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Aladin Square User manual - Scubapro

1. SCUBAPRO APNEA La By pressing the SEL button the following menu s can be accessed 1 4 1 Setting the dual depth alarm By pressing the SEL at this menu the first depth starts blinking By pressing right left buttons you may select the first depth alarm from 5 to 100 meters 20 330 feet By pressing SEL the first value is confirmed and the second alarm starts blinking Like the first by pressing right or left buttons the second alarm may be set from 5 to 100 meters By pressing SEL the function starts blinking and you may select between on or off by pressing right or left By pressing SEL the llc are confirmed C ASCUBAPRO APNEA are __ ELIT SET DIVE ait OFF amp NOTE The first alarm is short sequence for attention and the second alarm is continuous By setting the first alarm deeper than the second it will be masked by the continuous alarm and you cannot hear the first one 1 4 2 Setting the depth incremental alarm By pressing the SEL in this menu the incremental depth alarm starts blinking By pressing right or left you may select the alarm value from 5 to 100 meters 20 330 feet By pressing SEL the alarm value will be confirmed and the function at the bottom row starts blinking By pressing right or left you may select the direction for the depth incremental alarm off dn down up or bot
2. C ASCUBAPRO S SCUBA SET By pressing the SEL button the following menu s can be scrolled down by pressing right or left 1 3 1 Maximum dive depth alarm By pressing SEL in this menu the depth value starts blinking By pressing right or left the value can be selected from 5 up to 100 meters 20 330 feet in 1m 5ft steps By pressing SEL the function starts blinking and you may select between on or off by pressing right or left buttons The selection is confirmed by pressing SEL button SCUBAPRO 1 3 2 By pressing SEL in this menu the time value starts to blink By pressing right or left the value can be selected from 5 up to 195 minutes in 5 minute steps By pressing SEL button the function starts blinking and you may select between on or off by pressing right or left buttons The selection is confirmed by pressing SEL button F ZECUBAPRO gt SCUBA SET OWE TIME S j hi m Maximum dive time alarm 1 3 3 Setting the Micro Bubble level By pressing SEL in this menu the Micro Bubble level starts to blink By pressing right or left you may select personal setting from LO up to L5 L5 is the most conservative setting The selection is confirmed by pies SEL button 7SCUBAPRO SCUBA MB LWL E l I p 22 ALADIN SQUARE USER MANUAL ce NOTE more about diving with the MB levels read chapter Diving
3. rb Bn 1 2 4 Desaturation reset A WARNING Resetting desaturation will effect calculations of the algorithm and this may lead to serious injury or death Do not reset desaturation without a solid purpose When Square is still counting down the desaturation some menu changes are not possible In case the user decides to reset the desaturation the safety code 313 must be given This procedure secures unwanted resetting and the desaturation reset will be stored to a memory At the next dive log the desaturation symbol will be shown By pressing SEL at this menu the enabling field text starts blinking By pressing right or left you may select between on or off By selecting off the safety code input screen will appear By pressing right or left the numbers can be edited By pressing SEL the digit is confirmed and the next digit can be edited After 3rd number when correctly given the desaturation reset becomes effective and desat time is reset to O SCUBAPRO BCUBAPRO Eade Erte mam E MILILG cont ZECUBAPRO DESAT i Mi UFF Ny ALADIN SQUARE USER MANUAL 21 Ki 1 3 SCUBA settings A set of SCUBA related selections are grouped to this menu Set SCUBA SEL R Max Depth R Dive Time R R R SetHR R R Salt Fresh alarm JL alarm JL ABIES ig stop timer L limits L SEES W water L
4. SCUBA DEPTH TES 2 6 4 When diving with a microbubble MB level different than LO Square can warn you when you are no longer in the MB no stop phase See section 2 7 5 Diving with MB Levels for more information on MB level diving Entering level stops Square emits a sequence of audible beeps and the STOP symbol blinks both for 12 seconds when the MB no stop time ends and a level stop is required before you ascend to the surface ALADIN SQUARE USER MANUAL 35 A f Bc gt t WBV N PRA 5 E SCUBA DEPTH T ILE eh F h L MIF l oee l a E th bet 2 6 5 LO no stop time 2 minutes when diving an MB level When diving with an MB level higher than LO the underlying LO information is not directly visible on the display though it is accessible as alternate information You can choose to have Square warn you when the underlying LO no stop time reaches 2 minutes while diving with an active MB level higher than LO Square emits a sequence of audible beeps and the MB LVL symbol blinks both for 12 seconds when the LO no stop time reaches 2 minutes while diving with an active MB level higher than LO ty ty WEAN z ST DEFTH 334 al se l DIVE TIME SS irs i a WE LVL th sit a em 2 6 6 Entering deco when diving an MB level When diving with an MB level higher than LO the underlying LO information is not directly visible on the display though it
5. 1 5 Set Up Down Time Counter for the dive There are many situations during a dive where a simple stop timer which is independent from dive time is practical for example timed tasks at dive courses or special missions etc Square has a stop timer integrated on the SCUBA mode which has to be configured before the dive in this menu By pressing SEL at this menu the function starts blinking By pressing right or left you may select between up dn down or off By pressing SEL the counter time starts blinking and you may set it from 5 second up to 99 minutes and 55 seconds in 5 second steps by pressing right or left By pressing SEL the settings are confirmed SCUBAPRO a LOLE o me r DIVE m L 1 6 Algorithm selection You may select your Square operation mode between SCUBA Gauge and Apnea modes When Square has not been submerged for a while the display looks as follows ZASCUBAPRO J SCUBA Si J SET DIVE f made Since the Gauge and Apnea modes are not tracking the tissue saturation there is 48h locking interval after the last dive in gauge or apnea mode before change to a SCUBA mode is possible After a SCUBA dive the limitation to change the mode is valid until desaturation is complete Square shown below has been diven in apnea mode and the NO CHANGE limitation is still on for another 47 hours ALADIN SQUARE USER MANUAL 27
6. Aladin Square User manual you want the best scubapro com SCUBAPRO SQUARE DIVING COMPUTER DESIGNED BY DIVING ENGINEERS Welcome to SCUBAPRO dive computers and thank you for purchasing Square You are now the owner of an extraordinary partner for your dives This manual provides you easy access to SCUBAPRO state of the art technology and Square s key features and functions Should you wish to know more about SCUBAPRO diving equipment please visit our website www scubapro com A WARNING e Square has 120m 394ft operation depth e If 120m is exceeded will be shown in the depth field and decompression algorithm does not calculate correctly e Diving with oxygen partial pressures higher than 1 6 bar corresponding to a depth of 67m 220ft when breathing compressed air is extremely dangerous and could lead to serious injury or death CE Aladin Square dive instrument is a personal protective equipment in compliance with the essential safety requirements of the European Union directive 89 686 EEC RINA SpA Via Corsica 12 l 16128 Genoa notified body no 0474 have certified the conformity with the European Standard EN 13319 2000 EN13319 2000 Diving accessories Depth gauges and combined depth and time measuring devices Functional and safety requirements test methods Any information on decompression obligation displayed by equipment covered by this standard is explicitly excluded from its scope ii 2 ALADIN SQUARE
