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IV 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

. If a decompr ession accident does

occur, the optional PC-inter face allows the analysis of the dive pr

ofile and cer tain risk parameters to pr

ovide

for mor e complete infor mation for tr eatment purposes.
Analysis of the most r

ecent r esults of decompr ession r esear ch and statistical analysis of diving accidents involving

decompr ession sickness suppor

ts the cr eation of these guidelines for diving at r

educed risk for decompr ession

sickness.

The following ar e highly r ecommended suggestions:

Neither the Aladin

Pr o Nitr ox nor any other diving computer or decompression

table can guarantee that decompression sickness will not occur even if the computer
or table is used correctly and all of the following precautions are followed.

– Check <O

% MIX> (gas mixtur e) and the dive depth limit given by the maximum ppO

selected.

– In accor dance with the r ecommended maximum diving limit, do not dive deeper than 40 metr

es.

– Observe <CNS O

LIMIT> (ascend at 75%).

– On all dives with the Aladin

Pro Nitrox, make a safety stop for three to five minutes within the 3 to 9 metre zone.

1 Diving at Reduced Risk with Aladin® Pro Nitrox

Содержание Aladin Pro Nitrox

Страница 1: ...depth dive time deco info max depth NO STOP O2 MIX O P E R A T I N G M A N U A L THE SYSTEM English SWISS MADE BY UWATEC AG ...

Страница 2: ... followed careful use of the Aladin Pro Nitrox can increase your diving enjoyment and reduce your risk of decompression sickness If they are not you will be placing yourself at serious risk for decompression sickness While the Aladin Pro Nitrox is a technically advanced tool based on biophysical models of decompression sickness and oxygen toxicity neither it nor any other diving computer or table ...

Страница 3: ...Operating Manual Aladin Pro Nitrox Aladin Pro Nitrox The Diving System C depth dive time deco info max depth DIVE B E Dive Computer Aladin Pro Nitrox Interface and logbook software DataTrak Option ...

Страница 4: ...ctions of your Aladin Pro Nitrox 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 Important remarks concerning signal words and symbols D Indicates a potentially hazardous situation which if not avoided could result in death or serious injury February 1996 Copyright by Uwatec Switz...

Страница 5: ... mixed gases It is essential to check the set mixture before each dive and to compare it to the gas mixture to be used Always remember Setting a wrong mixture causes either insufficient decompression calculations or a too low calculation of the oxygen toxicity Do not dive deeper than 40 metres Always check the diving limits given by the chosen percentage of oxygen On all dives with the Aladin Pro ...

Страница 6: ...3 to 5 minute safety stop should be initiated immediately 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 Nitrox to use it to plan or control your diving Always observe the optical and acoustic alarm signals of the Aladin Pro Nitrox Avoid sit...

Страница 7: ...LADIN PRO NITROX THE SYSTEM 11 III DIVING WITH ALADIN PRO NITROX 27 IV DIVING AT REDUCED RISK WITH ALADIN PRO NITROX 55 V LOGBOOK 65 VI DIVE PLANNER 71 VII INTERFACE DATATRAK DATATALK 81 VIII TROUBLE SHOOTING 85 IX APPENDIX Maintenance Technical Information Warranty 89 ...

Страница 8: ... 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 ...

Страница 9: ...alculation model All informations necessary for safe diving are combined in one instru ment The Aladin Pro Nitrox can increase both your diving pleasure and safety by reducing your risk of decompression sickness 1 Aladin Pro Nitrox Introduction provided you carefully follow the instructions and guidelines given you in this manual Unlike previous diving computers which only base their decompression...

Страница 10: ...ppO2 When breathing oxygen at a higher partial pressure two kinds of oxygen toxicity can occur CNS damages Symptoms of poisoning occuring at short notice in the central nervous system CNS Such symptoms are irritations of the respiratory organs sickness headache pulmonary oedema cramps uncon sciousness The symptoms occur at a ppO2 of more than 1 bar and depend on the term of exposure and on the par...

Страница 11: ...siological peculiarities of oxygen and the changing decompression due to the reduced percentage of nitrogen Additional technical problems with the use and the maintenance of parts of the equipment are additional potential dangers 2 Aladin Pro Nitrox More Safety in Diving when diving with nitrox Therefore we recommend strict adherence to the following guidelines 1 Only dive with nitrox if you have ...

