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ALADIN AIR Z O2 Operating Manual

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THE SYSTEM
®
Active Light
®
AIR Z O
2
SWISS MADE BY UWATEC AG

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Summary of Contents for ALADIN ALADIN AIR Z O2

  • Page 1 THE SYSTEM ® Active Light ® AIR Z O SWISS MADE BY UWATEC AG...

  • Page 2: Operating Scheme For Surface Functions

    Operating scheme for surface functions B and E B and + B and – Sleep Surface Sleep Input stage Input stage Ready or % MIX % MIX Surface LOGBOOK (or 3min) (or 3min) 5sec % MIX % MIX Battery LOGBOOK capacity depth dive time...
  • Page 3 Important remarks concerning signal words and symbols This operating manual makes use of the following icons to indicate especially important comments: Remarks: Informations and tips which are important for optimal use of the functions of your Aladin Air Z O ®...

  • Page 4: Air Z O 2 - Introduction

    Safety considerations You must carefully read and understand this entire manual before using your Aladin Air Z O ® Diving has many inherent risks. Even if you follow the instructions of this manual in a careful manner, it is still possible that you may be seriously inju- red or die from decompression sickness, oxygen toxicity or some other inhe- rent risk of scuba Nitrox or compressed air.
  • Page 5 Safety considerations her insufficient decompression calculations or a too low calculation of the oxygen-toxicity! – Always check the diving limits considering the oxygen content and standard sports diving procedures (decompression sickness, oxygen toxicity). – Do not dive deeper than 40 metres. –...
  • Page 6 Aladin ® Air Z O – The Diving System Oxy2 (Option) MemoMouse and logbook software DataTrak (Option) Pressure Transmitter (Option) Dive Computer Screen Guard Aladin Air Z O ® (Optional: several colours) Uwatec Aladin Air Z O ® ®...

  • Page 7: Table Of Contents

    List of chapters _______9 4.6 Pairing of press. transmitter and Aladin Air Z O – Introduction ® dive comp. ___________________________40 Aladin ® Air Z O – Introduction __________10 Aladin Air Z O – More Safety in Diving __10 ® Diving with Aladin Air Z O _________41 ®...
  • Page 8 List of chapters Trouble Shooting ____________________91 4.12 Remaining Bottom Time RBT ___65 Trouble Shooting ______________________92 Functions at the Surface 5.1 End of a dive _____________________67 Appendix ___________________________95 VIII 5.2 Desaturation time _________________68 Maintenance _________________________96 5.3 No fly time _______________________68 Technical Information __________________97 5.4 Warning of bubbles ________________69 Conversion of tank pressure ____________98 Diving in Mountain Lakes_______________70...
  • Page 9 I Introduction Aladin Air Z O – Introduction _________________________________________10 ® Aladin ® Air Z O – More Safety in Diving _________________________________________10 Aladin ® Air Z O – Your Personal Companion _________________________________________13 The Calculation Model ZH-L8 ADT 4.1 Description ____________________________14 4.2 Advantages____________________________16 Safety in Diving _________________________________________16 I Uwatec...

  • Page 10: Aladin ® Air Z O 2 - Introduction

    1 Aladin ® Air Z O – Introduction When you dive with an SCR with Oxy2 and Aladin Air Z O you will know your exact decompression, CNS ® clock status, Oxygen fractions and ppO on line and in real time. With Aladin ®...

  • Page 11: Aladin ® Air Z O 2 - More Safety In Diving

    2 Aladin ® Air Z O – More Safety in Diving The higher share of oxygen in the Nitrox-mixture also causes additional physiological problems by the toxic effects at a higher partial pressure of oxygen (ppO ). When breathing oxygen at a higher partial pressure, two kinds of oxygen toxicity can occur: •...
  • Page 12 2 Aladin ® Air Z O – More Safety in Diving 1. Only dive with nitrox or SCR if you have been trained thoroughly by a recognised agency. Only use the pressure transmitter with open breathing systems. Aladin ® Air Z O must be set for a determined gas mixture.

  • Page 13: Aladin Air Z O - Your Personal Companion

    3 Aladin ® Air Z O – Your Personal Companion Aladin ® Air Z O considers your individual gas mixture, depth and time profile, as well as workload and water temperature. Relying on the latest results of medical and physiological research for its decompres- sion modelling, the Aladin ®...