7. 100m Resolution in ft is always 1ft Accuracy is within 2 0 2m 1ft Decompression calculation range 0 8m to 120m 3ft to 394ft Clock quartz clock time date dive time display up to 199 minutes Oxygen concentration adjustable between 21 and 100 Operating temperature 10C to 50C 14F to 122F Power supply CR2450 litium battery Life of the battery About 2 years or 300 dives which ever comes first Actual battery life depends on the number of dives per year the length of each dive the water temperature the usage of backlight and heart rate 5 2 Maintenance The depth accuracy should be verified every two years that can be done by authorized SCUBAPRO dealer Besides this Square is virtually maintenance free All you need to do is rinse it carefully with fresh water after each dive and change the battery when needed To avoid possible problems with your Square the following recommendations will help assure years of trouble free service avoid dropping or jarring your Square do not expose Square to intense direct sunlight do not store Square in a sealed container always ensure free ventilation If there are problems with the water contact use soapy water to clean Square and dry it thoroughly Do not use silicone grease on the water contacts Do not clean Square with containing solvents Check the battery capacity before each dive If the battery warning appears replace t
8. SEL button the function starts blinking By pressing right or left you may select between on or off By pressing SEL the settings are confirmed tof Ra OFF 1 4 6 Setting the Ascent speed alarm By pressing SEL at this menu the ascend speed starts blinking By pressing right or left you may select the value from 0 1 to 5 0 meters second 1 15 feet second By pressing SEL the function starts blinking By pressing right or left you may select between on or off By pressing SEL the pineal are confirmed ia 26 ALADIN SQUARE USER MANUAL 1 4 7 When apnea diving the exact depth is very important value For the most accurate reading you must select the correct density of the water Density depends on water temperature and salinity salt content Some approximated densities at 20 C 68 F water e Average Ocean water has approximately 1 025 kg liter e Mediterranean Sea has approximately 1 027 kg liter e Red Sea has approximately 1 029 kg liter e Black Sea has approximately 1 012 kg liter e Baltic Sea has approximately 1 004 kg liter e Fresh water lake quarry has density approximately 1 000 kg liter By pressing SEL at this menu the water density value starts blinking By pressing right or left you may change the value from 1 000 to 1 050 in steps of 0 001 By pressing SEL the settings are confirmed SCUBAPRO N Setting the water density APNEA a d
9. there is less nitrogen loading on the diver s body at the same depth as compared to breathing air However the increase in oxygen concentration in Nitrox implies an increase in oxygen partial pressure in the breathing mix at the same depth At higher than atmospheric partial pressures oxygen can have toxic effects on the human body These can be lumped into two categories Sudden effects due to oxygen partial pressure over 1 4bar These are not related to the length of the exposure to high partial pressure oxygen and can vary in terms of the exact level of partial pressure they happen at It is commonly accepted that partial pressures up to 1 4bar are tolerable and several training agencies advocate maximum oxygen partial pressures up to 1 6bar Long exposure effects to oxygen partial pressures over 0 5bar due to repeated and or long dives These can affect the central nervous system cause damage to lungs or to other vital organs Long exposures can be divided to more severe Central Nervous System effects and less dangerous long term Pulmonary Toxicity effects Square treats high ppO and long exposure effects in the following ways Against sudden effects Square has an MOD alarm set for a user defined ppO max As you enter the oxygen concentration for the dive Square shows you the corresponding MOD for the defined ppO max The default value of ppO max from the factory is 1 4bar This can be adjusted to your prefere
10. 30 8 meters and longest dive time of 35 minutes In total 8 hours of diving and 6 dives has been done with this Square History cannot be erased By pressing right or left you can scroll the dives in the memory 1 0 11 SCUBA log s In SCUBA mode there is a main page showing depth dive time log number Gas 1 content temperature and possibly Sympos like no 2 NO repetition dive dive SCUBAPRO A 1 DEPTH MB LVL Be ae TIME By pressing SEL you will select the dive and get to the sub display which shows in SCUBA mode the dive start time and date C ASBCUBAPRO By pressing right you will get to next sub display that shows surfacing time and average depth By pressing right you will get to next sub display that shows heart rate data SCUBA We i ES 38 ALADIN SQUARE USER MANUAL 11 Ki 1 0 12 Apnea log s In Apnea mode the main page shows max dive session depth total dive session time log number amount of dives at the session and max dive time at the session ZSCUBAPRO A DEPTH TN rn T TIME R By pressing SEL you will select the dive and get to the sub display which shows in do mode the dive start time and date ZSCUBAPRO APWEN By pressing right you will get to next sub display that shows surfacing time maximum ascent rate of the session and the deepest water temperature By pressing right you will
11. Ki i a i APNEA DESAT SET DIVE ow node Co If you decide to change between modes before the 48h interval or full desaturation you have to go to desaturation reset menu and make a manual desaturation reset By pressing the SEL at this menu the mode starts blinking By pressing right or left you may select between SCUBA gauge or apnea modes By pressing SEL the setting is confirmed 1 7 HRenable By pressing SEL at this menu the HR function starts blinking and by pressing right or left you may select between on or off By pressing SEL the setting is confirmed SCUBAPRO 2 SQUARE AS A DIVE COMPUTER Square is a full featured diving computer capable of multigas decompression calculations ascent rate calculations and warnings The logbook can store about 50 hours of dive profiles with a 4s sampling rate During diving it displays depth dive time decompression status water temperature and much more On the surface after a dive remaining desaturation time no fly time surface interval and orohibited altitude classes are shown 2 1 Diving with Square The functions of the buttons during diving are summarized in the table below Note that Square can be set to three dive modes Scuba Apnea and Gauge Due to the operation differences also buttons have different functions i 28 ALADIN SQUARE USER MANUAL LEFT BUTTON RIGHT BUTT