Страница 12: ...6 Frequently check the oxygen clock CNS O2 Limit especially when the ppO2 is greater than 1 5 bar 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 Limit has dropped below 40 8 Aladin Pro Nitrox is a personal inst...

Страница 13: ...itrox uses both optical and acoustic alarms The acoustic alarm uses varied sound signals to assist in identifying the reason for the 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 By using the Aladin Pro Nitrox s logbook a diver may directly call up information from the...

Страница 14: ...itrox uses a new decompression calculation model known as the ZH L8 ADT This model useseightcompartmentsor tissue groupswith nominalhalf time periodsfrom5to640minutes Thismodeldiffersconsiderablyfromothermodels by its consideration of the following addi tional physiological processes 1 Blood perfusion to the body s organs is not constant Skin and muscletissuesareinparticularsubject to changes in b...

Страница 15: ...micro bubbles in the venous circulation after the dive 2 The decompression model used by the Aladin Pro Nitrox considers nitrogen in both its dissolved as well as its gaseous phase microbubbles Formati on of microbubbles is considered to be a strong indicator of a high risk of decompression sickness The Aladin Pro Nitrox model calculates the formation of microbubbles depending on various assumed i...

Страница 16: ...ong at depth may be overcome if the diver carefully follows the Aladin Pro Nitrox s 4 The Calculation Model ZH L8 ADT 4 2 Advantages Onthefirstdivesfollowingresponsibledivingprocedures a diver using the Aladin Pro Nitrox should never require decompression stops although a three to five minute safety stop between 3 and 9 metres is recommended foreverydive If however unplannedcircumstancesarise duri...

Страница 17: ...ability Despite this no dive should be made with an Aladin Pro Nitrox without a thorough understanding of decompression theory and dive table use and every diver must have a set of decompression tables with him on every dive Do not use the Aladin Pro Nitrox without a set of accepted nitrox diving tables with you as a back up decom pression tool on every dive Should decompression sickness occur whe...

Страница 18: ...LADIN 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 ...

Страница 19: ... 12 depth dive time deco info max depth NO STOP The Aladin Pro Nitrox system consists of two units 1 The dive computer displays the dive and decom pression data 1 Description NO STOP CNS O2 LIMIT depth dive time max depth deco info 1 ...

Страница 20: ...ive 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 1 Description depth dive time deco info max depth DIVE 2 ...

Страница 21: ...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 to switch on the computer to activate the logbook and dive plan mode and to switch between no stop and decompression planning It is also used to confirm inputs and is therefore comparable to the ENTER or RETURN key of...

Страница 22: ...x depth depth div e tim e deco info ma x depth depth div e tim e deco info ma x depth 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 ...

Страница 23: ... battery capacity for approximately 5 seconds As soon as the battery capacity is 0 a battery alarm is sent see page 37 There is still a small reserve left at bAt 0 2 Dive Computer depth dive time max depth deco info O2 MIX depth dive time max depth deco info h h DO NOT FLY DESATURATION CNS O2 LIMIT O2 MIX depth dive time max depth deco info depth dive time max depth deco info 1 2 3 Ready mode Surf...

Страница 24: ...ro Nitrox shows the most recent dive h LOGBOOK depth dive time max depth deco info LOGBOOK depth dive time max depth deco info 4 depth dive time max depth deco info O2 MIX h h DO NOT FLY depth dive time max depth deco info O2 MIX DESATURATION CNS O2 LIMIT Ready mode Surface mode 2 Dive Computer depth div e tim e deco info ma x depth depth div e tim e deco info ma x depth ...

Страница 25: ...y after three minutes 2 Dive Computer LOGBOOK depth dive time max depth deco info O2 MIX depth dive time max depth deco info 5 depth dive time max depth deco info O2 MIX h h DO NOT FLY depth dive time max depth deco info O2 MIX DESATURATION CNS O2 LIMIT Ready mode Surface mode or after 3 minutes depth div e tim e deco info ma x depth depth div e tim e deco info ma x depth ...

Страница 26: ...5 c Leaving the O2 Mix function B and E or automatically after three minutes new setting is not accepted 2 Dive Computer O2 MIX depth dive time max depth deco info depth dive time max depth deco info O2 MIX h h DO NOT FLY depth dive time max depth deco info O2 MIX DESATURATION CNS O2 LIMIT Ready mode Surface mode or after 3 minutes ...

