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4 Functions during the Dive

III Uwatec

®

Aladin

®

Air Z O

2

English

III

4.12 Remaining bottom time RBT (only with pressure transmitter) 

RBT is the time left at the current depth until the point of time when the ascent must be started. The RBT
is shown in the lower display. The RBT is calculated on the basis of the current tank pressure, the tempe-
rature, and the dive data so far registered. The RBT is based on the assumption that the tank pressure
should amount to at least 40 bar at the end of the dive. Alterations to this are possible (see page 88).

The RBT-value should never reach <0:>. With a RBT=0 the remaining tank
reserve may not be guaranteed anymore after ascending. It is possible that
the gas reserve will not be big enough for the ascent.

Correct calculation of RBT 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.

dive time

deco info

NO STOP

depth

max. depth

%

CNS O

2

 

LIMIT

tank data

bar

tank data

bar

decompression range

no-stop range

 RBT 21min

7min

Содержание ALADIN AIR Z O2

Страница 1: ...O P E R A T I N G M A N U A L English SWISS MADE BY UWATEC AG THE SYSTEM English Active Light AIR Z O2...

Страница 2: ...r 3min or 3min or 3min automatically Sleep Surface Sleep 1 Ready or Surface Input stage Input stage Battery capacity LOGBOOK LOGBOOK NO STOP DO NOT FLY S L O W LOGBOOK depth dive time max depth deco i...

Страница 3: ...rks Informations and tips which are important for optimal use of the functions of your Aladin Air Z O2 Attention Informations and tips which are important for optimal use of the functions of your Alad...

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

Страница 5: ...uters to plan dives and indicate or determine decompression status must use their own computer which they take with them on all dives If the Aladin Air Z O2 fails at any time during the dive the dive...

Страница 6: ...Aladin Air Z O2 Aladin Air Z O2 The Diving System MemoMouse and logbook software DataTrak Option Screen Guard Optional several colours Dive Computer Aladin Air Z O2 E B Pressure Transmitter Option Oxy...

Страница 7: ...______38 4 5 Pairing of Oxy2 and dive computer ___38 7 Uwatec Aladin Air Z O2 English List of chapters I 4 6 Pairing of press transmitter and dive comp ___________________________40 Diving with Aladin...

Страница 8: ...4 4 Leaving the Logbook Mode ____________85 5 Output on PC ________________________86 Communication Software for Windows _______________________87 1 MemoMouse DataTrak and DataTalk 1 1 Personal progra...

Страница 9: ...More Safety in Diving _________________________________________10 3 Aladin Air Z O2 Your Personal Companion _________________________________________13 4 The Calculation Model ZH L8 ADT 4 1 Descriptio...

Страница 10: ...depth and time data the Aladin Air Z O2 also considers temperature and diver workload which are known to be addi tional risk factors for decompression sickness By considering these risk factors as we...

Страница 11: ...which shows the units of toxicity for oxygen per unit of time and is dependent on the ppO2 The indication of toxicity is shown as CNS O2 relative toxicity of oxygen for the central nervous system CNS...

Страница 12: ...ed Maximum deviation from the mixture calculation must not exceed 1 O2 A wrong gas mixture can be lethal 7 Aladin Air Z O2 has a ppO2 warning the default limits of which are set at 1 5 bar ppO2 max Th...

Страница 13: ...ody tissues as well as the diver s workload and ambient temperature This allows for a more precise calculation of a modelled risk for decompression sickness which can lead to greater diving safety The...

Страница 14: ...consideration of the following additional physiological processes 1 Blood perfusion to the body s organs is not constant Skin and muscle tissues are in particular subject to changes in blood perfusion...

Страница 15: ...also assist those local areas of impaired circulation to desaturate with less risk of decompression sickness The calculation of microbubbles results in altered ascent instructions If microbubbles are...

Страница 16: ...dive with the Aladin Air Z O2 Certain mistakes which may be made by a diver such as ascending at an excessive rate going too deep or staying too long at depth may be overcome if the diver carefully f...

Страница 17: ...eption _____________22 3 Dive Computer 3 1 Operation_________________________________23 Acticve backlight___________________________24 3 2 Operating modes __________________________29 4 Setting Up Oxy...

Страница 18: ...al values of the inhalation gas 2 With open circuit breathing systems a pressure transmitter is used which is installed at the high pressure outlet of the first stage regulator It measures tank pressu...

Страница 19: ...r or Oxy2 to receiver is supported by various levels of redundancy in order to warrant undisturbed and reliable recep tion 1 Each Oxy2 or pressure transmitter works with an allocated address This addr...

Страница 20: ...rged the pressure trans mitter is in the off mode In that case gas mixture pressure is measured every 5 seconds When pressure increases on opening the valve the pressure trans mitter leaves the off mo...