  • Page 14: The Calculation Model Zh-L8 Adt

    3 Aladin ® Air Z O – Your Personal Companion / 4 The Calculation Model ZH-L8 ADT You must strictly observe all optical and acoustic alarms and take appropriate action based upon those alarms to avoid serious injury or death from decom- pression sickness! •...

  • Page 15: Advantages

    4 The Calculation Model ZH-L8 ADT bubbles depending on various assumed influences in arterial and venous blood. In normal, slow ascents, microbubbles form mainly in venous blood. During fast ascents, microbubbles may also form in arterial blood and in the body‘s tissues as well. If a particular dive profile may result in the creation of micro- bubbles according to the Aladin ®...

  • Page 16: Safety In Diving

    4 The Calculation Model ZH-L8 ADT / 5 Safety in Diving • Flying within 24 hours after diving. • Excessive ascent rate. If a diver experiences any of these risk factors while diving, the Aladin ® Air Z O will decrease remaining bottom time without requiring decompression, or will add required decompression time in order to help minimize the risk of decompression sickness.
  • Page 17 II Aladin ® Air Z O – The System Description Structure _________________________________18 Reliability of transmission____________________19 Pressure transmitter and Oxy2 Pressure transmitter operating modes and functions _________________________________20 Oyx2 operating modes and functions _________21 Data transmission and reception _____________22 Dive Computer Operation_________________________________23 Acticve backlight___________________________24 Operating modes __________________________29 Setting Up (Oxy2, press.

  • Page 18: Description

    1 Description 1.1 Structure The Aladin ® Air Z O system consists of four units: The Oxy2 is fitted “in line“ to the inhalation hose of the semi closed rebreather (SCR) and measures the actual oxygen fraction of the inspired gas mixture. This information is transmitted to a paired wireless Aladin ®...

  • Page 19: Reliability Of Transmission

    1 Description 4 The dive computer has a data memory which stores the dive depth dive time data. The data can be downloaded out into a MemoMouse DO NOT FLY from where they can be transmitted to a Windows personal ®...

  • Page 20: Pressure Transmitter And Oxy2

    1 Description 3.Together with the data additional information is transmitted. This additional information allows the Aladin ® Air Z O to reconstruct faulty data and reco- gnize useless data. By means of these redundant measures, faulty transmission is almost impossible. These transmitted measurements are subjected to an additional plausibility check.

  • Page 21: Oyx2 Operating Modes And Functions

    2 Pressure transmitter and Oxy2 Standby-mode: If there is no decrease in tank-pressure (no breathing), the transmission is stop- ped after 3 minutes in order to save energy. Pressure measuring continues. As soon as breathing is resumed the pressure transmitter returns to transmis- sion-mode.

  • Page 22: Data Transmission And Reception

    2 Pressure transmitter and Oxy2 2.3 Data transmission and reception The dive computer can only receive data from the pressure transmitter/Oxy2 if the computer and pressure transmitter/Oxy2 are paired. If the pairing has not been carried out, no gas mixture data will be displayed by the dive computer. In that case, Aladin ®...

  • Page 23: Dive Computer

    3 Dive Computer 3.1 Operation Switching on display: – automatically, on submerging in water or when adaptation to atmospheric pressure is necessary. – manually by manipulating contacts on housing. Switching off display: – automatically, after three minutes without operation. Aladin ®...

  • Page 24: Acticve Backlight

    3 Dive Computer Active backlight The display of the Aladin ® Air Z O can be illuminated both on the surface and underwater. The backlight can be switched on by pressing the unit above the display. The light will turn off automatically after 7 seconds. The backlight can only be activated if the computer display is on.
  • Page 25 3 Dive Computer On page 2 of the English manual you will find a refe- rence guide. depth dive time On page 3 of the German manual you will find an openable operating scheme. 1. The Aladin ® Air Z O is in a state of rest;...
  • Page 26 3 Dive Computer 4a Selecting the logbook function: depth dive time depth dive time DO NOT FLY B and + CNS O LIMIT Cancel: B and – % MIX % MIX % MIX % MIX DESATURATION or automatically after three minutes max.
  • Page 27 3 Dive Computer 4c Leaving the logbook: depth dive time B and E or automatically after three minutes. LOGBOOK max. depth deco info depth dive time depth dive time DO NOT FLY CNS O LIMIT % MIX % MIX % MIX % MIX 5a Selecting the O % Mix function:...
  • Page 28 3 Dive Computer 5b Activating the O % Mix function: B and E By B and + or B and – the percentage of oxygen depth dive time is set. % MIX % MIX max. depth deco info 5c Leaving the O % Mix function: B and E or automatically after three minutes...

