressi-sub dive retailer. Should you notice any possible anomaly in functioning, do not If everything appears in good condition, remove battery by use the instrument to dive and have it checked by an autho- holding the computer face down. -
Page 34: Technical Specifications
6. – TECHNICAL SPECIFICATIONS. Algorithm: Bühlmann ZH-L8 Standard fabrics: Hemi-saturation time: from 5 to 640 minutes Dimensions and weight: Diameter: 62 mm - Height: 24 mm - Weight: 115 g Depth sensor:: fig. 40 a fig. 40 b - Sea water setting (fresh water depths are NOTE: Different factors affect the battery life. - Page 35 6.1.1. – No decompression tables by the first dive NOTE: Different factors affect the battery average life. For in a series. example: the time of storage before acquiring the instru- ment, the dive time, the use of back-illumination, the bat- tery’s quality itself, whose average life varies according to Depth Depth...
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Page 36: Warranty
The warranty cannot be transferred by the first purchaser to a third party. A purchase receipt (with purchase date) from an authorized Cressi-sub dealer is requi- red for warranty service. Any unwarranted repairs will be car- ried out at the buyer’s expense. - Page 42 Cressi-sub S.p.A. Via Gelasio Adamoli, 501 - 16165 - Genova - Italia Tel. (0) 10/830.791 - Fax (0) 10/830.79.220 E.mail: info@cressi-sub.it WWW: http://www.cressi-sub.it...
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