Страница 21: ...and off manually or automatically by dipping into water Checking Before each dive the Oxy2 has to be checked and a calibration may be required see Oxy2 Manual Calibration The turnable switch has to b...

Страница 22: ...puter In that case Aladin Air Z O2 works as a conventional dive computer The Aladin Air Z O2 must be paired after each change from using a pressure transmitter air nitrox to an Oxy2 or the opposite NO...

Страница 23: ...outside of the housing For manual operation 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...

Страница 24: ...can be switched on by pressing the unit above the display The light will turn off automatically after 7 seconds The backlight can only be activated if the computer display is on The active backlight...

Страница 25: ...play ready mode or surface mode 3 A second bridging of contacts B and E activates the display of the remaining battery capacity of the Aladin Air Z O2 for approximately 5 seconds As soon as the batter...

Страница 26: ...gbook B and E Aladin Air Z O2 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 de...

Страница 27: ...ix function B und Cancel B and or automatically after three minutes 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...

Страница 28: ...tomatically after three minutes new setting is not accepted When used with Oxy2 the value for the O2 Mix will be automatically determined and replaces the previous value depth dive time max depth deco...

Страница 29: ...vation the Aladin Air Z O2 switches into ready mode Once in ready mode the display is switched on and the set percentage of oxygen is shown In certain circumstances altitude sections are also displaye...

Страница 30: ...he 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 n...

Страница 31: ...din Air Z O2 switches from sleep mode or from surface sleep into surface mode automatically and displays the adaptation time The adap tation time is the time after which all body tissues have adapted...

Страница 32: ...cted O2 mix value has to be checked before each dive A new value pro bably has to be entered If an Oxy2 is used together with the Aladin Air Z O2 the oxygen fraction of the premix gas is automatically...

Страница 33: ...resence of microbubbles If a diver using Aladin Air Z O2 experiences a diving accident resulting in decompression sickness the dive can be analyzed by means of the Memo Mouse and DataTrak software An...

Страница 34: ...mpression and the oxygen toxi city are based on wrong data and this could result in death or serious injury It is recommended to mount the dive computer on the same side that the Oxy2 is located 34 4...

Страница 35: ...nsmitter is fitted at the high pressure HP outlet of the regulator s first stage before the first dive Procedure HP Do not hold the pressure transmitter by its plastic part Adaptor Fit the transmitter...

Страница 36: ...d Dive Computer II Uwatec Aladin Air Z O2 Position of the pressure trans mitter for left handers Position of the pressure transmitter for right handers Position of the pressure trans mitter for left h...

Страница 37: ...transmitter or the reverse after changing the battery of the dive computer or pressure transmitter Oxy2 and Aladin Air Z O2 must be paired everytime you change from using a pressure transmitter to an...

Страница 38: ...range of the transmitter 2 Open the tank valve while the regulator is closed The transmitter switches on automatically 3 Check the display in the lower part of Aladin Air Z O2 Pairing has been carried...

Страница 39: ...hing PAIr in the lower display 5 In order to confirm the pairing the B and E contacts have to be bridged within 5 sec A bleep confirms the input and the PAIr display still remains The computer and Oxy...

Страница 40: ...e dive computer shows a flashing PAIr in the display position of tank pressure shortly after the valve has been opened 5 In order to confirm the pairing the B and E contacts have to be bridged within...

Страница 41: ...ve time _________________________________55 4 2 Current depth _____________________________56 4 3 Maximum depth ___________________________56 4 4 Ascent rate _______________________________57 4 5 Part...

Страница 42: ...1 1 Deco data during no stop phase No stop phase Dive phase during which ascent is allowed without decompression stops Dive time Time of the dive below depth of 1 2 m CNS O2 Limit Oxygen toxicity div...

Страница 43: ...icity 1 3 Indications on the lower display Partial pressure of oxygen pO2 only indicated if an Oxy2 is used see page 59 Oxygen fraction O2 only indicated if an Oxy2 is used see page 61 When used with...

Страница 44: ...depth and can limit dive time and the maximum depth Aladin Air Z O2 inclu des this in the calculations and displays the necessary information O2 The Oxy2 is fitted in line to the inhalation hose of th...

Страница 45: ...which the ppO2 limit is reached The CNS O2 value alarm is not influenced by the selected ppO2max setting CNS O2 LIMIT Oxygen toxicity With the increased per centage of oxygen the oxygen in the tissues...

Страница 46: ...r flashing figures In addi tion 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 Partial pressu...

Страница 47: ...eption of gas data interruption of transmission If this message becomes frequent check the position of the Oxy2 or pressure transmitter See also Setting up on page 34 or 36 Increased workload warning...

Страница 48: ...rs measure wrong When a reliable measurement is not possible The Air Z O2 switches for its cal culations to the premix value which the Oxy2 measured automatically at the start of the dive The displaye...