Страница 27: ...ive plan is activated out of the surface mode first enter the desired interval by B and or B and Confirmation with B and E 6 c Leaving the dive plan B and E for approx 3 seconds or automatically after three minutes 2 Dive Computer 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 O2 MIX h h DO NOT FLY depth dive ...

Страница 28: ...e every minute to measure atmospheric pressure The display remains switched off If a change in altitude is recognized Aladin Pro Nitrox switches to surface mode for 3 minutes Ready mode Activation By touching contacts B and E from sleep mode To check the display all signs light up for 5 seconds 2 Dive Computer h h m ft NO STOP DO NOT FLY DESATURATION S L O W DIVEPLAN LOGBOOK CNS O2 LIMIT depth div...

Страница 29: ... of oxygen is shown In certain circumstances altitude sections are also displayed By touching contacts B and E in the ready mode once more Aladin Pro Nitrox will display the remaining battery capacity in percent Three minutes after activating the ready mode Aladin Pro Nitrox will fall back into the sleep mode 2 Dive Computer depth dive time max depth deco info O2 MIX ...

Страница 30: ...h is reached but at least for the first 5 minutes of the dive Wait mode Activation automatically on reaching the surface The wait mode is activated if the the diver surfaces diving depth less than 0 5 m At the surface the dive is not completed and entered into the logbook for an interval of 5 minutes This allows the short surfacing for orientation or tank exchange During the 5 minutes waiting time...

Страница 31: ... by oxygen or nitrogen saturation value becomes 0 In order to save energy Aladin Pro Nitrox falls into the surface sleep after 3 minutes The functions of surface mode are then carried out in the background The atmospheric pressure is measured in surface sleep once every minute If the atmospheric pressure decreases for example in case of change of altitude Ala din Pro Nitrox switches from sleep mod...

Страница 32: ...ox can be connected with an MS DOS personal computer with an optional interface The last 37 dives and the last dive profiles can be read The number of profiles depends on the length of the dives a total of 200 diving minutes maximum O2 Mix mode The O2 Mix mode serves to select the percentage of oxygen in the nitrox gas mixture The percentage of oxygen can be set from 21 to 50 Before every dive mak...

Страница 33: ...of the depth The computer is locked from use for the next 24 hours Desaturation is still calculated including microbubbles in the tissues Diving is again possible after 24 hours but the SOS mode can influence the calculations of Aladin Pro Nitrox for three days after the incident due to the possible presence of microbubbles If a diver using Aladin Pro Nitrox experiences a diving accident resulting...

Страница 34: ...8 3 2 Setting gas mixture ____________________ 39 4 Functions during the Dive 4 1 Dive time_____________________________ 40 4 2 Current depth ________________________ 40 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 information ____________...

Страница 35: ...e 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 CNS O2 Limit Oxygen toxicity dive time no stop time decompression phase depth dive time max depth deco info NO STOP 24min no stop phase A A C C B B D D current depth maximal depth CNS O2 LIMIT ...

Страница 36: ...bed duration of the decompression stop at the displayed decompression stage Total ascent time to surface Total ascent time including decompression stops CNS O2 Limit Oxygen toxicity lowest deco stop 7 min total ascent time to surface 2 min decompression time 6 m 39 0 m decompression range no stop range A B C m CNS O2 LIMIT depth dive time max depth DECOSTOP deco info A B C ...

Страница 37: ...gen in the Nitrox mixture can be set between 21 normal compressed air and 50 ppO2 max Partial pressure of oxygen The higher the percentage of oxygen in the used mixture the smaller the dive depth at which the tolerable partial pressure of oxygen ppO2 max is reached Aladin Pro Nitrox does not display the value but warns the diver when he reaches the tolerable maximum depth CNS O2 LIMIT Oxygen toxic...

Страница 38: ...Diving with Aladin Pro Nitrox III 1 Terminology Symbols Nitrox diving may only be attempted by experienced divers with special training O2 Toxizität steigt ppO2 max ppO2 0 5 bar CNS O2 LIMIT O2 Toxizität sinkt ...

Страница 39: ... 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 Attention messages come up in the following situations 2 Attention Messages and Alarms Dive in mountain lake On a change of altitude the altitude section 0 3 and adaptation time is s...