  • Page 29: Operating Modes

    3 Dive Computer 3.2 Operating modes Aladin ® Air Z O works in various operating modes: Sleep-mode: depth dive time Activation: automatically When Aladin ® Air Z O is not used, it is in the sleep-mode. The display does not show any information. The computer is briefly activated once every minute to measure atmospheric pressure.
  • Page 30 3 Dive Computer Dive-mode: Activation: automatically at depth of about 0.5 m. In dive-mode, all diving functions are monitored, i.e. depth and dive time are displayed, maximum depth is stored, saturation of tissues is calculated depending on workload and temperature, no-stop time or decompression prognosis is determined, ascent rate is controlled and displayed and the correctness of the decompression procedure is supervised.
  • Page 31 3 Dive Computer Surface-mode: depth dive time Activation: automatically after a dive or when changing altitude. DO NOT FLY After a dive has been completed, Aladin ® Air Z O is in surface-mode. All data CNS O LIMIT belonging to the surface interval are calculated and displayed: simulation of % MIX % MIX microbubble formation, actualization of oxygen toxicity and nitrogen saturation...
  • Page 32 3 Dive Computer %-mix-mode (only if no Oxy2 is used): depth dive time Activation: manually by contacts The O -mix-mode is used to enter the oxygen percentage of the used gas mixture. Values between 21% O and 99% O can be entered. If a pressure % MIX % MIX transmitter is used, this value is the basis for all calculations.
  • Page 33 3 Dive Computer SOS-mode: depth dive time Activation: automatically DO NOT FLY If the diver remains above a depth of 0,5 metres for more than three minutes CNS O LIMIT without observing the prescribed decompression, the computer switches into % MIX SOS-mode after the dive and displays <SOS>...

  • Page 34: Setting Up

    4 Setting Up (Oxy2, Pressure transmitter and Dive Computer) 4.1 Fitting the Oxy2 to a rebreather The Oxy2 is fitted “in line“ to the inhalation hose of the semi closed rebreather (SCR). To get an optimal transmission, the Oxy2 has to be aligned as shown: Position for right side inhalation Position for left side inhalation hose and lefthanders.

  • Page 35: Fitting Of Pressure Transmitter

    4 Setting Up (Oxy2, Pressure transmitter and Dive Computer) 4.2 Fitting of pressure transmitter The transmitter is fitted at the high pressure (HP) outlet of the regulator’s first stage before the first dive. Procedure: (Adaptor) Fit the transmitter to the Tighten the transmitter by Do not hold the pressure HP-outlet.
  • Page 36 4 Setting Up (Oxy2, Pressure transmitter and Dive Computer) It is advisable to mount the transmitter on the same side that the computer is located. This is the optimal position for transmission. Position of the pressure Position of the pressure trans- transmitter for right-handers.

  • Page 37: Remarks About Pairing

    4 Setting Up (Oxy2, Pressure transmitter and Dive Computer) 4.3 Remarks about pairing In order to be sure that Aladin ® Air Z O receives and uses the data of its own pressure transmitter, or Oxy2, the units must be paired to each other. Pairing is necessary: –...

  • Page 38: How To Check That The Computer Is Paired Correctly

    4 Setting Up (Oxy2, Pressure transmitter and Dive Computer) 4.4 How to check that the computer is paired correctly: Oxy2 and dive computer 1. Switch on the Oxy2 and the dive computer. tank data 2. Compare the lower part of the dive computer with the Oxy2 display. Pairing has been carried out correctly if the oxygen data is displayed within approximately 10 to 15 seconds.
  • Page 39 4 Setting Up (Oxy2, Pressure transmitter and Dive Computer) Oxy2 and dive computer must be in physical contact during all the pairing procedure. 3. Bridge the Oxy2 contacts E and B (switching on, sensor capacity check). 4. The dive computer shows after a short time a flashing <PAIr> in the lower tank data display.