12. T TNES 39 2 7 1 Display configuration during the dive sssssssssrsssrrressrrrrssen 39 2e SNG DOOKMIAIKS saen A ENEE EEEE 39 Ao SAEY STOD TIME arncresneascornen a a a oE Eisi 40 2TA Activating the bDaACkighi scsrsariiiieice ienas 40 ALO DIVING WIA MB IEVelS icrmoncassarcavtmmanctiernscarsanaisnunsantennsiadeiaemrnetin 40 20 PISO IAMON MATION e gt cuncniesnananaaistinnenstcnuntoertninasemansamabeseieboes 40 2 7 7 Display of underlying LO decompression information 41 20 Cascading MB IEVEIS conssenti ioan EEEN 41 2 7 9 Level stop ignored MB level reduced cccccssseeeeeeeeeaneeeeees 41 aA PDE IOD aooaa A E AREAS 41 2o auge MOG aeneon O E EE 42 Ba APNA MOOS eeen E N ENEE 43 d Sgu e GCCESSOMCS noran a a 44 N aE E A E E OS IE E O E TE O E A 44 i 4 ALADIN SQUARE USER MANUAL SQuare PC Wiel sisisi aaae a aa iiaia 45 A a O E EAE A EE 45 A Introduction to SCUBAPRO LOOT RAR siisciiosscinabasewsnicanianeieluiiaasteds 45 A221 Downoad GIVE DOIG 0 ccacdeizec susiecdnanncainneaautadtaiemedenentanviaeadetiza 45 4 2 2 Change warnings settings of the Square and reading computer NOY EIEEE E TEA AEA AEE E E E ET 46 Taking care of Square ssssnssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn nnna 47 Ost Technical iMmonnatoN ssepcettetaeieceanacadsataadavencaddescul anid aie E na 4T Da MaNlehaNCO sesionin O E ERT 4T 5 3 Replacing the battery iN Square s sssrruusrrrnerrrrnerrrrerrrrre
13. USER MANUAL TABLE OF CONTENTS T EF OOQUGTION to Square sseni a 6 OT EO e E E 6 TO E se ects AE ee AERA 7 1 0 3 AGA Rate ODON sccscdccweaahadoius sissies nenii cesmewbencs 4 TO EOY eee E EREA 4 1 0 5 Square operation oo eeccccceeecccceeeeeecseeeeeeeeeeeeeeeeeeeeeeaeeeeseeaaeeees 8 WOKS Surface display s cede cabsicsnrcuctdonsenedbnotendtencuninun endeid aei 8 1 0 7 Surface interval counter sssssssssssrrrrrrsssrrrrrrssrrrrrrsrsrrrreessrrrree 8 1 0 8 Checking the Altitude esssssnnssessrrrrnrsssrrrerrssrrrrresssrrrreesrrrreee 9 TOT PENGO ONE ccs sence ne E EAEE 9 1 010 Readng the LOgDOOR o ceprectaten cebhananahenedantennewnotcaesenntcandtshotamdne 10 WOT SCUBA IDOT soronererisn pe na e a a S 11 OTe AP NOG e E E 12 TOTS UO OS eeen e EE E E 12 1 0 14 Checking the battery Status 2 0 ceeeeeseesssseeeeeeeesseeseeseeeeas 13 1019 UNOS secre peucusonsperenaes ens nares En aE ERSE TAS 13 1010 oe US LOCK or atiaesonett ite teariadeen e eaa AE R 14 TOTT AVIS Se IMS seene E EE ESEE 15 1 0 18 Setting the alarm ClOCK ssssssssrrsssssrrrreessrrrrrssssrrrrerssrrrrrerssrrne 15 1 019 Se TO Me UTO rs cereeternecusentnen cebelenqesteaitnun a 16 1 0 20 Setting the time vine rensicremecvedanmmvedesadunmtendadien cedbaterencusdationcembeninc 16 1 0 21 Set the AM PM or 24h mode ccccecsseeseeeeeeeeseeeseeeeaeaeeeseeeeas 16 1 0 22 SEWING the dale ecserin dona rethsinmimientadien eei 16 1 0 23 Setting the
14. at the middle row right the ascent descent speed ALADIN SQUARE USER MANUAL 43 Hi CABCUBAPRO APNEA DEPTH Alternative information can be selected by pressing right button The information can be scrolled in following order 1 Sequential dive number 2 Heart rate if activated 3 SQUARE ACCESSORIES 3 1 HR belt Square receives the signal of the various low frequency heart rate belts for example Polar or Scubapro belts The position to wear a HR belt is shown below Adjust the strap so that it is comfortable to wear but so that it holds on the place When using a diving suit the HR belt must be directly against the skin Moisten the electrode areas if your skin is dry or when using a dry suit EN You must enable the heart rate setting on your Square refer to chapter Set HR limits Workload settings of how to do this After a dive rinse the heart rate belt in fresh water dry it and store on a dry place With completely sealed HR belts the battery cannot be changed We recommend having the battery change by authorized SCUBAPRO Uwatec dealer for the HR belts with a battery cap Check the operation conditions and depth rating of the HR belt from the unit or its package ij 44 ALADIN SQUARE USER MANUAL 4 SQUARE PC INTERFACE 4 1 Shark The communication between Square and PC Mac is possible only with a Shark The communication between the Square and the Shark is est
15. clock If the calculated value of CNS O reaches 75 Square will emit a sequence of audible beeps for 12 seconds and the value of the CNS O will be blinking in the lower right corner The blinking will continue until the value of CNS O drops under 75 OWE TIME TIME F E Ne hs at 2 6 2 If you wish to avoid unintentionally performing a decompression dive Square can activate a warning when the no stop time reaches 2 minutes This applies to both LO no stop and MB no stop time see chapter Diving with MB levels for more information on MB level diving It gives you the opportunity to start ascending before incurring a decompression stop or a level stop obligation Square emits a sequence of audible beeps for 12 seconds and the no stop time will blink The blinking will continue until you ascend sufficiently for the no stop time to grow to 3 minutes or until Square enters into decompression No Stop time 2 minutes 2 6 3 Square can activate a warning when the first mandatory decompression stop appears This alerts the diver to the fact that a direct ascent to the surface is no longer possible This warning applies to dives with the computer set to LO only Entering decompression Square emits a sequence of audible beeps and the DECO STOP symbol blinks both for 12 seconds when the no stop time ends and a mandatory LO stop is required pelle ereacning the surface oe os r a a er Lr EY
16. get to next sub display that shows the water density and lowest heart rate of the session 1 0 13 Gauge log s In Gauge mode the main page shows depth dive time log number and temperature By pressing SEL you will select the dive and get to the sub display which shows in Gauge mode the dive start time and date iat 12 ALADIN SQUARE USER MANUAL By pressing right you will get to next sub display that shows surfacing time and ayore depth ACUBAPROS GAUGE ht J ENR as 1 0 14 Sen ela the silat status C ASCUBAPRO S TBR z hih The Ee status menu shows how much energy is left in the CR2450 battery A fresh battery shows high Square is periodically measuring the battery status and you can manually trigger a measurement by pressing SEL in battery status menu The intelligent battery algorithm will limit some functions towards the end of the lifetime See the table below for the status and functions Indicator in Battery status Function battery status limitations display High Fresh batter none Medium Battery ok for none diving Low Weak battery Acoustic alarms change to fresh and Backlight not operating diving not recommended ce NOTE The battery capacity and voltage at the end of the lifetime may vary between battery manufacturers Generally operation at low temperatures decreases the battery capacity Therefore when the battery indicato
17. its calculation warnings and suggested switch point When diving with more than one gas mixture the Nitrox reset time function described in section 2 3 5 has the following effect Gas 1 is set to 21 Gas d is set to OFF 2 5 1 Diving with more than one gas mix Square is equipped with the ZH L8 ADT MB PMG algorithm PMG stands for Predictive Multi Gas meaning that when you program more than one gas mixture Square will predict the switch to the higher oxygen concentration gas at the depth that you specified and alert you at all times with a decompression schedule comprehensive of both gas mixtures that you programmed In other words you get full credit at any point during the dive for all the extra gas that you are carrying with you At the same time Square can also show you what the decompression schedule would be if you were to finish the dive using only the gas mixture that you are currently breathing from so that you can be prepared in the event that something did not work as planned A WARNING Diving with two gas mixtures represents a much higher risk than diving with a single gas mixture and mistakes by the diver may lead to serious injury or death During dives with two gas mixtures always make sure you are breathing from the tank that you intend to breathe from Breathing from a high oxygen concentration mix at the wrong depth can kill you Mark all your regulators and tanks so that you cannot confuse them u
