Uwatec Aladin Pro Nitrox Operating Manual
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Uwatec Aladin Pro Nitrox Operating Manual

Uwatec Aladin Pro Nitrox Operating Manual

Uwatec aladin pro nitrox dive computer
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THE SYSTEM
®
SWISS MADE BY UWATEC AG

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Summary of Contents for Uwatec Aladin Pro Nitrox

  • Page 1 THE SYSTEM ® SWISS MADE BY UWATEC AG...

  • Page 2: Safety Considerations

    Safety considerations You must carefully read this entire manual before using your Aladin ® Pro Nitrox. Diving has many inherent risks. Even if you follow the instructions of this manual in a careful fashion, it is still possible that you may be seriously injured or die from decompression sickness, oxygen toxicity or some other inherent risk of scuba nitrox.
  • Page 3 Aladin ® Pro Nitrox–The Diving System – Interface and logbook software DataTrak (Option) ® Dive Computer Aladin Pro Nitrox ® Operating Manual Aladin Pro Nitrox...

  • Page 4: Important Remarks Concerning Signal Words And Symbols

    The following symbols are used in the operating manual: Flashing display Acoustic alarm signal Operating instruction for manual input (Example: bridging contacts B and E) – + E February 1996, Copyright by Uwatec Switzerland ® Operating Manual Aladin Pro Nitrox...
  • Page 5 Safety considerations ® Guidelines for the use of Aladin Pro Nitrox: The following guidelines for using Aladin ® Pro Nitrox are derived from the latest medical research for diving with diving computers. Following these guidelines will greatly increase your safety while diving, but cannot guarantee that decompression sickness will not occur.
  • Page 6 Safety considerations – All divers using dive computers to plan dives and indicate or determine decompression status must use their own computer. – If the Aladin ® Pro Nitrox fails at any time during the dive, the dive must be terminated, and appropriate surfacing procedures (including a slow ascent and a 3 to 5 minute safety stop) should be initiated immediately.
  • Page 7 LIST OF CHAPTERS INTRODUCTION ALADIN ® PRO NITROX – THE SYSTEM DIVING WITH ALADIN ® PRO NITROX IV DIVING AT REDUCED RISK WITH ALADIN ® PRO NITROX LOGBOOK VI DIVE PLANNER VII INTERFACE DATATRAK / DATATALK VIII TROUBLE SHOOTING VIII IX APPENDIX, Maintenance, Technical Information, Warranty...

  • Page 8: I Introduction

    I INTRODUCTION ® 1 Aladin Pro Nitrox: Introduction ______________________________________ 2 2 Aladin ® Pro Nitrox – More Safety in Diving ______________________________________ 3 3 Aladin ® Pro Nitrox – Your Personal Companion ______________________________________ 6 4 The Calculation Model ZH-L8 ADT 4.1 Description _________________________ 7 4.2 Advantages ________________________ 9 5 Safety in Diving _____________________________________ 10...
  • Page 9 1 Aladin ® Pro Nitrox – Introduction What can further increase your diving pleasure? The provided you carefully follow the instructions good feeling of having the highest possible safety and and guidelines given you in this manual. freedom to move. A dive computer which constantly Unlike previous diving...

