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By repeated recallings of the diveplan with varying surface intervals the mini-
mum interval can be determined.

• When diving in spite of the display <Atn>, a clear shortening of the no-stop

time and 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!

69

4  Planning a No-Stop Dive

VI Uwatec

®

Aladin

®

Air Z

VI

WARNING

Содержание ALADIN AIR Z

Страница 1: ...American feet THE SYSTEM Active Light SWISS MADE BY UWATEC AG AIR Z O P E R A T I N G M A N U A L...

Страница 2: ...ons Sleep Surface Sleep Ready or Surface Battery capacity 1 2 3 5 4 5sec or 3min or 3min 3s or 3min or 3min NO STOP depth dive time max depth deco info automatically DIVEPLAN DIVEPLAN input stage LOGB...

Страница 3: ...ich are important for optimal use of the functions of your Aladin Air Z Danger Indicates a potentially hazardous situation which if not avoided could result in death or serious injury E B Operating in...

Страница 4: ...compression sickness neither it nor any other diving computer or table can exactly monitor the physiological changes that occur in your body as you dive In addition each diver will vary in his or her...

Страница 5: ...ated immediately On any given dive all divers in a buddy group must follow the most conservative dive computer for that particular dive Repetitive dives after exchanging the dive computer Wait at leas...

Страница 6: ...6 Uwatec Aladin Air Z Aladin Air Z The Diving System Dive Computer Aladin Air Z MemoMouse and logbook software DataTrak Option E B Screen Guard Optional Several colours Transmitter Option...

Страница 7: ...__ 2 1 Attention messages ________________36 I 2 2 Alarms ___________________________37 2 3 Alarm low battery _________________38 3 Preparation for the Dive ________________38 4 Functions during the D...

Страница 8: ...1 Personal programming of the dive computer DataTalk ___________ 74 1 2 Analysis and storage of real dives DataTrak ___________________ 74 1 3 Updates DataTrak DataTalk ________ 74 Trouble Shooting _...

Страница 9: ...________________________________10 2 Aladin Air Z Your Personal Companion _________________________________________10 3 The Calculation Model ZH L8 ADT 3 1 Description ____________________________12 3...

Страница 10: ...ing these risk factors as well as monitoring your exact air supply the Aladin Air Z allows you to plan and execute dives with a greater degree of safety than with other models of decompression compute...

Страница 11: ...nd take appropria te action based upon those alarms to avoid serious injury or death from decompression sickness By using the Aladin Air Z s logbook a diver may directly call up information from the l...

Страница 12: ...g that dive 2 The decompression model used by the Aladin Air Z considers nitrogen in both its dissolved as well as its gaseous phase microbubbles Formation of microbubbles is considered to be a strong...

Страница 13: ...the risk of decompression sickness by reducing remaining bottom time and or increasing decompression time Some of the more common risk situations are as follows Repetitive dives especially those deep...

Страница 14: ...rected ascent instructions Of course the Aladin Air Z can do nothing to prevent the occurrence of lung over expansion injuries or nitrogen narcosis whose avoidance lies solely with the individual dive...

Страница 15: ...ransmitter 2 1 Operating modes and functions ______________18 3 Dive Computer 3 1 Operating_________________________________19 Active backlight ___________________________20 3 2 Operating modes ______...

Страница 16: ...calculated on the basis of the measured tank pressure are displayed in the lower part 3 The dive computer has a data memory which stores the dive data The data can be downloaded out into a MemoMouse f...

Страница 17: ...ried out by a process with various safety levels in order to prevent faulty pairing 2 Data are transmitted in an average interval of 5 seconds The exact point in time of the transmission is variable T...

Страница 18: ...ge of 5 seconds Standby mode If there is no decrease in tank pressure no breathing the transmission is stop ped after 3 minutes in order to save energy Pressure measuring continues As soon as breathin...

Страница 19: ...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 I...

Страница 20: ...witched 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 sub...

Страница 21: ...mode or surface mode 3 A second bridging of contacts B and E activates the display of the remaining battery capacity for approxi mately 5 seconds As soon as the battery capacity is 0 a battery alarm...

Страница 22: ...e minutes without operation 4b Activating the logbook B and E Aladin Air Z shows the most recent dive depth dive time max depth deco info h h DO NOT FLY DESATURATION depth dive time max depth deco inf...

Страница 23: ...ing the dive plan function B and Cancel B and or automatically after three minutes without operation depth dive time max depth deco info LOGBOOK DIVE depth dive time max depth deco info h h DO NOT FLY...

Страница 24: ...surface mode first enter the desired interval by B and or B and Confirmation with B and E 5c Leaving the dive plan B and E for approx 3 seconds or automatically after three minutes Ready mode Surface...

Страница 25: ...signs light up for 5 seconds Aladin Air Z switches into ready mode afterwards Once in ready mode the display is switched on and altitude sections are eventually displayed If the appertaining transmitt...

