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71

5 Planning a Decompression Dive

VI Uwatec

®

Aladin

®

Pro Ultra

American

Planned decompression dives violate the responsi-
ble diving practice standards of every major
diving organization. They are not to be attempted
by recreational or sport scuba divers. Only profes-
sional divers with extensive experience, training
and the appropriate equipment for decompression
diving (including the presence of an on board
recompression chamber) should attempt to plan a
decompression dive!

1.In order to plan a dive that requires decompression, wait until the scrolling

no-stop time shows the desired depth.

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 decompres-
sion information appears.

3.<Add> demands that you set the time. This is done with contacts B and +, B

and – respectively. As soon as the contacts are no longer bridged, Aladin

®

Pro

Ultra calculates the decompression information for this set time. This calcula-
tion takes some time.

If you wish to plan a dive requiring decompression at another
depth, switch from decompression planning to no-stop planning
by means of B and E. Aladin

®

Pro Ultra again shows the scrolling

no-stop times. Now you can switch between no-stop planning and
decompression planning at will with contacts B and E.

VI

NO STOP

DIVEPLAN

depth

dive time

max. depth

deco info

ft

DIVEPLAN

depth

dive time

max. depth

deco info

DECOSTOP

DIVEPLAN

depth

dive time

max. depth

deco info

DECOSTOP

ft

+

-

WARNING

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Summary of Contents for ALADIN PRO ULTRA

Page 1: ...O P E R A T I N G M A N U A L American SWISS MADE BY UWATEC AG THE SYSTEM American Active Light Feet PRO ULTRA ...

Page 2: ...2 3 5 4 5sec or 3min or 3min 3s or 3min or 3min NO STOP depth dive time deco info automatically Sleep Surface Sleep 1 Ready or Surface Input stage Input stage Battery capacity LOGBOOK LOGBOOK DIVEPLAN Input stage DIVEPLAN O2 MIX O2 MIX or 3min or 3min 6 max depth B and E B and B and ...

Page 3: ...s 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 Pro Ultra E B Operating instruction for manual input Example bridging contacts B and E Flashing display Acoustic alarm signal Important remarks concerning signal words and symbols January 2000 Copyright by Uw...

Page 4: ...ges that occur in your body as you dive In addition each diver will vary in his or her susceptibility to decom pression sickness In addition each diver will vary in his or her susceptibility to decompression sickness In addition to this each individual diver s own susceptibility may vary from day to day Combined with the fact that decompression modelling is an inexact science and must be based to ...

Page 5: ...tely On any given dive all divers in a buddy group must follow the most conservative dive computer for that particular dive You should not dive for a period of twenty four hours before activating the Aladin Pro Ultra or any borrowed or rented dive computer to use it to plan or control your diving You MUST follow the ascent rates as indicated by the Aladin Pro Ultra and should the computer fail for...

Page 6: ...6 Uwatec Aladin Pro Ultra Aladin Pro Ultra The Diving System E B MemoMouse and logbook software DataTrak Option Screen Guard Optional several colours Dive Computer Aladin Pro Ultra ...

Page 7: ..._____35 2 2 Alarms ___________________________37 2 3 Alarm low battery _________________38 I 3 Preparation for the Dive ________________39 3 1 Switching on______________________39 3 2 Setting gas mixture ________________40 4 Functions during the Dive ______________41 4 1 Dive time_________________________41 4 2 Current depth_____________________41 4 3 Maximum depth___________________41 4 4 Ascent ...

Page 8: ...e Diveplan Mode _____________74 Communication Software for Windows _______________________75 1 MemoMouse DataTrak and DataTalk 1 1 Personal programming of the dive computer DataTalk ___________76 1 2 Analysis and storage of real dives DataTrak ___________________76 1 3 Updates DataTrak DataTalk ________76 Trouble Shooting ____________________77 1 Trouble Shooting______________________78 Appendix _...

Page 9: ...__________________________ 10 3 Safety Considerations _____________________________________ 11 12 4 Aladin Pro Ultra Your Personal Companion ________________________________________ 13 5 The Calculation Model ZH L8 ADT 5 1 Description _______________________________ 14 5 2 Advantages ______________________________ 15 6 Safety in Diving ________________________________________ 16 I ...