18. prior to une can be checked with planner Zz BCUBAPRO neS MRi 1 eth You should not undertake a dive as long as the no dive warning is displayed on the computer screen If the warning is prompted by microbubble accumulation as opposed to CNS O over 40 and you dive anyway you will have shorter no stop times or longer decompression times Moreover the duration of the microbubble warning at the end of the dive can increase considerably 2 4 SOS If you stay above a depth of 0 8m Sft for more than 3 minutes without observing a prescribed decompression stop Square will switch into SOS mode Once in SOS mode Square will lock up and will be inoperable as a dive computer for 24 hours If it is used for diving within the 24hours of an SOS lock it will automatically switch to gauge mode and provide no decompression information A WARNING Violating a mandatory decompression obligation may result in serious injury or death Serious injury or death may result if a diver does not seek immediate treatment should any signs or symptoms of decompression sickness occur after a dive Do not dive to treat symptoms of decompression sickness Do not dive when the computer is in SOS mode BS UBAPROS unine pa a The desat display shows the same information as in presence of desaturation but at the bottom right row SOS is blinking 2 4 1 Square allows you to reset the desaturation in
19. reminders of particular moments during the dive The bookmarks will appear on the dive profile in LogTRAK amp NOTE If the stop watch counter has been enabled the long press left will activate it ALADIN SQUARE USER MANUAL 39 F 2 7 3 f a minimum depth of 10m 30ft has been reached during the dive at a depth of 5m 15ft the safety stop timer will start according to settings either automatically or you may start this by pressing a button If you go below 6 5m 2O0ft the timer will disappear and the no stop time is shown again Upon returning to 5m 15ft the timer will start again if set to automatic As long as you are shallower than 6 5m 2Oft and there are no decompression obligations you can press left button to restart the OUND manday W Scum Safety stop timer SOMA DEPTH T r mi _ Whe 23 H Lf OIVETIME TIME od be al 2 7 4 Activating the backlight To activate the backlight press left The default duration of the backlight is 6 seconds but you can set a custom backlight duration time at dive settings Read chapter Setting the Backlight on duration about how to do this ce NOTE The backlight is not available when the BATTERY CHANGE warning appears 2 7 5 Microbubbles are tiny bubbles that can build up inside a diver s body during any dive and normally dissipate naturally during an ascent and on the surface after a dive Dives within no stop time and o
20. serious injury or death The alarm persists for as long as the ascent rate is 110 or more of the ideal ascent rate 2 6 8 MOD ppO A WARNING The MOD should not be exceeded Disregarding the alarm can lead to oxygen poisoning Exceeding a pp0 of 1 6bar can lead to sudden convulsions resulting in serious injury or death If you exceed the MOD the depth will start to blink and in the bottom row the MOD is displayed so you can see by how much you have exceeded it In addition Square will beep incessantly Both the blinking of the depth value and the beeping will continue for as long as you stay deeper than the MOD ware DEPTH rj z P ig 1 P samt NO STOR FI TIME E rl I A t i f h 4 y 2 6 9 CNS O 100 WARNING When the CNS 0 reaches 100 there is danger of oxygen toxicity Start procedure to terminate the dive Square tracks your oxygen uptake via the CNS O clock If the calculated value of CNS O reaches 100 Square will emit a sequence of audible beeps for 12 seconds and the value of the CNS O will be blinking in the lower right corner The blinking will continue until the value of CNS O drops under 100 ALADIN SQUARE USER MANUAL 37 Ki The audible signal is repeated for 5 seconds in one minute intervals after the first occurrence and for as long as the value of CNS O stays at or above 100 or until the ppO drops under O 5bar see chapter Diving with nitrox or with a
21. the desat screen upper row left until this limitation applies At the desat screen Square shows the no fly time at bottom row left The no fly time is the time during which an exposure to the reduced pressure inside Long SCUBA short SCUBA Short SCUBA confirm selected gas switch reset safety stop timer Short APNEA switch between HR and dive number at that session Long APNEA manual start the dive Short alternative display data Long GAUGE reset average depth counter and start stop timer the cabin of an airplane could cause decompression sickness as calculated by the decompression model in the computer By pressing SEL at the desat screen the display shows elapsed interval from the last dive and the CNS clock level in value unless it has counted down to 0 SCUBA DESAT eo A WARNING Flying while Square displays the NO FLY symbol can result in serious injury or death ALADIN SQUARE USER MANUAL 29 i 2 2 2 Altitude and the decompression algorithm Atmospheric pressure is a function of altitude and of weather conditions This is an important aspect to consider for diving because the atmospheric pressure surrounding you has an influence on ongassing and offgassing of nitrogen Above a certain altitude the decompression algorithm has to change in order to account for the effect of the change in atmospheric pressure Square divides the possible altitude range in 5 c
22. the information appears on the display we shall use the example of a dive with MB L3 set in the dive computer Display information ia 40 ALADIN SQUARE USER MANUAL LO information in background L3 information on display Display details No stop Level stop No stop Display shows L3 no stop time Display shows L3 level stop information The white Level stop Decompression STOP symbol appears on the display Display shows L3 level stop information In addition to the white STOP symbol also the black DECO symbol appears to indicate that also LO is in decompression 2 7 7 Display of underlying LO decompression information During the dive the information displayed is always relative to the active MB level However the underlying LO data is available as one of the alternate information fields When pressing the right button the appropriate number of times the LO information will be visible instead of the active MB level information for 5 seconds after which it is replaced again by the information relative to the active MB level While the LO information is shown the symbol LO appears in the middle row of the display This allows you to be aware of what the maximum possible no stop time is or what the mandatory decompression requirements are 2 7 8 When diving with an MB level Square carries out all calculations relating to LO and to all MB levels in between the currently active one an
23. ANUAL 15 A 1 0 19 Setting the UTC ZECUBAPROS T m Hit UTC setting will change the shown time compared to Greenwich O Meridian This feature is practical when traveling through different time zones By pressing SEL at UTC menu the hours will start blinking You may edit them in range of 13 414 hours by pressing right or left By pressing SEL the minutes will start blinking and you may edit them in 15 minutes steps by pressing right or left By pressing SEL will save the UTC setting 1 0 20 Setting the time SCUBAPRO SET TIME f In set time menu the current time is shown on the menu By pressing SEL the time setting will be activated and hours start blinking You may change the hours by pressing right or left By pressing the SEL the minutes start blinking and you may now edit them by pressing right or left By pressing SEL the new time will be set amp NOTE seconds cannot be edited they always start counting from O when minutes are confirmed by pressing SEL 1 0 21 Set the AM PM or 24h mode C ASCUBAPRO j ard By pressing SEL at the time mode menu the numbers 24h or alternatively AM PM start blinking By pressing right or left you may change between the modes By pressing SEL the mode will confirmed amp NOTE the AM PM selection will change the day format to following Month Date Year This change t