Страница 26: ...ook for an interval of 5 minutes This allows a short surfacing for the purpose of orienta tion Surface mode Activation automatically after a dive or when changing altitude After a dive has been comple...

Страница 27: ...a 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 alarms A dive is entered in the logbook if it has la...

Страница 28: ...is again possible after 24 hours but the SOS mode can influence the calculations of Aladin Air Z for three days after the incident due to the possible presence of microbubbles If a diver using Aladin...

Страница 29: ...regulator s first stage before the first dive Procedure The transmitter is best mounted laterally on the regulator Do not hold the trans mitter by its plastic part Mount the transmitter at the HP oul...

Страница 30: ...Transmitter and Dive Computer II Uwatec Aladin Air Z Position of the transmitter for left handers Position of the transmitter for right handers Position of the transmitter for left handers if there is...

Страница 31: ...closed The transmitter switches on automatically 3 Check the display in the lower part of Aladin Air Z Pairing has been carried out correctly if the pressure is displayed within 5 10 seconds If there...

Страница 32: ...faulty pairing the display FAIL appears instead of PAIr In that case completely purge the regulator and repeat the pairing procedure This is only possible after at least 15 seconds Pairing of transmi...

Страница 33: ...Dive 4 1 Dive time _________________________________40 4 2 Current depth _____________________________40 4 3 Maximum depth ___________________________41 4 4 Ascent rate _______________________________...

Страница 34: ...ase Dive phase during which ascent is allowed without decompression stops Dive time Time of the dive below depth of 4 ft RBT Remaining Bottom Time Time for which the air supply is sufficient at the cu...

Страница 35: ...current depth until ascent must be started Decompression depth Lowest stage is displayed Decompression time Prescribed duration of the decompression stop at the displayed decompression stage Total asc...

Страница 36: ...n interval of 4 seconds in two different fre quencies Attention messages come up in the following situations 36 III Uwatec Aladin Air Z 2 Attention Messages and Alarms h DESATURATION depth dive time m...

Страница 37: ...III Uwatec Aladin Air Z III 2 Attention Messages and Alarms Out of breath war ning increased air consumption Breathe more quietly relax Excessive ascent rate Reduce ascent rate Remaining bottom time z...

Страница 38: ...see pages 29 30 and that it is paired with Aladin Air Z see page 31 If the Aladin Air Z transmitter is not correctly mounted or is not correctly paired it will not per form properly and serious injury...

Страница 39: ...The Aladin Air Z is now in ready mode It switches on automatically 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...

Страница 40: ...pth of less than 2 ft the void display appears Depth measurement is based on freshwater Therefore Aladin Air Z shows a slightly greater depth than actually true when diving in salt water depending on...

Страница 41: ...at all times Exceeding the pre scribed ascent rate can lead to microbubbles in the arterial circulation which can lead to serious injury or death due to decompression sickness The Aladin Air Z may req...

Страница 42: ...II Uwatec Aladin Air Z Messages Excessive ascent rates of longer periods are entered in the logbook Response Reduce ascent rate Ascent rate Optical alarm Acoustic alarm SPEED SPEED S L O W S L O W SPE...

Страница 43: ...r any other decompres sion tool to its limits Avoid no stop times of less than three minutes at any given depth Decompression values On entering the decompression phase the arrow NO STOP disappears Th...

Страница 44: ...corrective action is not taken If the total cumulative duration of the decompression alarm is longer than a minute it is entered in the logbook Response Descend to the prescribed decompression depth...

Страница 45: ...ce exertion and breathe more slowly Interruption of transmission If no data are received the display of Aladin Air Z shows the interruption of the transmission antenna warning alarm signal 30 seconds...

Страница 46: ...tank pressure the temperature and the dive data so far registered The RBT is based on the assumption that the tank pressure should amount to at least 580 psi at the end of the dive Alterations of thi...

Страница 47: ...T when using a reserve or J type valve is possible only if the reserve function of the valve is in the open down position during the dive The acoustic alarm on exceeding the RBT is suppressed at depth...

Страница 48: ...layed next to that Desaturation time is continually indicated until the next dive or until it reaches zero The dis play is switched off to save energy three minutes after the last manipulation is made...

Страница 49: ...re repetitive dives the surface interval should be planned long enough to reduce the risk of decompression sickness If Aladin Air Z calculates that the formation of microbubbles may occur during the s...

Страница 50: ...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 t...

Страница 51: ...Beside the display of the altitude section 3 HI high appears tel ling the diver that he will not get any decompression information for the dive Even the smallest differences in the pressure receptors...

Страница 52: ...52 III Uwatec Aladin Air Z...

Страница 53: ...Air Z IV Uwatec Aladin Air Z 1 Diving at Reduced Risk with Aladin Air Z 1 1 Diving at reduced risk ________________________54 1 2 Minimizing risk on repetitive dives______________55 1 3 Response in in...

Страница 54: ...In accordance with the recommended maximum diving limit do not dive deeper than 130 feet Do not use the Aladin Air Z for planned decompression diving The decompression alogrithm contai ned in the Alad...