  • Page 10: Aladin ® Pro Nitrox – More Safety In Diving

    2 Aladin ® Pro Nitrox – More Safety in Diving CNS damages: Nitrox is a gas mixture consisting of nitrogen and Symptoms of poisoning occuring at short notice in oxygen. The kind of air used for diving with the central nervous system(CNS). Such symptoms compressed air is the same as the normal air of the are: irritations of the respiratory organs, sickness, earth‘s atmosphere (78% nitrogen, 21% oxygen and...
  • Page 11 2 Aladin ® Pro Nitrox – More Safety in Diving for the central nervous system). CNS O LIMIT 0% when diving with nitrox. Therefore, we recommend corresponds to the normal state before the first dive, strict adherence to the following guidelines. and CNS O LIMIT 100% corresponds to the critical upper limit.
  • Page 12 2 Aladin ® Pro Nitrox – More Safety in Diving 4. Aladin ® Pro Nitrox always calculates considering the gas mixture set by the user. It is essential to check the mixture calculation before each dive and to compare it to the gas mixture to be used. Maximum deviation from the mixture calculation must not exceed 1% O .
  • Page 13 3 Aladin ® Pro Nitrox – Your Personal Companion Aladin ® Pro Nitrox considers your individual gas You must strictly observe all optical and mixture, depth and time profile and water temper- acoustic alarms and take appropriate ature. Relying on the latest results of medical and action based upon those alarms to avoid physiological research for its decompression modelling, serious...
  • Page 14 4 The Calculation Model ZH-L8 ADT 4.1 Description Decompression information is calculated according ® The Aladin Pro Nitrox uses a new decompression to the diver‘s individual behaviour and decrease in calculation model known as the ZH-L8 ADT. This model skin temperature. The decrease in skin temperature uses eight compartments or “tissue“...
  • Page 15 4 The Calculation Model ZH-L8 ADT 2. The decompression model used by the Aladin ® blood as well as in the body‘s tissues. If these Nitrox considers nitrogen in both its dissolved as microbubbles partially impair circulation, the rate well as its gaseous phase (microbubbles). Formati- of gas diffusion and saturation tolerance for those on of microbubbles is considered to be a strong tissues immediately surrounding this area of...

  • Page 16: Advantages

    4 The Calculation Model ZH-L8 ADT 4.2 Advantages diving, the Aladin ® Pro Nitrox will add required On the first dives following responsible diving procedures, decompression time in order to help minimize the risk a diver using the Aladin ® Pro Nitrox should never require of decompression sickness.

  • Page 17: Safety In Diving

    5 Safety in Diving corrected ascent instructions. Of course, the Aladin ® Pro Nitrox can do nothing to prevent the occurrence of lung overexpansion injuries or nitrogen narcosis, whose avoidance lies solely with the individual diver. The Aladin ® Pro Nitrox is a highly sophisticated technical instrument which, if used and maintained properly, will have high reliability.

  • Page 18: Table Of Contents

    ® II ALADIN PRO NITROX – THE SYSTEM 1 Description _____________________________________ 12 2 Dive Computer 2.1 Operation _____________________________ 14 2.2 Operating scheme for surface functions ____ 15 2.3 Operating modes _______________________ 21 ® II Aladin Pro Nitrox - The System...

  • Page 19: Aladin ® Pro Nitrox - The System

    1 Description ® The Aladin Pro Nitrox system consists of two units: 1 The dive computer displays the dive and decom- pression data. depth dive time CNS O LIMIT NO STOP max. depth deco info ® II Aladin Pro Nitrox - The System...
  • Page 20 1 Description 2 The dive computer has a data memory which stores the dive data. The data can be transmitted to a MS-DOS personal computer with the logbook pro- gram DataTrak via an interface (available as an option). ® II Aladin Pro Nitrox - The System...

  • Page 21: Dive Computer

    2 Dive Computer 2.1 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 Pro Nitrox has 4 operating contacts B, E, +, –...

  • Page 22: Operating Scheme For Surface Functions

    2 Dive Computer 2.2 Operating scheme for surface functions B and E B and + B and – Sleep Surface Sleep Input stage Input stage Input stage Ready or Surface % MIX DIVEPLAN LOGBOOK (or 3min) (or 3min) (or 3min) 5sec % MIX Battery...
  • Page 23 2 Dive Computer ® Aladin Pro Nitrox is in a state of rest; no depth dive time information is displayed (-> sleep-mode or -> surface-sleep-mode). max. depth deco info 2. Bridging B and E activates the display -> ready- depth dive time depth dive time...
  • Page 24 2 Dive Computer depth dive time depth dive time DO NOT FLY CNS O LIMIT % MIX % MIX DESATURATION max. depth deco info max. depth deco info Ready-mode Surface-mode 4.a) Selecting the logbook function: B and + Cancel: B and – depth dive time or automatically after three minutes...
  • Page 25 2 Dive Computer depth dive time LOGBOOK max. depth deco info 4.c) Leaving the logbook: B and E or automatically after three minutes. depth dive time depth dive time DO NOT FLY CNS O LIMIT % MIX % MIX DESATURATION max.
  • Page 26 2 Dive Computer 5.b) Activating the O % Mix function: B and E By B and + or B and – the percentage of oxygen is set. depth dive time max. depth deco info or after 3 minutes 5.c) Leaving the O % Mix function: depth dive time...
  • Page 27 2 Dive Computer 6.a) Selecting the dive-plan function From ready or surface mode: Twice B and – depth dive time Cancel: Twice B and + DIVEPLAN or automatically after three minutes without operation. max. depth deco info 6.b) Activating the dive-plan ®...