Страница 40: ...not higher than 1 6 bar by interface and DataTalk software Oxygen toxicity An oxygen toxicity of 75 is reached Avoid a further increase of the value by beginning the ascent 2 Attention Messages and Alarms NO STOP S L O W CNS O2 LIMIT depth dive time max depth deco info O2 MIX 4 sec NO STOP S L O W depth dive time max depth deco info O2 MIX 4 sec ...

Страница 41: ...OT FLY DESATURATION S L O W CNS O2 LIMIT depth dive time max depth deco info O2 MIX Warning of bubbles Extension of the surface interval is recommended See pages 52 and 75 Serious injury or death may result from failing to immediately respond to alarms given by Aladin Pro Nitrox ...

Страница 42: ...ne frequency can be heard during the whole duration of the alarm An alarm occurs in the following situations NO STOP S L O W depth dive time max depth deco info SPEED CNS O2 LIMIT depth dive time max depth deco info O2 MIX NO STOP Excessive ascent rate Reduce ascent rate Oxygen toxicity The oxygen toxicity reaches 100 Start ascent at once Oxygen toxicity reaching 100 can lead to dangerous neurolog...

Страница 43: ...iving with Aladin Pro Nitrox 36 2 Attention Messages and Alarms h m CNS O2 LIMIT depth dive time max depth deco info DECOSTOP Ignoring decompression stop Descend to the prescribed decompression depth at once ...

Страница 44: ...g display 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 2 Attention Messages and Alarms depth dive time max depth deco info depth dive time max depth deco info NO STOP NO STOP ...

Страница 45: ...n Pro Nitrox will not automatically activate into the dive mode 2 The Aladin Pro Nitrox is now in ready mode It switches on automatically on being submerged in water and activates dive mode when a depth of more than 0 5 metre is reached The depth indication may be delayed for a few seconds depth dive time max depth deco info O2 MIX h h m ft NO STOP DO NOT FLY DESATURATION S L O W DIVEPLAN LOGBOOK ...

Страница 46: ...e the percentage of oxygen from 21 to 50 bridging B and decreases the percentage of oxygen 5 Confirm with B and E Aladin Pro Nitrox 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 Nitrox to miscalculation for this particular dive If the percentage of oxygen is set too low this...

Страница 47: ...minutes because the display cannot show a larger figure 4 2 Current depth Current depth is given in 10 cm increments On switching on and at a diving depth of less than 1 2 metres the void display appears Depth measurement is based on fresh water Therefore Aladin Pro Nitrox shows a slightly greater depth than actually true when diving in salt water depending on the salinity of the water 4 Functions...

Страница 48: ...he 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 The percentage of oxygen is displayed instead of the maximum depth until a first maximum depth is reached but at least for the first 5 minutes of the dive NO STOP depth dive time max depth deco info CNS O2 LIMIT ...

Страница 49: ...he 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 slow an ascent may cause heightened saturation of tissues and an extension of both decompression time and total ascent time At shallow depth a slow ascent may shorten the decompression time be...

Страница 50: ...x III Messages Ascent rate Optical Acoustic alarm alarm Excessive ascent rates for longer periods are entered in the logbook Response Reduce ascent rate 4 Functions during the Dive SPEED SPEED S L O W S L O W SPEED SPEED S L O W S L O W ...

Страница 51: ... maximum ppO2 the limit for an attention message is reached at different depths When the set tolerable partial pressure is reached Aladin Pro Nitrox sends an acoustic attention message and the current depth display starts flashing Response Ascend to a shallower depth in order to diminish the danger of oxygen toxicity The allowed maximum depth should not be exceeded or only for a short period Disre...

Страница 52: ...tinuously Response As the value must no longer increase go to a shallower depth if necessary When oxygen toxicity reaches 100 an acoustic alarm is sent every 4 seconds CNS O2 LIMIT and the percentage value flashes continuously Response Start ascent at once During an ascent warning and if the partial pressure of oxygen drops below 0 5 bar the acoustic warning is suppressed During the ascent the dis...

Страница 53: ... There is an acoustic signal if no stop time is less than 1 minute In this last minute the no stop display shows the flashing value 0 Response In order to prevent a decompression dive you must ascend a few feet after this message It is dangerous and an unsafe diving practice to push the Aladin Pro Nitrox or any other decompression tool to its limits Avoid no stop times of less than three minutes a...

Страница 54: ...he no stop time again Messages The decompression alarm is activated if the decompression stop is ignored The arrow DECOSTOP begins flashing and an acoustic alarm is initiated Due to the formation of microbubbles decompression can increase massively if a decompression stop is ignored When the surface is reached during the decompression alarm the arrow DECOSTOP continues flashing in order to point t...