24. E the all off selection will disable all audible dive mode alarms and warnings This is potentially dangerous ce NOTE the only exception to the silent operation is the alarm clock it will alarm when activated even if main setting is All off 1 0 24 The user may select between depth and temperature unit combinations The effect takes place in dive mode in the log book alarm ee altitude settings etc ECUBAPRO i tr tal Setting the user preferred units By pressing SEL in this menu the depth unit selection starts blinking By pressing right or left buttons the value can be changed between meter and feet By pressing SEL the temperature field starts blinking Again by pressing right or left the value may be changed between C or F By pressing SEL button both unit settings will be confirmed 1 0 25 Setting the Backlight on duration By pressing SEL on this menu the backlight duration at middle row right starts blinking By pressing right or left you may scroll between values e time 4 6 8 10 15 20 25 30 40 50 60 seconds e OFF backlight deactivated The selected value will be confirmed by pressing SEL fA SCUBAPRO ALADIN SQUARE USER MANUAL 17 Fi 1 0 26 Deactivating the water contacts By pressing SEL on this menu the selection on or off at the bottom row starts blinking By pressing right or left you may select between active or inactive water contacts
25. ER ce NOTE At battery change the lock pin number will be reset and lock will be deactivated iat 14 ALADIN SQUARE USER MANUAL if enabled ID E number SEL All segments on I get Dive settings Clock Lock pin settings number Settings are divided into two main categories namely clock settings and dive settings 1 0 17 Time set menu By pressing SEL at the set time menu the following selections can be scrolled by pressing right or left button Set Time cae SEL Set Alarm R LR Set LR LR LR Set IRI LR Lighton LR Wet cock LI UO EI dock L Ea 7 Set Date t souna LI Unts g I L contacts 1 0 18 Setting the alarm clock LN ZSCUBAPRO gt ar pon OE By pressing the SEL at alarm menu the hours of the alarm will start blinking You can scroll the hours setting by pressing right or left By pressing SEL the minutes will start blinking and by pressing right or left you can scroll them By pressing SEL the state of alarm will start blinking and can be selected either on or off by pressing right or left Pressing SEL button will confirm the settings ce NOTE Sound off setting does not affect the alarm clock However intelligent battery stretching algorithm disables all warning tones when the battery indication is showing LO ALADIN SQUARE USER M
26. NOTE When Square is in Gauge or Apnea modes the Planner is disabled and Planner OFF is shown in this menu ALADIN SQUARE USER MANUAL In case you have done a dive and you plan to make another dive during the desaturation phase you must start a plan by giving the time you would still stay at the surface By pressing the right or left you can step the time in 15 minutes steps In case Square is displaying the no dive warning the duration of the warning itself is displayed as recommended surface interval for planning purposes rounded up to the nearest fifteen minute nerement CUBAPRO Fai When surface interval is given or if you have no remaining desaturation left the planner depth value starts blinking By pressing right or left you can set the depth in 3m 10feet steps The no decompression dive time is shown for that depth at the top row right Minimum depth for planning is 9m 30feet The planner allows only depths according to maximum ppO given to the GAS1 If GAS1 MOD is shallower than 9m SOfeet planning is not allowed and information LO ppO is shown The gas oxygen content and maximum ppO settings are given at the dive mode menu SET GAS A WARNING If you have set ppO max to OFF the planner will allow depths up to maximum of 120m 394ft Air nitrox dives with high ppO are extremely dangerous and can lead to death Be aware that exposures to high ppO will lead CNS clock value to exceed
27. ON press mode _ action press mode action Short backlight Short SCUBA alternative display data bookmark select manual gas switch manual stop the dive Start the stop watch counter 2 2 Altitude diving 2 2 1 Altitude classes altitude warning and no fly time after a dive Going to altitude is in a way similar to starting an ascent from a dive you expose your body to a lower partial pressure of nitrogen and consequently you start offgassing After a dive given the higher nitrogen loading in your body even reaching an otherwise negligible altitude can potentially cause decompression sickness Consequently Square constantly monitors the ambient pressure and uses it to evaluate your nitrogen loading and offgassing If Square notices a drop in ambient pressure not compatible with your current nitrogen loading it will activate a warning to alert you of the potentially dangerous situation Square shows no fly no dive and altitude warning symbols at the main time and date screen until the restrictions apply The exact times can be viewed at desat screen Desat screen appears only after a dive or when an altitude class change has been detected Desat screen disappears after desaturation is complete This screen shows the desaturation time at top row right The prohibited altitude the altitude which Square has computed to be incompatible with your current nitrogen saturation levels is shown at
28. RE USER MANUAL 45 ii SCUBAPRO TTI F Sel 7 ji W hy i wil i Y NAA m a i i i my ra 1 Mu i aa in a La y CEELI i By 5 ee Bsh T irem sa Hitiri sagasa tor puia o lm oe im 4 2 2 Change warnings settings of the Square and reading computer info By selecting Extras gt Computer settings you can enable disable warnings that cannot be changed at Square unit via menus tar fave Arrhme Warm anid Alarma mt CHS OU mather TNN Cormpoter i iapa i a Hoa B anbrare io H ME Gavel ipod fl et camel miom Ca i gE hF 7 hit to Stag tie Iren Orar cawi fa _ LO Ae Hius ee ren Tokat Lire Tii mi Ummriag deco miih ME Lew 11 15 Ami pne imni Bl Lmensy daco mih SM Lend LD Read chapter Warnings and alarms about the possible selections that you can modify on your Square You may also change the shown units between metric imperial Select Extras gt Options gt measurement units BAPE C Log I RAK J ption Length Om O ft Pressure bar O psi Temperature O c Or Volume liter O Cft Weight kg O Ibs Background light O dark LD Cami ij 46 ALADIN SQUARE USER MANUAL 5 TAKING CARE OF SQUARE 5 1 Technical information Operating altitude with decompression sea level to approximately 4000m 1 3300ft without decompression gauge mode at any altitude Max operating depth 120m 394ft resolution is O 1m_ until 99 9m and 1m at depth deeper than