  • Page 28: Operating Modes

    2 Dive Computer ® 2.3 Operating modes Aladin Pro Nitrox works in various operating modes: Sleep-mode: depth dive time Activation: automatically ® When Aladin Pro Nitrox 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 29 2 Dive Computer ® After activation the Aladin Pro Nitrox switches into ready-mode. Once in ready- depth dive time mode, the display is switched on and the set percentage of oxygen is shown. In certain circumstances altitude sections are also displayed. % MIX ®...
  • Page 30 2 Dive Computer Dive-mode: depth dive time 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, no-stop % MIX time or decompression prognosis is determined, ascent rate is controlled and max.
  • Page 31 2 Dive Computer Surface-mode: depth dive time DO NOT FLY Activation: automatically after a dive or when changing altitude. ® CNS O LIMIT After a dive has been completed, Aladin Pro Nitrox is in surface-mode. All data belonging to the surface interval are calculated and displayed: simulation of % MIX DESATURATION microbubble formation, actualization of oxygen toxicity and nitrogen saturation...
  • Page 32 2 Dive Computer Logbook-mode: depth dive time DO NOT FLY Activation: manually by contacts LOGBOOK CNS O LIMIT Data of 19 past dives can be called up in the logbook-mode. It shows maximum depth, dive time, preceding interval, altitude sections and, where appropriate, % MIX alarms.
  • Page 33 2 Dive Computer Diveplan-mode: Activation: manually by contacts depth dive time DO NOT FLY The diveplan-mode serves the planning of a future dive. It allows the planning of DIVEPLAN no-stop dives and decompression dives with determinable depth, dive time and CNS O LIMIT composition of the gas mixture.
  • Page 34 ® III DIVING WITH ALADIN PRO NITROX 1 Terminology/Symbols 1.1 Display during no-stop phase ____________ 28 1.2 Display during decompression phase ______ 29 1.3 Nitrox information _____________________ 30 2 Attention Messages and Alarms 2.1 Attention messages ____________________ 32 2.2 Alarms _______________________________ 35 2.3 Alarm low battery _____________________ 37 3 Preparation for the Dive 3.1 Switching on _________________________ 38...

  • Page 35: Display During No-Stop Phase

    1 Terminology/Symbols ® The information on the display of the Aladin Pro Nitrox varies depending on the kind of dive and the dive phase. 1.1 Display 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 36: 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 decompression stage. Total ascent time to surface: Total ascent time including decompression stops. CNS O % Limit: Oxygen toxicity (7 min) total ascent time to surface depth...

  • Page 37: Nitrox Information

    1 Terminology/Symbols 1.3 Nitrox information (O information) For dives with compressed air in normal recreational diving nitrogen is the decisive gas for the decompression calculations. When diving with nitrox, the toxicity of oxygen rises with the increase of the portion of oxygen ®...
  • Page 38 1 Terminology/Symbols Nitrox diving may only be attempted by experienced divers with special training. Toxizität sinkt 0,5 bar Toxizität steigt CNS O LIMIT ® III Diving with Aladin Pro Nitrox...