Страница 55: ...ent The time of ascent to the first decompression stage and all decompression stops are included The time of ascent is calculated on the basis of the prescribed ascent rate Total time of ascent can be subject to change if the ascent rate is not ideal 100 4 Functions during the Dive CNS O2 LIMIT depth dive time max depth deco info O2 MIX m DECOSTOP ...

Страница 56: ... logbook and Aladin Pro Nitrox switches into surface mode In surface mode Aladin Pro Nitrox shows desaturation time no fly time and CNS O2LIMIT If the tank is changed in this phase you must make sure that the mixture is exactly the same as the one previously used If you want to dive with another mixture you must wait at the surface for 5 minutes to allow the Aladin Pro Nitrox to close the dive The...

Страница 57: ...mes with the Aladin Pro Nitrox are considerably longer than those of its predecessors This is because the calculation model assumes reduced physical activity at the surface therefore less nitrogen off gassing and uses longer half times If desaturation time reaches zero the tissue models of the Aladin Pro Nitrox are desaturated and it switches into the sleep mode Desaturation time is determined eit...

Страница 58: ... before a flight is displayed In some cases the no fly time is considerably longer than with previous models because of recalibrated desaturation time Flying while the Aladin Pro Nitrox displays DO NOT FLY may lead to serious injury or death from decompression sickness 5 Functions at the Surface h h DO NOT FLY DESATURATION CNS O2 LIMIT depth dive time max depth deco info O2 MIX ...

Страница 59: ...ce interval it will advise a diver to extend the surface interval If the display Atn attention is visible instead of the depth during the surface interval surface mode the diver should not undertake another dive Through the extension of the interval the diver may prevent a high concentration of bubbles in the lungs during the planned dive and avoid a higher risk situation If the dive has to be mad...

Страница 60: ...ided 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 stylised mountains if a mountain lake altitude is reached Sea level to an altitude of approximately 1000 metres is not indicated In the following you can see the approximate ...

Страница 61: ...compression information for the dive Oxygen toxicity is still calculated Very small differences in the pressure sensors 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 Nitrox But if an altitude section is displayed at sea...

Страница 62: ...ox IV 1 Diving at Reduced Risk with Aladin Pro Nitrox 1 1 Diving at r educed risk __________________ 56 1 2 Minimizingriskonr epetitivedives ________ 58 1 3 Responseinincr easedrisksituations ______ 59 IV DIVING AT REDUCED RISK WITH ALADIN PRO NITROX ...

Страница 63: ...mpr essionsicknesssuppor tsthecr eationoftheseguidelinesfordivingatr educedriskfordecompr ession sickness Thefollowingar ehighlyr ecommendedsuggestions Neither the Aladin Pro Nitr ox nor any other diving computer or decompression table can guarantee that decompression sickness will not occur even if the computer or table is used correctly and all of the following precautions are followed Check O2 ...

Страница 64: ...cate or deter mine decompr ession status must use theirowndivingcomputer Onanygivendive bothdiversinabuddypairmustfollowthemostconservativedivecomputerforthat particulardive Ifthe Aladin ProNitr oxfailsatanytimeduringthedive thedivemustbeter minated andappr opriate surfacingpr ocedur esshouldbeinitiatedimmediately Youshouldnotdiveforaperiodoftwenty fourhoursbefor eactivatingthe Aladin ProNitr oxto...

Страница 65: ... vethevisualandacousticalar msignalsofthe Aladin ProNitr ox Avoidsituationsofincr eased riskwhichar emarkedwithawar ningsigninthisoperatingmanual Avoidr epeatedascentsanddescents yo yodiving whileusingthe Aladin ProNitr ox 1 2 Minimizing risk on repetitive dives Withconsecutiver epetitivedives ther ewillbeexcessnitr ogeninthebodyduetotheaccumulationofnitr ogen onthepr ecedingdive Dependingonthelen...

Страница 66: ...he Atn isvisibleonthedisplay Takeadayof ffromdivingever ythr eeorfourdays 1 3 Response in increased risk situations Ifthediveincludesanincr easedrisksituation Aladin ProNitr oxr eactsautomaticallytowar nthediverofthis riskandtodecr easeRBTorincr easer equir eddecompr ession asthecasemaybe Achangeofdecompr ession maybeindicatedtominimizetherisk Thedivercanfur therr educetheriskbyfollowingconser vat...