Page 10: ... as the breathing gas for diving it concerns a mixture with a higher share of oxygen A higher share of oxygen and automati cally the reduction of the share of nitrogen has the advantage of lengthening the no stop phase or reducing the decompression phase since less nitrogen is dissolved in the diver s body during the dive But the higher share of oxygen in the Nitrox mixtu re also causes additional...

Page 11: ...endent diving equipment and is therefore not considered in the design of Aladin Pro Ultra The physiological peculiarities of oxygen and the changing decompression due to the reduced share of nitrogen require a profound training if nitrox is used for diving Additional technical problems with the use and the maintenance of parts of the equip ment bear further dangers when diving with nitrox Therefor...

Page 12: ...equently check the oxygen clock CNS O2 Limit especially in the range higher than 1 5 bar ppO2 Close the dive if the CNS O2 Limit exceeds 75 7 Make sure you have a sufficiently long surface interval just as when diving with compressed air Oxygen also needs sufficient time to leave the body Go on the next dive only when the CNS O2 has dropped below 40 8 Of course Aladin Pro Ultra is a personal instr...

Page 13: ...he alarm You must strictly observe all optical and acoustic alarms and take appropriate action based upon those alarms to avoid serious injury or death from decompression sickness I By using the Aladin Pro Ultra s logbook a diver may directly call up information from the last 19 dives The last 37 dives and 200 minutes of dive profile in intervals of 20 seconds can be read out into a MemoMouse whic...

Page 14: ...our during that dive 2 The decompression model used by the Aladin Pro Ultra considers nitrogen in both its dissolved as well as its gaseous phase microbubbles Formation of microbubbles is considered to be a strong indicator of a high risk of decompression sickness The Aladin Pro Ultra model calculates the formation of microbubbles depending on various assumed influences in arterial and venous bloo...

Page 15: ...k of decompression the Aladin Pro Ultra can if closely followed reduce the risk of decompression sickness by increasing decompression time Some of the more common risk situations are as follows Repetitive dives especially those deeper than 60 feet and those with short surface intervals Repetitive dives using square dive profiles Repetitive diving over the course of several successive days Diving i...

Page 16: ...revent the occurrence of lung overexpansion injuries or nitro gen narcosis whose avoidance lies solely with the individual diver The Aladin Pro Ultra is a highly sophisticated technical instrument which if used 16 6 Safety in Diving I Uwatec Aladin Pro Ultra and maintained properly will have high reliability Despite this no dive should be made with an Aladin Pro Ultra without a thorough understan ...

Page 17: ...____ 18 2 Dive Computer 2 1 Operation _______________________________ 19 Switching on display_______________________ 19 Switching off display ______________________ 19 Active backlight __________________________ 20 2 2 Operating the surface functions ____________ 21 2 3 Operating modes _________________________ 26 II ...

Page 18: ...ion data 2 The dive computer has a data memory which stores the dive data The data can be downloaded out into a MemoMouse from where they can be transmitted to a Windows personal computer with the logbook program DataTrak MemoMouse and DataTrak are available as an option depth dive time max depth deco info CNS O2 LIMIT NO STOP Screen Guard Optional several colours 2 1 ...

Page 19: ...pe ration touch base contact B and any one of the other three contacts above the display with moistened fingers Contact B Base contact which has to be touched for all operations Contact E Enter contact It serves the switching on of the computer the activation of log book and dive plan mode and the switching between no stop and decompres sion planning It is also used to confirm inputs and is theref...

Page 20: ...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 The active backlight is no substitute for a dive torch When diving at night or at increased depth we recommend the use of a dive torch Replace the battery if the battery warning appears See page 38 WARNING ...

Page 21: ...B and E activates the display ready mode or surface mode 3 A second bridging of contacts B and E activates the display of the remaining battery capacity for approximately 5 seconds As soon as the battery capacity is 0 a battery alarm is sent see page 38 There is still a small reserve left at bAt 0 II depth dive time max depth deco info depth dive time max depth deco info h h DESATURATION depth div...