  • Page 39: Attention Messages

    2 Attention Messages and Alarms ® Aladin Pro Nitrox 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 under water, only optical at the surface except the decompression alarm. The acoustic attention messages (but not the alarms) can be switched off (see chapter VII Interface page 82).
  • Page 40 2 Attention Messages and Alarms Partial pressure of oxygen reaches limit 4 sec The partial pressure of oxygen reaches the set value (to be set not higher than depth dive time 1.6 bar by interface and DataTalk-software) % MIX NO STOP max.
  • Page 41 2 Attention Messages and Alarms depth dive time Warning of bubbles DO NOT FLY Extension of the surface interval is recommended. See pages 52 and 75. CNS O LIMIT % MIX DESATURATION max. depth deco info Serious injury or death may result from failing to immediately respond to alarms ®...

  • Page 42: 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 43 2 Attention Messages and Alarms Ignoring decompression stop depth dive time Descend to the prescribed decompression CNS O LIMIT depth at once! DECOSTOP max. depth deco info ® III Diving with Aladin Pro Nitrox...

  • Page 44: Alarm Low Battery

    0%. In ready-mode and surface-mode, <bAT> is shown NO STOP NO STOP instead of maximum depth. Take the unit to your max. depth deco info max. depth deco info authorized Uwatec Dealer! ® III Diving with Aladin Pro Nitrox...

  • Page 45: Switching On

    3 Preparation for the Dive 3.1 Switching on 1. Switching on Aladin ® Pro Nitrox manually: Bridge contacts B and E with moistened fingers. Check test display: are all displays lit? depth dive time DO NOT FLY DIVEPLAN LOGBOOK CNS O LIMIT % MIX SPEED...

  • Page 46: Setting Gas Mixture

    3 Preparation for the Dive 3.2 Setting the gas mixture Before every dive, you must check if the setting of the gas mixture (percentage of ® oxygen) on your Aladin Pro Nitrox corresponds to the mixture in your tank. Reset the mixture if necessary: 1 Switch on computer manually and check the set percentage of oxygen (O %MIX).

  • Page 47: Dive Time

    4 Functions during the Dive 4.1 Dive time The whole time spent below a depth of 1.2 metres is displayed as dive time in minutes. While the dive time is running, the colon on the right of the figures is flashing in one second intervals. Maximum dive time displayed is 199 minutes.

  • Page 48: Maximum Depth

    4 Functions during the Dive 4.3 Maximum depth The maximum depth is displayed if it is lower than the current depth. To prevent the display changing very frequently when diving in the vicinity of the maximum depth, it is only displayed if it exceeds the current depth by more than 1 metre.

  • Page 49: 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 exceeds depth dive time 140%, the arrow starts flashing.
  • Page 50 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 Diving with Aladin Pro Nitrox...

  • Page 51: Partial Pressure Of Oxygen

    4 Functions during the Dive 4.5 Partial pressure of oxygen The tolerable partial pressure of oxygen can be set by means of an interface cable and the DataTalk-software to between 1.2 and 1.95 bar (see page 82). The set value and the information about the actual ppO are not displayed.

  • Page 52: Oxygen Toxicity

    4 Functions during the Dive 4.6 Oxygen toxicity Oxygen toxicity is calculated from depth values and the gas mixture. The toxicity is dipslayed in 5% increments as a percentage of the maximum value tolerated depth dive time clock), together with the symbol <CNS O LIMIT>.

  • Page 53: Decompression Information

    4 Functions during the Dive 4.7 Decompression information No-stop time is displayed if no decompression stops are necessary. The arrow <NO STOP> is visible if no decompression stops are necessary. The figures indicate no-stop time in minutes. – No-stop display <99:> means remaining time of 99 minutes or depth dive time more.
  • Page 54 4 Functions during the Dive Decompression values On entering the decompression phase, the arrow disappears. The NO STOP arrow appears. Right beside the arrow, the deepest decompression DECOSTOP depth dive time stage in metres is displayed. Beside the decompression depth, the decompression time is displayed in minutes for this stage.
  • Page 55 4 Functions during the Dive ® Total time of ascent As soon as decompression stops are necessary, Aladin Pro Nitrox 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 56: End Of A Dive

    5 Functions at the Surface 5.1 End of a dive ® After reaching the surface, Aladin Pro Nitrox 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 % MIX % MIX...