  • Page 40: Pairing Of Press. Transmitter And Dive Comp

    4 Setting Up (Oxy2, Pressure transmitter and Dive Computer) 4.6 Pairing of pressure transmitter and dive computer 1. Shut the valve, purge the regulator and wait for 15 seconds. 2. Switch on the dive computer (contacts B and E) and move it into the position shown below. Pressure transmitter and dive computer must be in physical contact during all the pairing procedure.

  • Page 41: Diving With Aladin Air Z O

    III Diving with Aladin ® Air Z O Terminology/Symbols Deco data during no-stop phase _____________42 Display during decompression phase __________43 Indications on the lower display ______________43 Nitrox information _________________________44 Attention Messages and Alarms Attention Messages ________________________46 Alarms ___________________________________49 Alarm low battery__________________________51 Preparation for a Dive Preparation for a Dive with Oxy2 _____________51 Preparation for a Dive with press.

  • Page 42: Terminology/Symbols

    1 Terminology/Symbols The information on the display of the Aladin Air Z O varies depending on the kind of dive and the dive ® phase. 1.1 Deco data during no-stop phase No-stop phase: Dive phase during which ascent is allowed without decompression stops. Dive time: Time of the dive below depth of 1.2 m.

  • Page 43: Display During Decompression Phase

    1 Terminology/Symbols 1.2 Display during decompression phase Decompression depth: Lowest stage is displayed. Decompression time: Prescribed duration of the decompression stop at the displayed decom- pression stage. Total ascent time to surface: Total ascent time including decompression stops. CNS O LIMIT: Oxygen toxicity.

  • Page 44: Nitrox Information

    1 Terminology/Symbols tank data Tank pressure: Only available if a pressure transmitter is used. RBT: (Remaining Bottom Time) time, for which the gas mixture supply is sufficient at the current depth, until ascent must be started (only with pressure transmitter). Illustration on page 43 and explanation on page 65.
  • Page 45 1 Terminology/Symbols Maximum allowable partial pressure of oxygen: The higher the percen- tage of oxygen in the used mixture, the smaller the dive depth at which the tolerable partial pressure of oxygen (ppO max) is reached. Default setting is a limit of 1.5 bar, it can be changed with the DataTalk-program in the range of 1.2 to 1.95 bar.

  • Page 46: Attention Messages And Alarms

    2 Attention Messages and Alarms Aladin Air Z O draws the diver’s attention to certain situations and warns the diver of unsafe diving ® practices. Attention messages and alarms are always optical and acoustic underwater, at the surface they are only optical except for the decompression alarm and low oxygen fraction (<19% O , Oxy2 only).
  • Page 47 2 Attention Messages and Alarms Oxygen toxicity Oxygen toxicity of 75% is reached. Avoid a further increase of the value by 4 sec beginning the ascent. depth dive time tank data tank data CNS O LIMIT NO STOP max. depth deco info Remaining bottom time less than 3 minutes Start ascent.
  • Page 48 2 Attention Messages and Alarms Warning of bubbles depth dive time Extension of the surface interval is recommended. See pages 69 and 78. DO NOT FLY CNS O LIMIT % MIX % MIX DESATURATION max. depth deco info One O -sensor measures wrong 4 sec The Oxy2 continues to work.

  • Page 49: Alarms

    2 Attention Messages and Alarms 2.2 Alarms Alarms are given to the diver optically by flashing symbols, letters or figures and symbols. In addition, an acoustic sequence in one frequency can be heard during the whole duration of the alarm. An alarm occurs in the following situations: Excessive ascent rate.
  • Page 50 2 Attention Messages and Alarms depth dive time Oxygen toxicity The oxygen toxicity reaches 100%. Start ascent at CNS O LIMIT once! Oxygen toxicity reaching 100% can lead to danger- % MIX ous neurological symptoms. See also page 79. NO STOP max.

  • Page 51: Alarm Low Battery

    2 Attention Messages and Alarms / 3 Preparation for the Dive 2.3 Alarm low battery Dive computer battery low: depth dive time depth dive time In dive-mode, <bAT> is indicated by a flashing dis- play and alternating with the display of maximum depth as soon as battery capacity is 0%.