Page 22: ...gbook B and E Aladin Pro Ultra shows the most recent dive LOGBOOK depth dive time max depth deco info LOGBOOK depth dive time max depth deco info 4 depth dive time max depth deco info h h DO NOT FLY depth dive time max depth deco info DESATURATION h LOGBOOK depth dive time max depth deco info CNS O2 LIMIT O2 2 MIX MIX O2 2 MIX MIX Ready Modus Surface Modus ...

Page 23: ...unction B and Cancel B and or automatically after three minutes II LOGBOOK depth dive time max depth deco info depth dive time max depth deco info 5 depth dive time max depth deco info h h DO NOT FLY depth dive time max depth deco info DESATURATION O2 2 MIX MIX O2 2 MIX MIX O2 2 MIX MIX CNS O2 LIMIT or after three minutes Ready Modus Surface Modus ...

Page 24: ...gen is set 5c Leaving the O2 Mix function B and E or automatically after three minutes new setting is not accepted Ready Modus Surface Modus depth dive time max depth deco info depth dive time max depth deco info h h DO NOT FLY depth dive time max depth deco info DESATURATION CNS O2 LIMIT O2 2 MIX MIX O2 2 MIX MIX O2 2 MIX MIX ...

Page 25: ... dive plan is activated out of the surfa ce mode first enter the desired interval by B and or B and Confirmation with B and E 6c Leaving the dive plan B and E for approx 3 seconds or automatically after three minutes II DIVEPLAN depth dive time max depth deco info NO STOP DIVEPLAN depth dive time max depth deco info 6 depth dive time max depth deco info h h DO NOT FLY depth dive time max depth dec...

Page 26: ...y mode Activation By touching contacts B and E from sleep mode To check the display all signs light up for 5 seconds After activation the Aladin Pro Ultra switches into ready mode Once in ready mode the display is switched on the set portion of oxygen and altitude sec tions are eventually displayed By touching contacts B and E in the ready mode once more Aladin Pro Ultra will display the remaining...

Page 27: ...ectness of the decompression procedure supervised The portion of oxygen is displayed at the beginning of a dive until maximum depth is reached but in any case for 5 minutes Wait mode Activation automatically on reaching the surface The wait mode is activated if the the diver surfaces diving depth less than 2 ft At the surface the dive is not completed and entered into the logbook for an interval o...

Page 28: ... Ultra switches from sleep mode or from surface sleep into surface mode automatically and displays the adaptation time The adaptation time is the time after which all body tissues have adapted to the ambient pres sure desaturation time Logbook mode Activation manually by contacts Data of 19 past dives can be called up in the logbook mode It shows maxi mum depth dive time preceding interval altitud...

Page 29: ...Activation manually by contacts The diveplan mode serves the planning of a future dive It allows the planning of no stop dives and decompression dives with determinable depth dive time and composition of the gas mixture On repetitive dives the surface interval can also be chosen Calculations are based on the temperature data of the last dive assuming normal workload and on the set gas mixture dept...

Page 30: ...ence of microbubbles If a diver using Aladin Pro Ultra experiences a diving accident resulting in decompression sickness the dive can be analyzed by means of the MemoMouse and DataTrak software An automatic program transmits the logbook data after connecting the dive computer via MemoMouse with a PC once a minute from the locked dive computer to the personal computer Dive computer MemoMouse and PC...

Page 31: ...ng gas mixture ________________________ 40 4 Functions during the Dive 4 1 Dive time ________________________________ 41 4 2 Current depth ____________________________ 41 4 3 Maximum depth __________________________ 41 4 4 Ascent rate_______________________________ 42 4 5 Partial pressure of oxygen___________________ 44 4 6 Oxygen toxicity ___________________________ 45 4 7 Decompression informati...

Page 32: ...isplay 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 4 feet CNS O2 LIMIT Oxygen toxicity dive time no stop time decompression phase 24min no stop phase A C B D current depth maximal depth 108 feet C depth dive time max depth deco info CNS O2 LIMIT NO STOP A C B D E D E ...

Page 33: ...A B C D 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 O2 LIMIT Oxygen toxicity C B A D WARNING Decompression diving should not be attempted by recreational or sport scuba divers...

Page 34: ...e of oxygen ppO2 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 The Aladin Pro Ultra does not display the entered ppO2 limit but warns the diver acoustically and optically if he reaches the depth at which the ppO2 limit is reached The CNS O2 value alarm is not influenced by the selected ppO2max setting CNS O2 LIMIT O...