29. You may confirm the selection by pressing SEL again ce NOTE by selecting water contacts off you may delay your dive start time up to 1 minute However with inactive water contact you prevent you Square from switching to dive ready mode when moisture for example at your gear bag would accidentally activate the water contacts SBCUBAPRO Cont AGEL fn 1 0 27 Checking the device ID SB CUBAPRO Every Square has an individual ID number 10 digits are shown in this menu This number is used for secure coding your log book and other communication with PC MAC By pressing SEL in this screen the Square will show all the display segments for 3 seconds and returns showing ID after that SCUBAPRO an GAUGE SCUE mri orn n DESAT ME w e DD a F mee aps ii fiet at Scan a STENNIS 6 000 051 He 3 ia 18 ALADIN SQUARE USER MANUAL 1 1 Settings at the dive mode The dive computer functions of Square on the surface include among others setting the oxygen concentration for nitrox diving setting the MB level of the decompression algorithm setting various warnings and personal preferences By pressing SEL at the Settings menu and if settings lock is deactivated you can scroll to DIVE settings by pressing right or left and confirm the selection by pressing SEL Set Dive Isa R R HR ESC ESC lea ESC loa SCUBA Apnea sett
30. ablished via the contacts on the case bottom Therefore if the water contacts or the spring contacts of the cradle have dirt on the surface this should be cleaned with a piece of clothing before use 4 2 Introduction to SCUBAPRO LogTRAK LogIRAK is the software that allows Square to communicate with a Windows based PC or Mac OS In order to take advantage of any of these features you need to establish a communication between your PC and Square with a cradle To start the communication 1 Connect the Shark to your PC 2 Launch LogTRAK on your PC 3 Connect the Shark to your Square 4 Confirm the connection at Square by pressing right the successful connection is indicated by a light on the Shark 5 Select USB device Square Extras gt Options gt download 86 0 0 SCUBAPRO LogTRAK Options measurement units eT le el USB Computer Rescan New Dives only J All Dives oD Cancel E 4 2 1 From LogIRAK by selecting Dive gt Download Dives you can transfer the Square Logbook to your PC or Mac Download dive profiles There are three main views each showing a specific part of your dive logs Profile showing the graphical data of the dive Details about the dive where you can edit for example the equipment and tank information Location which shows your dive site at the world map The selection tabs for views are on the top of the main window ALADIN SQUA
31. akes place in main time amp date display and in dive computer log book 1 0 22 Setting the date By pressing SEL at the date menu the first two digits of the day month field start blinking and they can be changed by pressing right or left in 24h mode the first digit is days in 12h mode the month is first Pressing SEL will confirm the setting and next two digits start blinking Again by pressing SEL these are confirmed and the year will start blinking By pressing right or left the year can be edited By pressing SEL the year will be confirmed itt 16 ALADIN SQUARE USER MANUAL 1 0 23 Setting the sound mode silent modes ECGUBAPRO Abed AL i By pressing the SEL at the sound menu one of the following options start blinking and they can be scrolled by pressing right or left Allon All audible functions are enabled Warn on Warnings Alarms are enabled Alr on Alarms are enabled All off All audible functions are disabled By pressing SEL you will confirm the setting In case you want to activate All off mode silent mode the Square will request the U code ECUBAPRO The text code enter to continue will appear and the first digit of the code will start blinking By pressing right or left buttons the number can be edited and by pressing SEL button the number is confirmed and next number starts blinking The unlock code for sound off is 313 cs NOT
32. aneennoesauemtannnn 31 241 Desaturaton FESET ccsssacsmsnreascntennsennimnadanwisexnscsaunietasosindimerars 31 2 5 Diving with nitrox or with another decompression gaS ccesseeeceeeeeeeee ees 32 2 5 1 Diving with more than ONE GAS MIX cecececsssessceeseeseeseeeeseseeees 33 2 5 1 1 Switching gas mixture during the dive ccccseeeeeees rele 2 5 1 2 Switching back to a gas mixture with lower oxygen COMES AUANION irsin aee eA ERER 34 2 5 1 3 Gas switch not carried out at the planned depth 34 20 1 4 Delayed gas SWIC lt crcsnimencuximoskadansmceusantgrenrudcndamimeraeants 34 2 5 1 5 Manual gas switch at a depth deeper than its MOD 34 2 5 1 6 Sulbmerging below the MOD after a gas switch 34 AO WYOMING S AAC GANS erminea EOE NEk 34 Be Ng i EE A A A 35 220 2 NO SIOD TINS 2 MINUTES ac cecianvecancnariceminessarcieincrbemantsnndendancies 35 26 3 Entering GECOMDICSSION css carrscicenesderoiiestarmatsnisanesncceradscerebeat OD 264A ENTSHIAG ovel SOPS xcccisandivessansanearuanareanttcarsartannanatcareimmbeascanetans 25 2 6 5 LOno stop time 2 minutes when diving an MB level 36 2 6 6 Entering deco when diving an MB level ceeecceeeseeeeeeeees 36 207 A CONTA eee E E EEES 36 BG ANC e D E E A A N NEN or Cf on me oO 260 ee re Te hee ee eer eee of 2 6 10 Missed decompression StOD cccecceseceeeeeceeseesaeeeeaeeeaeeeeeas 38 Or LOW DION cease sae EEE A E EES 38 AT BBH iNMMAUON eise
33. ble changing with weather and atmospheric pressure at that elevation Dive algorithm uses Altitude Classes which are directly derived from the barometric pressure Altitude is counted from the current barometric pressure and it is therefore a relative value The altitude can be adjusted when current elevation is known by pressing the SEL The altitude value will start blinking By pressing right or left the value can be adjusted in 10m 5O0feet steps By pressing SEL you can confirm the altitude value Adjusting the altitude elevation has no effect on altitude class More about diving in altitudes is explained in chapter Altitude diving ce NOTE Different combinations m amp C Ft amp C m amp F or Ft amp F can be selected from the dive mode menu Units 1 0 9 Planning a dive Planner Surface Interval SCUBAPRO Ala You can plan your next dive based on your body s nitrogen saturation The planner is also using following information 1 Selected oxygen concentration and active tanks 2 Selected water type 3 Selected MB level 4 Water temperature of the most recent dive 5 Altitude range 6 Status of tissue saturation at the time the planner is started 7 A normal workload of the diver and observance of the prescribed ascent rates By pressing SEL at the planner menu you will get into the planner directly or to the surface interval setting repetitive dive
34. bservance of decompression stops do not prevent the formation of microbubbles in the venous blood circulation Square has been equipped with an enhanced UWATEC algorithm named ZH L8 ADT MB to reduce the formation of these microbubbles Diving with MB levels This enhanced algorithm allows the user to choose a level of conservatism over and in addition to the worldwide proven safety record of the standard ZH L8 ADT algorithm There are five levels of added conservatism or MB levels from L1 to L5 with L5 being the most conservative and L1 being just a bit more conservative than the standard ZH L8 ADT here referred to as LO Choosing a MB level between L1 and L5 makes the algorithm more conservative therefore the diver will have either shorter no stop times or deeper and longer decompression stops referred to as level stops than when diving with LO Consequently the body will either take up less nitrogen shorter no stop dives or will be able to off gas more before returning to the surface dives with level stops Both work towards reducing the amount of microbubbles present in the body at the end of the dive Please refer to chapter Setting the Micro Bubble level for information on setting the MB level 2 7 6 When diving with a MB level other than LO Square still carries out all calculations relating to LO in the background To understand the relation between set MB level and the underlying LO calculation and how