  • Page 52: Preparation For The Dive

    3 Preparation for the Dive 1. Switch on the Oxy2 and check it according to the Oxy2 manual. depth dive time 2. Switch on the Aladin Air Z O manually by bridging the contacts B and E ® DO NOT FLY DIVEPLAN with moistened fingers.

  • Page 53: Preparation For A Dive With Press

    3 Preparation for the Dive – In extremely pure freshwater, it is possible that the Aladin ® Air Z O will not automatically activate the dive-mode. 3.2 Preparation for a Dive with pressure transmitter The following description of the preparation of a dive is based on the assumption that the pressure trans- mitter is mounted correctly at the HP-outlet of the regulator (see pages 36, 37) and that it is paired with Aladin ®...

  • Page 54: Setting The Gas Mixture

    3 Preparation for the Dive 5. Check transmission from transmitter to dive computer. tank data Check tank pressure (after approx. 10 seconds). If not enough pressure is indi- cated, change tank. 6. The Aladin ® Air Z O is now in ready-mode. depth dive time It switches on automatically on being submerged in water and activates dive-...

  • Page 55: Functions During The Dive

    3 Preparation for the Dive / 4 Functions during the Dive 4. Bridging B and + will increase the percentage of oxygen (from 21% to 99%), depth dive time bridging B and – decreases the percentage of oxygen. % MIX % MIX max.

  • Page 56: Current Depth

    4 Functions during the Dive 4.2 Current depth Current depth is given in 10 cm-increments. On switching on and at a diving depth of less than 0.5 metres the void display <---> appears. Depth measurement is based on fresh- depth dive time depth dive time...

  • Page 57: Ascent Rate

    4 Functions during the Dive 4.4 Ascent rate Optimal ascent rate varies depending on depth between 7 and 20 m/min. It is displayed in percent of the reference variable. If the ascent rate is greater than 100% of the set value, the black arrow <SLOW> appears. If the ascent rate depth dive time exceeds 140%, the arrow starts flashing.
  • Page 58 4 Functions during the Dive Messages: Ascent rate Optical Acoustic alarm alarm SPEED SPEED SPEED SPEED Excessive ascent rates for longer periods are entered in the logbook. Response: Reduce ascent rate III Uwatec Aladin Air Z O ® ®...

  • Page 59: Partial Pressure Of Oxygen (Ppo )

    4 Functions during the Dive 4.5 Partial pressure of oxygen (ppO The tolerable partial pressure of oxygen can be set by means of a MemoMouse 4 sec and the DataTalk software to between 1.2 and 1.95 bar (see page 88). The set depth dive time value is not displayed.
  • Page 60 4 Functions during the Dive Messages: An acoustic signal is sent if oxygen toxicity reaches 75%. The 4 sec symbol <CNS O LIMIT> flashes continuously. The ascent arrow depth dive time and the O -alarm-triangle is shown. CNS O LIMIT Response: Go to a shallower depth if necessary.

  • Page 61: Oxygen Fraction Of The Inspired Gas Mixture

    4 Functions during the Dive 4.7 Oxygen fraction of the inspired gas mixture The Oxy2 measures in the inhalation hose of a SCR the actual oxygen fraction tank data of the gas mixture. The measured value is transmitted every 5 seconds to the Aladin Air Z O which displays the rounded (1%) value.
  • Page 62 4 Functions during the Dive Messages: 4 sec There is an acoustic signal if no-stop time is less than 1 minute. In depth dive time this last minute, the no-stop display shows the flashing value <0>. Response: CNS O LIMIT In order to prevent a decompression dive, you must ascend a few % MIX metres after this message.

  • Page 63: Tank Pressure

    4 Functions during the Dive Response: Descend to the prescribed decompression depth immediately! Total time of ascent As soon as decompression stops are necessary, Aladin ® Air Z O shows the total time of ascent. The time of ascent to the first decompression stage and all depth dive time decompression stops are included.

  • Page 64: Increased Workload Warning

    4 Functions during the Dive 4.10 Increased workload warning Messages: In case of increased workload, the Aladin ® Air Z O displays a 4 sec lung symbol in the lower display and an acoustic warning occurs. tank data Response: In order to prevent additional saturation, reduce exertion and breathe more slowly.