Page 35: ...face page 76 2 1 Attention messages Attention messages are communicated to the diver visually by symbols letters or flashing figures In addition two short acoustic sequences can be heard in an interval of 4 seconds in two different frequencies under water Attention messages come up in the following situations III Dive in mountain lake On a change of altitude the altitude section 0 3 and adaptation...

Page 36: ...ing of bubbles Extension of the surface interval is recommended See pages 50 and 70 Serious injury or death may result from failing to immediately respond to alarms given by Aladin Pro Ultra 36 2 Attention Messages and Alarms III Uwatec Aladin Pro Ultra NO STOP S L O W depth dive time max depth deco info O2 2 MIX MIX 4 sec NO STOP S L O W depth dive time max depth deco info CNS O2 LIMIT 4 sec h h ...

Page 37: ...cessive ascent rate Reduce ascent rate See page 42 56 Oxygen toxicity The oxygen toxicity reaches 100 Start ascent at once Oxygen toxicity reaching 100 can lead to dange rous neurological symptoms See also page 45 58 Ignoring decompression stop Descend to the prescribed decompression depth at once See also page 47 57 NO STOP S L O W depth dive time max depth deco info SPEED h ft depth dive time ma...

Page 38: ... is indicated by a flashing dis play and alternating with the display of maximum depth as soon as battery capacity is 0 In ready mode and surface mode bAT is shown instead of maximum depth Take the unit to your authorized Uwatec Dealer depth dive time max depth deco info depth dive time max depth deco info NO STOP NO STOP ...

Page 39: ...matically on being submerged in water and activates dive mode when a depth of more than 2 feet is reached The depth indication may be delayed for a few seconds In extremely pure freshwater it is possible that the Aladin Pro Ultra will not automatically activate into the dive mode III depth dive time max depth deco info DO NOT FLY DIVEPLAN LOGBOOK CNS O2 LIMIT O2 2 MIX MIX NO STOP DECOSTOP DESATURA...

Page 40: ... and 3 Confirm by bridging B and E the O2 value starts flashing 4 Bridging B and will increase the portion of oxygen from 21 to 50 bridging B and decreases the portion of oxygen 5 Confirm with B and E Aladin Pro Ultra switches back into ready mode Before every dive make sure that the setting of the gas mixture corresponds to the actual mixture used A wrong setting causes the Aladin Pro Ultra to mi...

Page 41: ...refore Aladin Pro Ultra shows a slightly greater depth than actually true when diving in salt water depending on the salinity of the water 4 3 Maximum depth Maximum depth is displayed if it is lower than the current depth maximum indicator function To prevent the display changing very frequently when diving in the vicinity of maximum depth it is only displayed if it exceeds the cur rent depth by m...

Page 42: ...the arterial circulation which can lead to serious injury or death due to decompression sickness The Aladin Pro Ultra may require a decompression stop even within the no stop phase because of the danger of formation of microbubbles due to an improper ascent The decompression time necessary for the prevention of microbubbles can increase massively if the ascent rate is exceeded From great depth too...

Page 43: ...c Aladin Pro Ultra American III Messages Excessive ascent rates for longer periods are entered in the logbook Response Reduce ascent rate Ascent rate Optical alarm Acoustic alarm S L O W S L O W S L O W S L O W SPEED SPEED SPEED SPEED WARNING ...

Page 44: ...ntion message is reached at different depths When the set maximum partial pressure is reached Aladin Pro Ultra sends an acoustic attention message and the current depth display starts flashing Response Go to a smaller depth in order to diminish the danger of oxygen intoxication The allowed maximum depth should not be exceeded or only for a short period Disregarding the warning can lead to oxygen i...

Page 45: ...aller depth if necessary Messages When oxygen toxicity reaches 100 an acoustic alarm is sent every 4 seconds CNS O2 LIMIT and the precentage value are flashing See also page 58 Response Start ascent at once During an ascent and if the CNS O2 value does not increase anymore due to a lower partial pressure of oxygen the acoustic warning is suppressed During the ascent the display of the oxygen toxic...