  • Page 57: Desaturation Time

    5 Functions at the Surface 5.2 Desaturation time ® When appears, the Aladin Pro Nitrox is in surface-mode. Desaturation depth dive time DESATURATION DO NOT FLY time in hours and minutes, the set mixture (percentage of oxygen) and, if available, CNS O LIMIT oxygen toxicity is displayed next to it.

  • Page 58: No Fly Time

    5 Functions at the Surface 5.3 No fly time The waiting period until the next flight is indicated as follows: . Beside depth dive time DO NOT FLY DO NOT FLY this the time in hours that should pass before a flight is displayed. CNS O LIMIT In some cases the no fly time is considerably longer than with previous models...

  • Page 59: Warning Of Bubbles

    5 Functions at the Surface 5.4 Warning of bubbles Through repetitive dives microbubbles accumulate in the lungs if the surface interval depth dive time is not long enough. Ignoring decompression stops or an excessive ascent rate can DO NOT FLY also lead to bubbles in tissues.
  • Page 60 6 Diving in Mountain Lakes ® Aladin Pro Nitrox measures the atmospheric pressure even while in sleep-mode. depth dive time If the computer detects a higher altitude, it switches into surface-mode automatically. Desaturation time indicated at this moment refers to adaptation ®...
  • Page 61 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). ®...
  • Page 62 ® IV DIVING AT REDUCED RISK WITH ALADIN PRO NITROX ® 1 Diving at Reduced Risk with Aladin Pro Nitrox 1.1 Diving at r educed risk __________________ 56 1.2 Minimizing risk on r epetitive dives ________ 58 1.3 Response in incr eased risk situations ______ 59 ®...
  • Page 63 1 Diving at Reduced Risk with Aladin ® Pro Nitrox 1.1 Diving at reduced risk ® Aladin Pro Nitr ox r ecognizes and r eacts “intelligently“ to cer tain risk situations, although of course it is much better that each individual diver avoid these higher risk situations altogether .
  • Page 64 ® Pro Nitr ox 1 Diving at Reduced Risk with Aladin – Always make the deepest dive of the day first when r epetitive dives ar e planned, and for each successive dive make sur e that the deepest por tion of that dive is done at the beginning of the dive. –...
  • Page 65 ® Pro Nitr ox 1 Diving at Reduced Risk with Aladin ® – You MUST follow the ascent rates as indicated by the Aladin Pro Nitr ox and if the computer should fail for any r eason, you must ascend at a rate of no gr eater than 17 metr es per minute.
  • Page 66 ® Pro Nitr ox 1 Diving at Reduced Risk with Aladin – Always make your first dive the deepest dive of the day – Always make the deepest descent of each given dive on a particular day at the beginning of that dive. –...
  • Page 67 ® Pro Nitr ox 1 Diving at Reduced Risk with Aladin Situation: The diver ascends too rapidly: Reaction of computer: The model calculates the formation of bubbles due to the excessively rapid ascent. The no-stop time is shor tened or a longer (and eventually at gr eater depth) decompr ession pr escription is displayed in or der to assur e incr eased decompr ession.
  • Page 68 ® Pro Nitr ox 1 Diving at Reduced Risk with Aladin Situation: The diver disregards the prescribed decompression depth. Reaction of computer: The model calculates the for mation of bubbles due to ignoring decompr ession. A longer (and eventually at gr eater depth) decompr ession is displayed in or der to assur e suf ficient time for desaturation.
  • Page 69 ® Pro Nitr ox 1 Diving at Reduced Risk with Aladin Situation: It is very unlikely to have a surface interval long enough to clear the <Atn> prior to the next dive during an organized dive trip from a boat. This previous buildup of nitrogen must be taken into consideration for the next dive.
  • Page 70 ® Pro Nitr ox 1 Diving at Reduced Risk with Aladin Situation: <CNS O LIMIT> r eaches 100%. Reaction of computer: An acoustic and visual alarm is given. Recommended response of the diver - Ascend immediately until ppO is less then 0.5 bar and the buzzer stops. Situation: reaches the set value.
  • Page 71 ® IV Diving at Reduced Risk with Aladin Pro Nitrox...
  • Page 72 V LOGBOOK 1 Survey _____________________________________ 66 2 Selection and Activation _____________________________________ 67 3 Selection of Dive _____________________________________ 68 4 Leaving the Logbook-Mode _____________________________________ 69 5 Output on PC _____________________________________ 70 V Logbook...