  • Page 65: Remaining Bottom Time Rbt

    4 Functions during the Dive 4.12 Remaining bottom time RBT (only with pressure transmitter) RBT is the time left at the current depth until the point of time when the ascent must be started. The RBT is shown in the lower display. The RBT is calculated on the basis of the current tank pressure, the tempe- rature, and the dive data so far registered.
  • Page 66 4 Functions during the Dive The acoustic alarm on exceeding the RBT is suppressed at depths less than 7 metres if Aladin ® Air Z O is in the no-stop phase. Messages: If the RBT drops below three minutes, an acoustic attention signal is activated, the ascent arrow is displayed and and the RBT (figures only) starts flashing.

  • Page 67: Functions At The Surface

    5 Functions at the Surface 5.1 End of a dive After reaching the surface, Aladin ® Air Z O switches into wait-mode depth depth dive time dive time automatically for five minutes. This is the time span necessary to recognize the end of the dive. The delay allows for surfacing for a short period for orientation or for a change of tank.

  • Page 68: Desaturation Time

    5 Functions at the Surface 5.2 Desaturation time When <DESATURATION> appears, the Aladin ® Air Z O is in surface-mode. depth dive time Desaturation time in hours and minutes, the set mixture (percentage of oxygen) DO NOT FLY and, if available, oxygen toxicity is displayed next to it. Desaturation time is CNS O LIMIT continually indicated until the next dive or until it reaches zero.

  • Page 69: Warning Of Bubbles

    5 Functions at the Surface Flying while the Aladin ® Air Z O displays <DO NOT FLY> may lead to serious injury or death from decompression sickness. For the calculations of the desaturation and No Fly Time it is assumed that the diver inhales air.

  • Page 70: Diving In Mountain Lakes

    6 Diving in Mountain Lakes Aladin Air Z O measures the atmospheric pressure even while in sleep-mode. ® depth dive time If the computer detects a higher altitude, it switches into surface-mode auto- matically. Desaturation time indicated at this moment refers to adaptation time at this altitude.
  • Page 71 6 Diving in Mountain Lakes In order to assure optimal decompression even at higher altitudes, the 3 m decompression stage is divided into a 4 m stage and a 2 m stage (the pescribed decompression depths are, in sequence, 2 m, 4 m, 6 m, 9 m). Aladin ®...
  • Page 72 III Uwatec Aladin Air Z O ® ®...

  • Page 73: Diving At Reduced Risk With Aladin

    IV Diving at Reduced Risk with Aladin ® Air Z O Diving at reduced risk with Aladin Air Z O ® Diving at reduced risk ______________________74 Diving at reduced risk for the first dive ________74 Minimizing risk on repetitive dives ____________75 Response in increased risk situations __________76 IV Uwatec Aladin...

  • Page 74: Diving At Reduced Risk With Aladin

    1 Diving at Reduced Risk with Aladin ® Air Z O 1.1 Diving at reduced risk Aladin Air Z O recognizes and reacts “intelligently“ to certain risk situations, although of course it is ® much better that each individual diver avoid these higher risk situations altogether. If a decompression accident does occur, the optional MemoMouse and DataTrak software allows the analysis of the dive profile and certain risk parameters to provide for more complete information for treatment purposes.

  • Page 75: Minimizing Risk On Repetitive Dives

    1 Diving at Reduced Risk with Aladin ® Air Z O – If the ascent arrow appears, start ascending. – If the flashing ascent arrow appears, start to ascend at once. – Observe <CNS O LIMIT> (ascend at 75%). – Comply with the ascent rate and decompression stops if any. –...