Page 46: ...given depth Decompression values On entering the decompression phase the arrow NO STOP disappears The arrow DECOSTOP appears Right beside the arrow the deepest decompression stage in feet is displayed Beside the decompression depth the decompression time of the displayed stage in minutes appears The display 10ft 5 means that a decompression stop of 5 minutes at a depth of 10 ft has to be made When...

Page 47: ... the decompression alarm is longer than a minute it is entered in the log book Response Descend to the prescribed decompression depth immediately Total time of ascent As soon as decompression stops are necessary Aladin Pro Ultra shows the total time of ascent The time of ascent to the first decompression stage and all decompression stops are included The time of ascent is calculated on the basis o...

Page 48: ...a to close the dive Now the setting of the mixture must be adjusted to the new mixture Disregarding this rule causes the Aladin Pro Ultra to calcu late with wrong mixture data This can lead to injury or death 5 2 Desaturation time When appears the Aladin Pro Ultra is in surface mode Desaturation time in hours and minutes the set mixture percentage of oxygen and if available oxygen toxicity is disp...

Page 49: ...y Time it is assumed that the diver inhales air 5 3 No fly time The waiting period until the next flight is indicated as follows DO NOT FLY Beside this indicator is the time in hours that should pass before a flight In some cases the no fly time is considerably longer than with previous models because of recalibrated desaturation time Flying while the Aladin Pro Ultra displays may lead to serious ...

Page 50: ...nd the surface interval If the display Atn attention is visible instead of the depth during the sur face interval surface mode the diver should not undertake another dive Through the extension of the interval the diver may prevent a high concentra tion of bubbles in the lungs during the planned dive and avoid a higher risk situation See also page 70 If the dive has to be made during Atn time the A...

Page 51: ...ire altitude range is divided into four sections which are influenced by barometric pressure That is why the defined altitude sections overlap on their fringes The altitude section is indicated at the surface in the logbook and in the dive planner by stylized mountains if a mountain lake altitude is reached Sea level to an altitude of approximately 3000 ft is not indicated In the follo wing you ca...

Page 52: ...xygen toxicity is further calculated Even very small differences in the pressure receptors can cause an indication of different altitude sections of two dive computers at the same altitude on the fringes of the altitude ranges These differences are not meaningful and do not interfere with the functions of Aladin Pro Ultra But if an altitude section is displayed at sea level or the altitude read ou...

Page 53: ... American IV 1 Diving at Reduced Risk with Aladin Pro Ultra 1 1 Diving at reduced risk ______________________ 54 1 2 Diving at reduced risk for the first dive ________54 1 3 Minimizing risk on repetitive dives ___________ 55 1 4 Response in increased risk situations ______ 56 58 ...

Page 54: ... that decompression sickness will not occur even if the computer or table is used correctly and all of the following precautions are fol lowed 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 Avoid repeated ascents and descents yo yo diving Avoid repeated heavy workload whilst at depth Plan ...

Page 55: ...s operating manual Never dive the Aladin Pro Ultra to the limits Neither the Aladin Pro Ultra nor any other diving computer or decompression table should be pushed to its limit Give yourself a margin of safety by always leaving at least a few minutes in the no stop box before making your ascent 1 3 Minimizing risk on repetitive dives With consecutive repetitive dives there will be excess nitrogen ...

Page 56: ...to the excessively rapid ascent The no stop time is shortened or a longer and eventually at greater depth decompression prescription is displayed in order to assure increased decompression See pages 37 42 and 43 Recommended response of the diver During the dive Observe the new decompression prescription shown by Aladin Pro Ultra After the dive Watch for symptoms of arterial gas embolism and decomp...

Page 57: ...re to comply with all decompression information on the Aladin Pro Ultra may result in serious injury or death due to decompression sickness There is a risk of decompression sickness on every dive even if all precautions described in this manual are taken Situation 3 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...

Page 58: ...ppO2 is less then 0 5 bar and the buzzer stops Situation 5 ppO2 reaches the set value Reaction of computer An acoustic warning is given depth indication is flashing attention message See page 36 and 44 Recommended response of the diver During the dive Ascend above critical depth limit Observe CNS O2 value carefully 58 1 Diving at Reduced Risk with Aladin Pro Ultra IV Uwatec Aladin Pro Ultra ...