Страница 49: ...le duration of the alarm An alarm occurs in the following situations Excessive ascent rate Reduce ascent rate See page 76 Remaining bottom time zero gas mixture supply too low Reserve gas mixture supp...

Страница 50: ...low 19 O2 The inhaled gas does not contain enough oxygen Flush the SCR system and check the tank pressure If necessary change to the backup system See also page 80 Ignoring decompression stop Descend...

Страница 51: ...xy2 or with the tank pressure pressure transmitter The battery of the Oxy2 can be replaced by a authorised retailer or if the user knows how to solder properly by the user The battery of the Aladin Ai...

Страница 52: ...3 5 The Aladin Aladin Air Z O2 is now in the 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 indica...

Страница 53: ...r is not correctly mounted or is not correctly paired it will not perform properly and serious injury or death may result 1 Mount regulator with pressure transmitter on tank 2 Check the reserve valve...

Страница 54: ...ive mode 3 3 Setting the gas mixture Before every dive unless an Oxy2 is used you must check if the setting of the gas mixture percentage of oxygen on your Aladin Air Z O2 corresponds to the mixture i...

Страница 55: ...en is set too low this can lead to oxy gen intoxication without warning If the value is set too high decompression damages due to nitrogen saturation may occur without a warning from the Aladin Air Z...

Страница 56: ...th is displayed if it is lower than the current depth To prevent the display changing very frequently when diving in the vicinity of the maximum depth it is only displayed if it exceeds the current de...

Страница 57: ...ding 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 O2 may require a decompre...

Страница 58: ...III Uwatec Aladin Air Z O2 Messages Excessive ascent rates for longer periods are entered in the logbook Response Reduce ascent rate S L O W S L O W S L O W S L O W SPEED SPEED SPEED SPEED Ascent rat...

Страница 59: ...rs 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 Disregarding the warning can lead...

Страница 60: ...continuously See also page 79 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 acous tic warning and the a...

Страница 61: ...is flashing Response Flush the SCR system and check the tank pressure If necessary change to the backup system Never let the O2 fraction go below 19 Danger of hypoxia 4 8 Decompression information No...

Страница 62: ...p has been finished the next higher decompression stop is displayed When all decompression stops have been made the arrow DECOSTOP extinguishes and the arrow NO STOP reappears The indi cation of time...

Страница 63: ...rescribed ascent rate and a normal workload Total time of ascent can be subject to change if the ascent rate is not ideal 100 or with higher workload On all dives with the Aladin Air Z O2 make a safet...

Страница 64: ...mission signal broken antenna and there is an audible warning Without a transmission of sensible data in the following 40 seconds appears If the transmission between an Oxy2 and the Air Z O2 is interr...

Страница 65: ...n that the tank pressure should amount to at least 40 bar at the end of the dive Alterations to this are possible see page 88 The RBT value should never reach 0 With a RBT 0 the remaining tank reserve...

Страница 66: ...is in the no stop phase Messages If the RBT drops below three minutes an acoustic attention signal is activated the ascent arrow is displayed and and the RBT figures only starts flashing When the last...

Страница 67: ...to the logbook and Aladin Air Z O2 switches into surface mode In surface mode Aladin Air Z O2 shows desaturation time no fly time and CNS O2 If the tank is changed in this phase you must make sure tha...

Страница 68: ...ger half times If desaturation time reaches zero the tissue models of the Aladin Air Z O2 are desaturated and it switches into the sleep mode Desaturation time is determined either by oxygen or nitrog...

Страница 69: ...isk of decompression sickness If Aladin Air Z O2 calculates that the formation of microbubbles occur during the surface interval it will advise a diver to extend the surface interval If the dis play A...

Страница 70: ...titude 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 surfa...

Страница 71: ...display of the alti tude section 3 HI high appears telling the diver that he will not get any decompression information for the dive Very small differences in the pressure sensors can cause an indicat...

Страница 72: ...72 III Uwatec Aladin Air Z O2...

Страница 73: ...English 1 Diving at reduced risk with Aladin Air Z O2 1 1 Diving at reduced risk ______________________74 1 2 Diving at reduced risk for the first dive ________74 1 3 Minimizing risk on repetitive div...

Страница 74: ...uter or table is used correctly and all of the following precautions are followed 1 2 Diving at reduced risk for the first dive The following are highly recommended suggestions to prevent risky situat...

Страница 75: ...e both divers in a buddy pair must follow the most conservative dive computer for that particular dive You MUST be familiar with all signs and symptoms of decompression sickness before using the Aladi...

Страница 76: ...ng decompression stops A few examples are on the following pages Situation 1 The diver ascends too rapidly Reaction of computer The model calculates the formation of bubbles due to the excessively rap...

Страница 77: ...iver During the dive Descend to the prescribed decompression depth at once Do not descend to greater depths during the dive Observe the decompression prescribed by Aladin Air Z O2 After the dive Watch...