35. d LO This gives the diver the flexibility to start with a given MB level but to cascade down to a less conservative level during the dive if you start the dive at L4 but decide not to carry out all the required L4 stops you can cascade down through L3 L2 L1 all the way to LO Only decompression stops relating to LO are mandatory and must be respected at all times whereas the level stops calculated by the MB levels are recommended but not mandatory 2 7 9 Cascading MB levels Level stop ignored MB level reduced If a level stop is required and you ascend 1 5m 5ft or more above it Square will reduce your active MB level to the next one compatible with the current depth When this happens the new active MB level is permanently displayed on the screen It is no longer possible to finish the dive with the MB level set at the beginning of the dive When the level stop depth is the same as the deco stop depth ascending 1 5m 5ft above it will cause Square to cascade down to LO At the end of the dive for five minutes after reaching the surface the active reduced MB level is shown on the display After five minutes Square changes to surface mode and switches back to the MB level set prior to the dive 2 7 10 PDI Stops Square is equipped with the innovative Intermediate Stops Profile Dependent introduced on other WUwatec dive computers PDI Stop optimizes the leading compartment off gassing with a low g
36. h By pressing SEL the settings are confirmed aa APNEA l a ALADIN SQUARE USER MANUAL 25 A 1 4 3 Setting the dive time interval alarm By pressing SEL at this menu the dive time interval alarm starts blinking By pressing right or left you can select the interval from 15 seconds up to 10 minutes in 15 second steps By pressing SEL button the function starts blinking and you may select on or off by pressing right or left By pressing SEL the ie are confirmed ZSCUBAPRO APNEA rit r tet 1 4 4 Setting the surface interval alarm By pressing SEL button at this menu the surface interval time starts blinking By pressing right or left you can select the interval from 15 seconds up to 10 minutes By pressing SEL button the function blinking and you may select on or off by pressing right or left By pressing SEL the ee are confirmed ay eal APNEA A I furt we SET TME TIME ii al a Ue 1 4 5 Setting the low Heart Rate limit alarm In apnea diving a low heart rate is a key for low oxygen consumption and therefore for longer dives However too low of pulse at depth may lead to loss of awareness and can be therefore dangerous By pressing SEL at this menu the low heart rate alarm value starts blinking By pressing right or left you can set the value from 25 to 100 beats per minute By pressing
37. he battery If any error message appears on the display take Square back to an authorized SCUBAPRO UWATEC dealer liquids ALADIN SQUARE USER MANUAL 47 Ki 5 3 Replacing the battery in Square A WARNING We recommend having the battery of Square replaced by an authorized SCUBAPRO UWATEC dealer The change must be made with particular care in order to prevent water from seeping in The warranty does not cover damages due to an improper placement of the battery Square stores the tissue saturation information in non volatile memory so the battery can be replaced at any time between dives without loss of information ce NOTE After a dive Square stores tissue desaturation data once an hour while on the surface until it is completely desaturated If battery is changed while Square has remaining desaturation time the tissue data will not be lost but Square will reference the last stored data set As a consequence the data displayed on the surface screen after the battery change desaturation time surface interval no fly time and CNS O may be different from the values displayed just prior to the battery removal f ZSCUBAPRO gt GEk g 5 After replacing the battery you must set the date and time There are two O rings at Square battery compartment Both O rings must be replaced each time when Square is opened 5 4 Warranty Square has a two year warranty covering defects
38. he key factor is not the pressure drop by itself but rather the ratio of the pressure drop relative to the ambient pressure This means that the ideal ascent rate at depth is higher than it is in the shallows Along these lines Square employs a variable ideal ascent rate its value ranges ia 36 ALADIN SQUARE USER MANUAL between 7 20m min 23 66ft min and the actual breakdown by depth range is listed in the chart below If the ascent rate is greater than 110 of the ideal value the SLOW symbol appears For ascent rates higher than 140 the SLOW symbol starts to blink CABCUBAPRO ir rin Tam a ite ii o E Ti Square also provides an audible alarm in case of ascent rates exceeding 110 the intensity of the alarm increases in direct proportion to the degree that the ideal ascent rate is exceeded In case of a fast ascent Square may require a decompression stop even within the no stop phase because of the danger of microbubble formation From great depth a slow ascent may cause heightened saturation of tissues and an extension of both decompression duration and total ascent time At shallow depth a slow ascent may shorten the decompression duration Excessive ascent rates for longer periods are entered in the logbook A WARNING The ideal ascent rate must not be exceeded at any time since this could lead to microbubbles in the arterial circulation which could cause
39. heart rate functions 1 0 4 Battery Square uses a battery of the tyoe CR2450 which is available from your SCUBAPRO dealer Square will shortly test the battery status after each activation Switch on and indicate only the state if the battery is too low In addition you can verify the status of the battery by providing the check at the main menu Checking the battery status amp NOTE A battery level indication LO means that battery has some reserve left but battery change is recommended before a dive Also with LO level battery the backlight and alarm tones are not activated A WARNING Starting a dive when the battery LO is indicated can cause the computer to fail during the dive Replace the battery before any diving activity if the battery LO appears When the do not dive symbol appears with the text change battery Square can not be used for diving before a fresh battery is replaced Please refer to chapter Checking the battery status for details how to check your Square battery status A WARNING Replacing the battery requires opening the electronic compartment of Square You must take extreme care when performing the battery change operation in order to ensure the water tightness of the dive computer Failing to do so will cause the dive computer to flood during your next dive and permanently ruin it Damage to Square due to an improper battery replacement is not covered by warranty We strongly recomme
40. in workmanship and functioning The warranty only covers dive computers which have been bought from an authorized SCUBAPRO dealer Repairs or replacements during the warranty period do not extend the warranty period itself Excluded from warranty coverage 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 servicing repairs or the opening of the dive computer by anybody not authorized to do so by the manufacturer pressure tests which do not take place in water diving accidents improper placement of the battery cap For European Union markets the warranty of this product is governed by European legislation in force in each EU member state All warranty claims must be returned with dated proof of purchase to an Authorized SCUBAPRO Dealer Visit www scubapro com for the dealer nearest you ia 48 ALADIN SQUARE USER MANUAL 6 AVG CNS O DESAT Dive time Gas 1 gas d Local time Max depth MB MB level MOD Multi gas Nitrox NO FLY No stop time J m PDIS PMG ppO ppO max Press Press and hold INT GLOSSARY Average depth calculated from the beginning of the dive or from the time of reset Central Nervous System oxygen toxicity Desaturation time The time needed for the body to completely eliminate a