Page 59: ..._________________60 2 Selection and Activation _________________________________________61 3 Selection of Dive _________________________________________62 4 Leaving the Logbook Mode _________________________________________63 5 Output on PC _________________________________________64 ...

Page 60: ... entered in the logbook if the dive time is longer than 2 minutes Displayed information of the dive If a dive is started within adaptation time after a change of altitude the adap tation time is displayed instead of the surface interval h S L O W LOGBOOK depth dive time max depth deco info DECOSTOP O2 MIX alarms during the dive altitude sections if any maximum depth dive time dive number duration ...

Page 61: ...y or surface mode by B and 2 In order to activate the logbook bridge contacts B and E The most recent dive is displayed LOGBOOK V DO NOT FLY depth dive time max depth deco info h h DO NOT FLY depth dive time max depth deco info DESATURATION DO NOT FLY LOGBOOK depth dive time max depth deco info h DO NOT FLY LOGBOOK depth dive time max depth deco info LOGBOOK CNS O2 LIMIT depth dive time max depth ...

Page 62: ...s to the next older dive DIVE 3 3 On constant bridging of the contacts all dives are displayed successively 4 Bridging contacts B and allows switching back from older dives to more recent ones DO NOT FLY LOGBOOK depth dive time max depth deco info DO NOT FLY LOGBOOK depth dive time max depth deco info DO NOT FLY LOGBOOK depth dive time max depth deco info DO NOT FLY LOGBOOK depth dive time max dep...

Page 63: ...switches back into ready or surfa ce mode This also happens 3 minutes after activa ting logbook mode V depth dive time max depth deco info DO NOT FLY depth dive time max depth deco info h h DO NOT FLY depth dive time max depth deco info DESATURATION CNS O2 LIMIT O2 2 MIX MIX O2 2 MIX MIX or after 3 minutes ...

Page 64: ...ded into a Memo Mouse optional which sto res up to approximately 65 dive hours With the DataTark Windows software optional the information can then be transferred from the MemoMouse to a PC Time and date of the dive are entered automatically based on the clock of the PC system when the data are transferred via interface The possibilities and the procedure of this data transfer are described in a s...

Page 65: ...ation from Surface Mode ________________________________________ 68 4 Planning a No Stop Dive ________________________________________ 96 5 Planning a Decompression Dive ________________________________________ 71 6 Planning a Nitrox dive 6 1 Calculation of maximum depth ________________ 72 6 2 Calculation of mixture for a given depth ________ 73 7 Leaving the Diveplan Mode _______________________...

Page 66: ...x depth deco info ft DIVEPLAN depth dive time max depth deco info DECOSTOP NO STOP DIVEPLAN depth dive time max depth deco info DECOSTOP depth dive time max depth deco info O2 2 MIX MIX If you do not alter the setting of the gas mixture portion of oxygen the plan ning bases on the already set mixture Planned decompression dives violate the responsible diving practice standards of every major divin...

Page 67: ...ay shows You return to ready mode by B and twice 3 Contacts B and E afterwards activate the planning mode 4 The display shows no stop times for increasing depths scrolling no stop times see page 69 planning of a no stop dive DIVEPLAN VI depth dive time max depth deco info NO STOP DO NOT FLY DIVEPLAN depth dive time max depth deco info DIVEPLAN depth dive time max depth deco info 2x 2x ...

Page 68: ...ws DIVEPLAN You return to surface mode by B and 3 After confirming by B and E the display shows Add Int and the inter val flashing Aladin Pro Ultra expects your input for the duration of the dive interval depth dive time max depth deco info DIVEPLAN depth dive time max depth deco info h DESATURATION max depth O2 2 MIX MIX depth dive time max depth deco info h DIVEPLAN deco info ...

Page 69: ...he interval 5 You confirm the new surface interval and get into no stop planning After confirming the surface interval if possible no stop times are dis played in 10 ft increments The process starts with 30 ft The no stop time for every 10 ft increment is displayed for about 3 seconds scrolling no stop times No stop times are displayed to the depth at which the partial pressure of oxy gen ppO2 has...

Page 70: ...repeatedly recalling of the diveplan with varying surface intervals the mini mum interval can be determined 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 Making a repetitive dive when Atn is displayed will increased your risk of se...