Страница 67: ...thenewdecompr essionpr escriptionshownby Aladin ProNitr ox Afterthedive Watchforsymptomsofar terialgasembolismanddecompr essionsickness Seek immediate medical attention at a r ecompr ession chamber should any signsorsymptomsofdecompr essionsicknessappear Befor e the next dive plan a suf ficiently long inter val display Atn should havedisappear ed Anexessiveascentratecanleadtoseriousinjur yordeathf...

Страница 68: ... diver Duringthedive Descendtothepr escribeddecompr essiondepthatonce Donotdescendtogr eaterdepthsduringthedive Obser vethedecompr essionpr escribedby Aladin ProNitr ox Afterthedive Watchoutforsymptomsofar terialgasembolismanddecompr essionsickness Befor e the next dive plan a suf ficiently long inter val display Atn should havedisappear ed Failur etocomplywithalldecompr essioninfor mationonthe Al...

Страница 69: ...ideration for the next dive Reactionofcomputer Aladin ProNitr oxcalculatesashor terno stoptimeordecompr essionpr escription toreducetheriskofdecompr essionsickness Recommended response of the diver Duringthedive Diveconser vativelyonallr epetitivedives Limityourmaximumdepthtonomor e than 25 metr es at the ver y beginning of the dive do not allow the RBT to go belowthr eeminutes andmakeaver yslowas...

Страница 70: ...actionofcomputer Anacousticandvisualalarmisgiven Recommended response of the diver AscendimmediatelyuntilppO 2 islessthen0 5barandthebuzzerstops Situation ppO2 reachesthesetvalue Reactionofcomputer Depthindicationisflashing attentionmessage Recommended response of the diver Ascendabovecriticaldepthlimit Obser ve CNSO 2 LIMIT car efully ...

Страница 71: ...64 IV Diving at Reduced Risk with Aladin Pro Nitrox ...

Страница 72: ...________ 66 2 Selection and Activation _____________________________________ 67 3 Selection of Dive _____________________________________ 68 4 Leaving the Logbook Mode _____________________________________ 69 5 Output on PC _____________________________________ 70 ...

Страница 73: ...on of the dive dive number duration of surface inter val only with repetitive dives If a dive is started within adaptation time after a change of altitude the adaptation time is displayed instead of the surface interval h S L O W LOGBOOK depth dive time max depth deco info DECOSTOP O2 MIX 1 Survey dive time maximum depth altitude sections if any alarms during the dive ...

Страница 74: ... In order to activate the logbook bridge contacts B and E The most recent dive is displayed DIVE I 2 Selection and Activation 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 h LOGBOOK CNS O2 LIMIT depth dive time max depth de...

Страница 75: ...E 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 3 Selection of Dive 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 depth deco ...

Страница 76: ... depth deco info h h DO NOT FLY depth dive time max depth deco info DESATURATION O2 MIX O2 MIX CNS O2 LIMIT Touch contacts B and E Aladin Pro Nitrox switches back into ready or surface mode This also happens 3 minutes after activating logbook mode 4 Leaving the Logbook Mode or after 3 minutes ...

Страница 77: ...rofiles 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 The possibilities and the procedure of this data transfer are described in a separate manual depth dive time deco info max depth DIVE ...

Страница 78: ...ion 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 _____________________________________ 79 ...

Страница 79: ...co info DECOSTOP NO STOP DIVEPLAN depth dive time max depth deco info DECOSTOP depth dive time max depth deco info O2 MIX Planning of no stop dives Presetting the surface interval only during desaturation Planning of Nitrox dives If you do not alter the setting of the gas mixture portion of oxygen the planning will be based on the already set mixture Planned decompression dives are not to be attem...

Страница 80: ...d 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 75 planning of a no stop dive 2 Selection and Activation from Ready Mode 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 ...

Страница 81: ... Selection and Activation from Surface Mode depth dive time max depth deco info depth dive time max depth deco info DIVEPLAN depth dive time max depth deco info h DESATURATION h DIVEPLAN deco info max depth O2 MIX 2x 2x 4b You can extend the interval with contacts B and B and shorten the interval 5 You confirm the new surfa ce interval and get into no stop planning page 75 4a If no surface interva...