Страница 55: ...able should be pushed to its limits Give yourself a margin of safety by always leaving at least a few minutes in the no stop box before making your ascent Avoid repeated ascents and descents yo yo div...

Страница 56: ...dicated to minimize the risk The diver can further reduce the risk through his conser vative diving practices on the next dive and at the same time prevent long decompression stops A few examples on t...

Страница 57: ...s displayed in order to assure sufficient time for desaturation Recommended action of the diver During the dive Descend to the prescribed decompression depth at once Do not descend to greater depths d...

Страница 58: ...rease your surface interval Situation 4 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 build...

Страница 59: ...__________60 2 Selection and Activation _________________________________________61 3 Selection of Dive _________________________________________62 4 Leaving Logbook Mode _____________________________...

Страница 60: ...inutes Displayed information of the dive If a dive is started within adaptation time after a change of altitude the adaptation time is displayed instead of the surface interval alarms during the dive...

Страница 61: ...erval appears as well You go back into ready or surface mode by B and 2 In order to activate the logbook bridge contacts B and E The most recent dive is displayed DIVE 1 depth dive time max depth deco...

Страница 62: ...ridging of the contacts all dives are displayed successively 4 Bridging contacts B and effects switching back from older dives to more recent ones 62 3 Selection of Dive V Uwatec Aladin Air Z depth di...

Страница 63: ...in Air Z switches back into ready or surface mode This also happens 3 minutes after activating logbook mode depth dive time max depth deco info DIVE tank data psi or after 3 minutes depth dive time ma...

Страница 64: ...t 37 dives can be read out In the same way 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...

Страница 65: ...________________________________66 3 Selection and Activation from Surface Mode _________________________________________67 4 Planning a No Stop Dive _________________________________________68 5 Plan...

Страница 66: ...opriate equipment for decompression diving including the presence of an on board recompression chamber should attempt to plan a decompression dive 2 Selection and Activation from Ready Mode h depth di...

Страница 67: ...splay shows 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 Air Z expects your input for the duration of the dive...

Страница 68: ...sible no stop times are displayed in 10 ft increments The process starts with the plan depth of the no stop time which must be shorter than 99 minutes The no stop time for every 10 ft increment is dis...

Страница 69: ...tening of the no stop time and 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 whe...

Страница 70: ...ession planning Dive time is now one minute longer than no stop time and the appertaining decompression information appears 3 Add demands that you set the time This is done with contacts B and B and r...

Страница 71: ...he 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...

Страница 72: ...72 VI Uwatec Aladin Air Z...

Страница 73: ...adin Air Z VII 1 MemoMouse DataTrak and DataTalk 1 1 Personal programming of the dive computer DataTalk ___________________ 74 1 2 Analysis and storage of real dives DataTrak _________________________...

Страница 74: ...the message out of breath can be altered If you switch off the acoustic alarm of the Aladin Air Z you must pay even more careful attention to the actual alarms on the face of the Aladin Air Z Failure...

Страница 75: ...75 VIII Trouble Shooting VIII Uwatec Aladin Air Z 1 Trouble Shooting ________________________________________ 76 VIII...

Страница 76: ...perature only possible in air Manometer pressure gauge is not accurate temperature 68 F Pair transmitter and computer see chapter II 4 If the pairing is not possible with ano ther transmitter the rece...

Страница 77: ...ding decompression stops Dissolved nitrogen and or microbub bles must be off gassed first Too many repetitive dives yo yo diving square profile repetitive dives or disregarding decompression stops Dis...

Страница 78: ...emaining bottom time RBT always very short The acoustic signal of the attention messages is switched off Rest pressure is set too high standard setting 580 psi Reactivate these attention messages by m...

Страница 79: ..._81 3 Conversion of Tank Pressure _________________________________________82 4 Warranty _________________________________________83 4 1 Recognition of warranty ____________________83 4 2 Scope of the...

Страница 80: ...ight area make sure there is free ven tilation If there are problems with operating the contacts the surface of your Aladin Air Z housing can be treated with silicone grease Use soapy water to clean t...

Страница 81: ...with the recommended maximum diving limit of all instructio nal agencies do not dive deeper than 130 feet Instrument operating range 2 to 380 feet Clock quartz timer display up to 199 minutes Operati...

Страница 82: ...ature of 68 F whereas the mechanical pressure gauge displays the actual pressure influenced by temperature The figure on the right allows you to compare the information given by a conventional pressur...

Страница 83: ...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 hit ting influences of weather or other natura...

Страница 84: ...also valid when diving with Aladin Air Z Never dive alone Aladin Air Z does not replace a diving partner Always dive according to your level or training Aladin Air Z does not increase your abilities a...

Страница 85: ...85 IX Uwatec Aladin Air Z IX...

Страница 86: ...86 IX Uwatec Aladin Air Z 5 Serial No Dealer address Printed in Switzerland 1 00 Serial No of your Aladin Air Z Dealer to affix stamp Dealer address...

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