  • Page 76: Response In Increased Risk Situations

    1 Diving at Reduced Risk with Aladin ® Air Z O – Descend less deep for the repetitive dive than for the previous dive. – Plan for a minimum surface interval of three to four hours. – Do not attempt to repetitive dive if the <Atn> is visible on the display. –...
  • Page 77 1 Diving at Reduced Risk with Aladin ® Air Z O Situation 2: The diver disregards the prescribed decompression depth. Reaction of computer: The model calculates the formation of bubbles due to ignoring decompression. A longer (and eventually at greater depth) decompression is displayed in order to assure sufficient time for desaturation.
  • Page 78 1 Diving at Reduced Risk with Aladin ® Air Z O Situation 3: The diver is physically exerting himself or herself, (e. g. swimming against the current). Reaction of computer: A shorter RBT or an extension of decompression time. See page 47 and 64. Recommended response of the diver During the dive: •...
  • Page 79 1 Diving at Reduced Risk with Aladin ® Air Z O Situation 5: <CNS O %-value> reaches 100%. Reaction of computer: An acoustic and visual alarm is given. The CNS O %-value, the ascent arrow and the O -warning triangle are flashing. See also page 50, 59 and 60. Recommended response of the diver Ascend immediately until ppO is less then 0.5 bar and the buzzer stops.
  • Page 80 1 Diving at Reduced Risk with Aladin ® Air Z O Situation 7: fraction too low (less than 19%) Reaction of computer: Every 4 seconds an acoustic alarm is given, the O -warning triangle is flashing. See page 50 and 61. Recommended response of the diver: During the dive: Flush the SCR and check the tank pressure! If necessary switch to the backup...

  • Page 81: Logbook

    V Logbook Survey _________________________________________82 Selection and Activation _________________________________________83 Selection of Dive _________________________________________84 Leaving the Logbook-Mode _________________________________________85 Output on PC _________________________________________86 V Uwatec Aladin Air Z O ® ®...

  • Page 82: Survey

    1 Survey The Aladin Air Z O records the last 37 dives and the dive profiles of the last 175 minutes of diving ® (see „Output on PC“ page 86). The last 19 dives can be displayed directly on the dive computer. A dive is only entered in the logbook if the dive time is longer than 2 minutes.

  • Page 83: Selection And Activation

    2 Selection and Activation 1. The logbook is selected by bridging contacts B depth dive time depth dive time and + in ready- or surface-mode. Indication DO NOT FLY DO NOT FLY <LOGBOOK> appears. If Aladin ® Air Z O CNS O LIMIT been in surface-mode before, the surface interval...

  • Page 84: Selection Of Dive

    3 Selection of Dive 1. Bridge contacts B and + to get the information of the dive preceding the depth dive time most recent one. Display <DIVE 2> appears. DO NOT FLY LOGBOOK 2. On additional bridging of B and + the logbook jumps to the next older dive (DIVE 3).

  • Page 85: Leaving The Logbook-Mode

    4 Leaving the Logbook-Mode Touch contacts B and E. depth dive time Aladin ® Air Z O switches back into ready- or sur- face-mode. This also happens 3 minutes after last activating logbook-mode. max. depth deco info tank data or after 3 minutes depth dive time depth...

  • Page 86: Output On Pc

    5 Output on PC The Aladin Air Z O stores data of the last 37 dives including a total of approximately 175 minutes of dive ® profiles from the last dives. This information can be downloaded into a Memo Mouse (optional), which stores up to approximately 58 dive hours.

  • Page 87: Communication Software For Windows

    VI Communication software for Windows ® MemoMouse, DataTrak and DataTalk Personal programming of the dive computer (DataTalk) ___________________ 88 Analysis and storage of real dives (DataTrak) ___________________________ 89 Updates (DataTrak, DataTalk) ________________ 89 VI Uwatec Aladin Air Z O ® ®...

  • Page 88: Memomouse, Datatrak And Datatalk

    1 MemoMouse, DataTrak and DataTalk The Aladin Air Z O is able to communicate with a personal computer. The connection is established ® by contact sensors and the MemoMouse. The MemoMouse and the PC software DataTrak and DataTalk is available as an option. For the Aladin ®...

  • Page 89: Analysis And Storage Of Real Dives (Datatrak)

    1 MemoMouse, DataTrak and DataTalk 1.2 Analysis and storage of real dives (DataTrak) The last approx. 175 minutes of dive time are stored by the dive computer in increments of 20 seconds and can be transferred to the PC. The DataTrak software allows the representation and analysis of the profiles.
  • Page 90 VI Uwatec Aladin Air Z O ® ®...

  • Page 91: Trouble Shooting

    VII Trouble Shooting Trouble Shooting ________________________________________ 92 VII Uwatec Aladin Air Z O ® ®...