Страница 78: ...exertion on your next dive Increase 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 f...

Страница 79: ...flashing See also page 50 59 and 60 Recommended response of the diver Ascend immediately until ppO2 is less then 0 5 bar and the buzzer stops Situation 6 ppO2 reaches the set value Reaction of compute...

Страница 80: ...less than 19 Reaction of computer Every 4 seconds an acoustic alarm is given the O2 warning triangle is flashing See page 50 and 61 Recommended response of the diver During the dive Flush the SCR and...

Страница 81: ..._____________82 2 Selection and Activation _________________________________________83 3 Selection of Dive _________________________________________84 4 Leaving the Logbook Mode ______________________...

Страница 82: ...nger than 2 minutes 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 dur...

Страница 83: ...dy or surfa ce mode by B and 2 In order to activate the logbook bridge contacts B and E The most recent dive is displayed DIVE I Ready mode Surface mode DO NOT FLY depth dive time max depth deco info...

Страница 84: ...dging of the contacts all dives are displayed successively 4 Bridging contacts B and allows switching back from older dives to more recent ones 84 3 Selection of Dive V Uwatec Aladin Air Z O2 DO NOT F...

Страница 85: ...ack into ready or sur face mode This also happens 3 minutes after last activating logbook mode or after 3 minutes depth dive time max depth deco info DO NOT FLY depth dive time max depth deco info h h...

Страница 86: ...d into a Memo Mouse optional which stores up to approximately 58 dive hours With the DataTark Windows software optional the infor mation can then be transferred from the MemoMouse to a PC Time and dat...

Страница 87: ...ir Z O2 English 1 MemoMouse DataTrak and DataTalk 1 1 Personal programming of the dive computer DataTalk ___________________ 88 1 2 Analysis and storage of real dives DataTrak ________________________...

Страница 88: ...zero minutes pressure transmitter only ignoring decompression stop making too rapid an ascent exceeding CNS O2 limit oxygen frac tion below 19 O2 Oxy2 only The calculation of Remaining Bottom Time RBT...

Страница 89: ...re consumption etc can also be viewed The DataTrak releases 2 0 and higher recognize the Aladin Air Z O2 and display the respective data The PC program enables the diver to keep a personal logbook Apa...

Страница 90: ...90 VI Uwatec Aladin Air Z O2...

Страница 91: ...91 VII Trouble Shooting VII Uwatec Aladin Air Z O2 English 1 Trouble Shooting ________________________________________ 92 VII...

Страница 92: ...ge 21 is not mounted correctly or receiver in the computer is defective Pair transmitter and computer see page 38 40 If pairing is not possible with another the receiver in the computer is defective H...

Страница 93: ...gauge is not accu rate temperature 20 C No tank pressure signal was received at the beginning or end of the dive Transmitter and dive computer were not paired before the dive started The dive has been...

Страница 94: ...Dissolved nitrogen and or microbubbles must be off gassed first Too rapid an ascent or ignoring decom pression stops have caused a large number of microbubbles which leads to an attention message war...

Страница 95: ...Conversion of tank pressure _________________________________________98 4 Warranty 3 1 Recognition of warranty____________________ 99 3 2 Scope of the warranty _____________________ 99 3 3 Warranty p...

Страница 96: ...ing the contacts the surface of your Aladin Air Z O2 housing can be treated with silicone grease Use soapy water to clean the Aladin Air Z O2 before using silicone grease and dry it thoroughly Do not...

Страница 97: ...hosen percentage of oxygen decompression sickness oxygen toxicity Do not dive deeper than 40 metres Maximum operating pressure 13 bar Clock quartz timer display up to 199 minutes Operating temperature...

Страница 98: ...temperature of 20 C whereas the mechanical depth gauge displays the actual pressure influenced by temperature The figure on the right allows you to compare the information given by a conventional dep...

Страница 99: ...ill 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 natu...

Страница 100: ...r dive without a buddy The Aladin Air Z O2 does not substitute not even together with an Oxy2 for a dive buddy Only make dives that are appropriate to your level of dive training Neither the Aladin Ai...

Страница 101: ...101 VIII Uwatec Aladin Air Z O2 English VIII...

Страница 102: ...102 VIIIUwatec Aladin Air Z O2 6 Serial No Dealer address Serial No of your Aladin Air Z O2 Dealer to affix stamp Printed in Switzerland 1 00 Dealer address...

Страница 103: ...rating of surface functions dive computer_23 Fly no fly time ______________________68 94 Gas mixture setting _______________________53 Interruption of transmission__________47 64 92 Logbook___________...

Страница 104: ..._______________________31 Surface mode operation of functions ________23 System __________________________________18 Tank pressure __________________43 63 93 98 Technical information _________________...

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