  • Page 73: Logbook

    1 Survey ® Aladin Pro Nitrox features a logbook with the last 19 dives. A dive is only entered in the logbook if dive time is longer than 2 minutes. Displayed information of the dive: – alarms during the dive depth dive time –...

  • Page 74: Selection And Activation

    2 Selection and Activation depth dive time depth dive time 1. The logbook is selected by bridging contacts B DO NOT FLY DO NOT FLY and + in ready- or surface-mode. Indication ® CNS O LIMIT <LOGBOOK> appears. If Aladin Pro Nitrox has % MIX % MIX...

  • Page 75: Selection Of Dive

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

  • Page 76: Leaving The Logbook-Mode

    4 Leaving the Logbook-Mode Touch contacts B and E. depth dive time ® DO NOT FLY Aladin Pro Nitrox switches back into ready- or surface- mode. This also happens 3 minutes after activating logbook-mode. max. depth deco info or after 3 minutes depth dive time depth...

  • Page 77: Output On Pc

    5 Output on PC With the optional DataTrak interface and software information on the last 37 dives can be read out. The dive profiles of the last dives, up to a total of 200 minutes, can be reproduced. Time and date of the dive are entered automatically, based on the clock of the PC-system when the data are transferred via interface.
  • Page 78 VI DIVE PLANNER 1 Survey _____________________________________ 72 2 Selection and Activation from Ready-Mode _____________________________________ 73 3 Selection and Activation from Surface-Mode _____________________________________ 74 4 Planning a No-Stop Dive _____________________________________ 75 5 Planning a Decompression Dive _____________________________________ 77 6 Planning a Nitrox-dive 6.1 Calculation of maximum depth ___________ 78 6.2 Calculation of mixture for a given depth ___ 78 7 Leaving the Diveplan-Mode...
  • Page 79 1 Survey ® The Aladin Pro Nitrox is equipped with a dive planner which allows the planning of no-stop dives with freely determinable surface intervals for the portion of oxygen set at the moment. The water temperature of the most recent dive and eventual altitude sections < > are incorporated in the calculation. depth dive time depth...
  • Page 80 2 Selection and Activation from Ready-Mode depth dive time 1. From ready-mode, you switch into the diveplan input stage by twice bridging max. depth deco info contacts B and –. 2. The display shows <DIVEPLAN>. depth dive time You return to ready-mode by B and + twice. DIVEPLAN max.
  • Page 81 3 Selection and Activation from Surface-Mode 1. From surface-mode, you switch into the diveplan input stage by twice bridging depth dive time B and –. 2. The display shows <DIVEPLAN>. % MIX DESATURATION You return to surface mode by B and +. max.
  • Page 82 4 Planning a No-Stop Dive After confirming the surface interval (if possible), no-stop times are displayed in depth dive time 3 metre-increments. The process starts with 9 metres. The no-stop time for every 3 metre-increment is displayed for about 3 seconds (scrolling no-stop times). DECOSTOP NO STOP max.
  • Page 83 4 Planning a No-Stop Dive – Diving with the display <Atn>, a clear shortening of the no-stop time and/or an extension of decompression has to be expected. – If a dive is made during <Atn>-time, the <Atn>-time following the dive can increase considerably.