  • Page 92: Trouble Shooting

    VII Trouble Shooting symptom possible reason(s) response No reception of the tank and computer are not tuned Pair transmitter and computer pressure-/oxygen data to each other (paired) (see page 38-40). or receiver in the computer If pairing is not possible with another are defective.
  • Page 93 VII Trouble Shooting symptom possible reason(s) possible reason(s) By compensating for temperature, the Make comparison at 20 °C or check Displayed tank pres- pressure displayed is valid at 20 °C. the tank pressure compensated to sure does not corres- If the gas or water temperature differ the atmospheric pressure for compa- pond to pressure mea- from this value, a difference to the...
  • Page 94 VII Trouble Shooting symptom possible reason(s) response Desaturation time and/ Too many repetitive dives, yo-yo- Plan sufficiently long surface interval or no fly time are very diving, square profile repetitive dives and dives at lower risk. long. or disregarding decompression stops. Dissolved nitrogen and/or microbub- bles must be off gassed first.

  • Page 95: Appendix

    VIII Appendix VIII Maintenance ________________________________________ 96 Technical Information ________________________________________ 97 Conversion of tank pressure _________________________________________98 Warranty Recognition of warranty ____________________ 99 Scope of the warranty _____________________ 99 Warranty period and claim __________________ 99 Safety considerations _______________________________________ 100 Serial No. / Dealer address _______________________________________ 102 VIII Uwatec Aladin...

  • Page 96: Maintenance

    1 Maintenance Your Aladin ® Air Z O is virtually maintenance free. All you need to do is to rinse it carefully with fresh water after each use and to have the batteries changed when needed. To avoid possible problems with your Aladin ®...

  • Page 97: Technical Information

    2 Technical Information VIII Operating altitude: with decompression information: sea level up to approx. 4000 metres without decompression information: unlimited Operating depth: No limit for recreational dives. • Always check the diving limits given by the chosen percentage of oxygen (decompression sickness, oxygen toxicity).

  • Page 98: Conversion Of Tank Pressure

    Conversion of tank pressure Tank pressure indicated in the lower display may diverge from the information given by a manometer/ depth gauge. Aladin ® Air Z O always displays pressure converted to a temperature of 20 °C, whereas the mechanical depth gauge displays the actual pressure influenced by temperature. The figure on the right allows you to compare the information given by a conventional depth gauge and by Aladin ®...

  • Page 99: Warranty

    4 Warranty VIII Please pay attention to the following remarks on warranty claims: 4.1 Recognition of The warranty only covers dive computers which have been provably bought warranty from an authorized retailer or from the manufacturer. 4.2 Scope of the The manufacturer will repair all defects which are provably traceable to defects warranty of material or faults in production.

  • Page 100: Safety Considerations

    5 Safety considerations The Aladin ® Air Z O with an Oxy2 or a pressure transmitter gives to the diver a high level of reassurance and safety. However these units can never be a substitute for a thorough diving education. Pay careful attention to warnings given by the Aladin ®...
  • Page 101 VIII VIII Uwatec Aladin Air Z O ® ®...

  • Page 102: Serial No. / Dealer Address

    6 Serial No. / Dealer address Serial No. of your Aladin Air Z O ® Dealer address: (Dealer to affix stamp) VIIIUwatec Aladin Air Z O ® ®...

  • Page 103: Index

    IX Index Active backlight___________________________24 Gas mixture, setting _______________________53 Alarms __________________________________49 Interruption of transmission __________47, 64, 92 Ascent rate ____________________16, 49, 57, 76 Logbook_______________________13, 26, 82, 86 Atn ______________________________69, 78, 94 Maintenance _____________________________96 Maximum depth __________________________56 Attention messages _______________________46 MemoMouse ______________________19, 86, 88 Backlight ________________________________24 Microbubbles _________________________14, 15 Battery lifetime ___________________________97...
  • Page 104 Index Pressure transmitter, fitting _________________35 Pressure transmitter, preparation of a dive with 53 RBT ___________________ 13, 43, 47, 49, 65, 94 Ready-mode _____________________________29 Remaining bottom time, see RBT Risk, diving at reduced risk ______________74-76 Safety diving ______________4, 5, 10, 74-46, 100 Sleep-mode ______________________________29 SOS-mode _______________________________33 Surface interval ___________________________78...

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