Page 71: ...decompression planning Dive time is now one minute longer than no stop time and the decompres sion information appears 3 Add demands that you set the time This is done with contacts B and B and respectively As soon as the contacts are no longer bridged Aladin Pro Ultra calculates the decompression information for this set time This calcula tion takes some time If you wish to plan a dive requiring ...

Page 72: ...h The oxygen toxicity is not taken in consideration for the calculation of the dive planner 6 1 Calculation of maximum depth 1 Set the desired percentage of oxygen see page 40 2 Activate the dive planner as described above 3 Observe the depth indications and memorize the greatest depth displayed This is also maximum depth for a dive with the set mixture under considera tion of the set maximum part...

Page 73: ... the desired depth is reached or exceeded leave the dive planner alter the portion of oxygen and return to the scrolling no stop times Repeat this pro cedure until the desired depth occurs as maximum depth 3 In ready mode the ideal portion of oxygen for this depth is indicated VI NO STOP DO NOT FLY S L O W DIVEPLAN depth dive time max depth deco info depth dive time max depth deco info O2 MIX ...

Page 74: ... the scrolling no stop times In order to completely leave the diveplan mode B and E must be continually bridged until two acoustic bleeps have occured If two or more divers using computers are planning a dive planning for all divers has to be based on the dive computer showing the shortest no stop times Failure to do this may lead to serious injury or death from decompression sickness ft DIVEPLAN ...

Page 75: ...ro Ultra American VII 1 MemoMouse DataTrak and DataTalk 1 1 Personal programming of the dive computer DataTalk ___________________ 76 1 2 Analysis and storage of real dives DataTrak ___________________________ 76 1 3 Updates DataTrak DataTalk ________________ 76 ...

Page 76: ...ltra you must pay careful attention to the visual signals on the face of the Aladin Pro Ultra Failure to follow all alarms whether audible or not may lead to serious injury or death due to decompression sickness and or drowning 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...

Page 77: ...77 VIII Uwatec Aladin Pro Ultra American 1 Trouble Shooting ________________________________________ 78 VIII Trouble Shooting VIII ...

Page 78: ...st Too many repetitive dives too fast ascents yo yo diving square profile repetitive dives or disregarding decompression stops Dissolved nitrogen and or microbubbles must be off gassed first Too rapid an ascent or ignoring decompression stops have caused a large number of microbubbles which leads to an attention message war ning of bubbles The acoustic signal of the attention messages is switched ...

Page 79: ...ation ________________________________________ 81 3 Warranty 3 1 Recognition of warranty____________________ 82 3 2 Scope of the warranty _____________________ 82 3 3 Warranty period and claim__________________ 82 4 Safety considerations ________________________________________ 83 5 Serial No Dealer address ________________________________________ 84 ...

Page 80: ...store your Aladin Pro Ultra in an gas mixture tight area make sure there is free ventilation If there are problems with operating the contacts the surface of your Aladin Pro Ultra housing can be treated with silicone grease Use soapy water to clean the Aladin Pro Ultra before using silicone grease and dry it thoroughly There are borings in two of the contacts for the reception of the PC interface ...

Page 81: ...iven by the chosen percentage of oxygen decompression sickness oxygen toxicity Do not dive deeper than 130 feet Maximum operating pressure 190 psi Clock quartz timer display up to 199 minutes Operating temperature 14 F to 122 F 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 every dive Nu...

Page 82: ... Excluded are faults or defects due to excessive wear and tear exterior influences e g transport damage damage due to bumping and hit ting influences of weather or other natural phenomena servicing repairs or the opening of the dive computer by anybody not autho rized by the manufacturer This especially concerns the change of batteries for the dive computer pressure tests which do not take place i...

Page 83: ...llow all standard safe diving practices Never dive without a buddy The Aladin Pro Ultra does not substitute for a dive buddy Only make dives that are appropriate to your level of dive training The Aladin Pro Ultra does not increase your knowledge of diving Always check the diving limits given by the chosen percentage of oxygen decompression sickness oxygen toxicity Do not dive deeper than 130 feet...

Page 84: ...84 5 Serial No Dealer address IX Uwatec Aladin Pro Ultra Serial No of your Aladin Pro Ultra Dealer to affix stamp Printed in Switzerland 1 00 Dealer address ...

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