  • Page 84: Planning A Decompression Dive

    5 Planning a Decompression Dive 1. In order to plan a dive that requires decompression, wait until the scrolling no- depth dive time stop time shows the desired depth. DIVEPLAN 2. By means of contacts B and E you can switch into decompression planning. Dive time is now one minute longer than no-stop time, and the decompression NO STOP max.
  • Page 85 6 Planning a Nitrox-dive ® The dive-planner of the Aladin Pro Nitrox always plans dives based on the selected oxygen percentage. It can be used to: – calculate maximum depth to be reached with the selected mixture. – calculate the necessary mixture for a dive with a given depth. 6.1 Calculation of maximum depth depth dive time...
  • Page 86 7 Leaving the Diveplan-Mode ® If the contacts B and E are touched for about 3 seconds, Aladin Pro Nitrox falls depth dive time back into ready- or surface-mode. This also occurs three minutes after the activation DIVEPLAN of the diveplan-mode. DECOSTOP max.
  • Page 87 VI Dive Planner...
  • Page 88 VII INTERFACE 1 Interface 1.1 Personal programming of the dive computer __ 82 1.2 Analysis and storage of real dives ____________ 83 VII Interface...
  • Page 89 1 Interface ® The Aladin Pro Nitrox is able to communicate with a personal computer. The connection is established by contact sensors. A special interface cable and the necessary PC-software DataTrak/DataTalk (MS-DOS) is available on the market. Communication via interface has a number of advantages: 1.1 Personal programming of the dive computer Several parameters can be set individually by the user, e.g.: –...
  • Page 90 1 Interface 1.2 Analysis and storage of real dives The last approx. 200 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. By this means all relevant data are examined and displayed for every point in time.
  • Page 91 VII Interface...

  • Page 92: Viii Trouble Shooting

    VIII TROUBLE SHOOTING 1 Trouble Shooting _____________________________________ 86 symptom possible reason(s) response VIII VIII Trouble Shooting...

  • Page 93: Trouble Shooting

    1 Trouble Shooting symptom possible reason(s) response Altitude section does not Atmospheric pressure is especially high Check barometric information. correspond to the current or low. altitude. Gas mixture pressure measured by the Send in dive computer for servicing computer is wrong. (only if altitude section is wrong by more than one section, see chapter III 6).Re- view chapter III 5 very carefully.
  • Page 94 1 Trouble Shooting symptom possible reason(s) response An unexpected decom- Too rapid an ascent or ignoring decom- Plan sufficiently long surface interval pression stop appears in pression stops have caused a large and dives at lower risk. Review chapters place of no-stop time or number of microbubbles, which leads III 5 and IV very carefully.
  • Page 95 symptom possible reason(s) response VIII Trouble Shooting...
  • Page 96 IX APPENDIX ® 1 Maintenance of Aladin Pro Nitrox Dive Computer _____________________________________ 90 2 Technical Information _____________________________________ 92 3 Warranty 3.1 Recognition of warranty ________________ 93 3.2 Scope of the warranty __________________ 93 3.3 Warranty period and claim ______________ 94 IX Appendix...

  • Page 97: Appendix

    1 Maintenance of Aladin ® Pro Nitrox Dive Computer ® Your Aladin Pro Nitrox 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 Pro Nitrox, the following recommendations will help assure that it will give you years of trouble free service: ®...
  • Page 98 – There are borings in two of the contacts for the reception of the PC interface connection. Free these borings from dirt with a needle if necessary. Take the dive computer to an authorized Uwatec dealer in order to change the batteries. The actual change of the batteries is made at the manufacturer or the importer.

  • Page 99: Technical Information

    199 minutes Operating temperature: -10°C to +50°C Power supply: Special battery Uwatec LR07 Life of the battery: (standard values) For an average diving time of 60 minutes and a surface interval of 20 hours after...

  • Page 100: Warranty

    UWATEC reserves the right to determine the merits of a warranty claim and to determine whether the computer will be repaired or replaced. Excluded are faults or defects due to: –...

  • Page 101: Warranty Period And Claim

    4 Warranty 3.3 Warranty period The warranty is given for a period of 12 months. and claim Repairs or replacements during the warranty period do not increase the warranty period. In order to put forward a warranty claim, send the dive computer together with a dated receipt of the purchase to your authorized retailer or an authorized servicing point.

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