Страница 82: ...es if the surface interval is not long enough Too rapid an ascent and or disregarding decompression instructions can lead to microbubbles By calculating the formation of bubbles Aladin Pro Nitrox is able to advise the diver to extend the surface interval if necessary If Atn is displayed instead of the depth in addition to the no stop times the diver should plan an extension of the interval if poss...

Страница 83: ... 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 serious injury or death from decompression sickness 4 Planning a No Stop Dive ...

Страница 84: ...w one minute longer than no stop time and the decompression 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 Nitrox calculates the decompression information for this set time This calculation takes some time If you wish to plan a dive requiring decompression at another depth switch f...

Страница 85: ...et mixture and the set maximum partial pressure of oxygen 6 2 Calculation of the mixture for a given depth 1 Activate the dive planner and observe the maximum depth displayed 2 If the desired depth is reached or exceeded leave the dive planner alter the percentage of oxygen and return to the scrolling no stop times Repeat this procedure until the desired depth occurs as the maximum depth 3 In read...

Страница 86: ...s In order to completely leave the diveplan mode B and E must be continually bridged until two acoustic bleeps have occured m DIVEPLAN depth dive time max depth deco info DECOSTOP depth dive time max depth deco info O2 MIX 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 ...

Страница 87: ...80 VI Dive Planner ...

Страница 88: ...VII Interface 81 VII VII INTERFACE 1 Interface 1 1 Personal programming of the dive computer __ 82 1 2 Analysis and storage of real dives ____________ 83 ...

Страница 89: ...The attention message acoustic signals can be switched off if desired see pgs 32 33 The actual attention messages shown on the face of the Aladin Pro Nitrox are not affected by the acoustic signal being switched off The acoustic messages for alarm cannot be switched off Alarm messages are not enough gas mixture for safe ascent ignoring decompression stop making too rapid an ascent exceeding CNS O2...

Страница 90: ...ry point in time The DataTrak releases 1 6 and higher recognize the Aladin Pro Nitrox and display the respective data The PC program enables the diver to keep a personal logbook Apart from the last 200 minutes of diving 37 dives are recorded in the logbook of Aladin Pro Nitrox If the data from Aladin Pro Nitrox are transferred periodically all dives are stored in the PC as profiles or in this shor...

Страница 91: ...84 VII Interface ...

Страница 92: ...VIII Trouble Shooting 85 symptom possible reason s response VIII VIII TROUBLE SHOOTING 1 Trouble Shooting _____________________________________ 86 ...

Страница 93: ... current altitude Desaturation time and or no fly time are very long Atn appears in place of the diving depth on the display Atmospheric pressure is especially high or low Gas mixture pressure measured by the computer is wrong Slow tissue and or little workload at the surface Too many repetitive dives yo yo diving square profile repetitive dives or disre garding decompression stops Dissolved nitro...

Страница 94: ...by means of the interface Too rapid an ascent or ignoring decom pression stops have caused a large number of microbubbles which leads to an attention message warning of bubbles The acoustic signal of the attention messages is switched off An unexpected decom pression stop appears in place of no stoptime or decompression increases rapidly Attention messages are not given acoustically 1 Trouble Shoo...

Страница 95: ...88 VIII Trouble Shooting symptom possible reason s response ...

Страница 96: ... 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 ...

Страница 97: ...r jarring your Aladin Pro Nitrox Do not allow your Aladin Pro Nitrox to be exposed to direct intense sunlight Rinse your Aladin Pro Nitrox thoroughly with fresh water after each dive Do not store your Aladin Pro Nitrox 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 Nitrox housing can be treated with ...

Страница 98: ...e 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 The computer is checked for its technical functioning at the same time Do not attempt to have the batteries changed by anyone other than an authorized dealer 1 Maintenance of Aladin Pro Nitrox Dive Computer ...

Страница 99: ...Clock quartz timer display up to 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 every dive Number of dives per year dive computer years 2 Technical Information 50 7 100 5 5 150 4 300 2 5 ...

Страница 100: ...arge the replacement of faulty parts or the entire dive computer respectively 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 excessive wear and tear exterior influences e g transport damage damage due to bumping and hitting influences of weather or other natural phenomena...

Страница 101: ...arranty 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 The manufacturer does not have to accept extensions of the warranty granted by national importers 4 Warranty ...

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Uwatec Aladin Pro Nitrox, Руководство по эксплуатации

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