41. ings settings SEL Gas settings 1 2 Gas settings By pressing right or left at the dive settings you can scroll to Set Gas menu By pressing SEL at this display will bring you to sub menu that allows changes to used Gas options in SCUBA mode Set GAS ESC SEL Nitrox reset R Desaturation time R R Set Gas 1 rc Set GAS D iii ALADIN SQUARE USER MANUAL 1 2 1 Set Gas 1 You may use your Square with the all nitrox mixes from Air to pure oxygen By pressing the SEL in this display the oxygen content of the Gas 1 starts blinking By pressing right or left you may scroll the value from 21 up to 100 By pressing SEL the ppO starts blinking By pressing right or left you may select the value from 1 00 bar up to 1 60 bar The Maximum Operation Depth MOD for the gas and selected ppO is shown at the bottom ca It is possible to disable the MOD setting shown at the field but this requires the security code 313 from the user By pressing the SEL button the user will ja the iad value CAZSCUBAPRO Le ode Ente EET UM cant ce NOTE Diving with a ppO higher than 1 4 is dangerous and may lead to unconsciousness drowning and death amp NOTE ppO is fixed to 1 60 bar when selected oxygen content is 80 or higher 1 2 2 Set Gas D When you are planning to make an extended no stop dive or decompressio
42. is accessible as alternate information You can choose to have Square warn you when you are about to enter a decompression obligation while diving with an active MB level higher than LO Square emits a sequence of audible beeps and the DECO STOP symbol blinks both for 12 seconds when the LO no stop time ends while diving with an active MB level higher than LO a a oh ie S c SUZ a ot O 4 eT ue pt an f r r Alarms can not be turned off because they represent situations that do require immediate action by the diver There are five different alarms A WARNING When in gauge mode all warnings and all alarms are OFF aside for the low battery alarm When Square is set to SOUND OFF mode all audible alarms and warnings are switched off 2 6 7 As you ascend during a dive the pressure surrounding you diminishes If you ascend too quickly the ensuing pressure reduction could lead to microbubble formation If you ascend too slowly the continued exposure to high ambient pressure means that you will continue loading some or all of your tissues with nitrogen Consequently there is an ideal ascent rate that is slow enough to minimize microbubble formation yet fast enough to minimize the effect of continued loading on your tissues Ascent rate The pressure reduction that the body can tolerate without significant microbubble formation is higher at depth than it is in the shallows T
43. iving 30 Gauge mode 42 Heart rate monitor 23 26 44 Logbook 8 10 45 Maintenance AT MB levels 40 49 Microbubbles 40 49 MOD 10 37 49 Mountain lakes ol No dive warning 31 Nitrox 21 32 49 Nitrox reset 21 No fly time 8 29 42 49 Oxygen concentration 32 Oxygen partial pressure g2 PC interface 45 PMG 33 49 ppO max 49 Safety stop timer 40 LogTRAK 45 SOS mode 31 50 Stopwatch 42 50 Surface interval 8 26 49 Technical information 4T Time of day 8 43 Time zone 49 Units 17 UTC 16 50 Water contact 18 45 47 Water type 24 ALADIN SQUARE USER MANUAL 51 Ki SCUBAPRO iat 52 ALADIN SQUARE USER MANUAL
44. lasses that are illustrated on the picture below Altitude Class The altitude classes are defined in terms of approximate elevations because the effect of weather conditions can make the switch point pressure occur at different levels A WARNING At altitude class 4 Square functions in gauge mode only automatic switch from computer mode amp NOTE You can check your current altitude class and elevation by activating the altitude meter Refer to chapter Checking the Altitude on how to do so amp NOTE Square deals with altitude automatically it monitors the atmospheric pressure every 60 seconds and if it detects a sufficient drop in pressure it does the following it shows the new altitude range at altimeter and if applicable the prohibited altitude range at desat screen it indicates the desaturation time which in this case is an adaptation time to the new ambient pressure If a dive is started during this adaptation time Square considers it a repetitive dive since the body has residual nitrogen Elevation Barometric Dive computer switch point mode 4000 m 610 mbar GAUGE 3120 ft BAS psi no deco data 3000 m 725 mbar SCUBA 9840 ft 10 51 psi 2000 m 815 mbar SCUBA 6560 fi 1182 psi 1000 m 905 mbar SCUBA 32807 13 17 po m SCUBA Oft 2 2 3 Prohibited altitude Going to altitude as well as flying after diving exposes your body to a reduced ambient pressure In a way similar to the no fly time Square ad
45. llowing order 1 Temperature 2 Average depth 3 Max depth 4 Current time of the day at the bottom row left replaces the dive time for 5 seconds 2 9 Apnea mode Square has an advanced Apnea diving mode The main features include faster sampling rate than in normal SCUBA mode and alarm functions tailored to Apnea diving Square measures the depth in Apnea mode every 0 25 seconds to ensure the precise maximum depth In logbook the data is saved in 1 second intervals The higher amount of saved data requires more space and the consequence is that approx 10 hours of log data can be stored in Apnea mode In Apnea mode it is also possible to start and stop the dive manually by pressing the SEL in dive set summary display This way you can use the Square for static apnea dives where normal dive start depth of 0 8 meters will not start a new dive As with gauge mode Square doesn t carry out any decompression calculation You can only switch to apnea mode if the computer is completely desaturated Apnea mode at surface after a dive shows the maximum depth at top row left and the dive duration at bottom row left The surface interval time is counting at the top row right for 15 minutes and if no repetitive dive is done the Square turns to dive set summary display Apnea mode during the dive shows at top row left the current depth at bottom row left the time at bottom row right the HR and
46. maximum recommended 100 amp NOTE The dive planner considers all programmed gas mixtures to be used at the planned dive when computing no stop times or decompression schedules By pressing SEL for planned depth the dive time appears at bottom row Start point minimum now is the no decompression time By pressing right or left you may change the time in 1 minute steps When no decompression time is exceeded the planner gives the deepest decompression depth and time on top of the black DECO STOP symbol MB level stops if selected are shown at the same place just with symbol STOP Total Ascent Time TAT is shown at the middle right Total Ascend Time TAT is shown at the middle right If the plan reaches CNS clock limit of 75 the symbols CNS O starts blinking and Too the TAT value at middle wc MB WL Tae DIVE TIME ji at By pressing SEL or ESC the planner will exit and you will get to the main menu 1 0 10 Reading the Logbook Dive Log ESC SEL RI History 5 Dive 4 a Dive2 Diven k ESC SEL Dive 1 RI Die 1 Intime L Out time p 10 ALADIN SQUARE USER MANUAL You can check the main information about your dives from the logbook by pressing SEL at the log menu The first free shown is the dive history a area X Hake O DWETME TIME h 4 The computer with display shown above has logged the deepest dive of
47. me If you want to learn more about the heart rate related to diving you may read a SCUBAPRO booklet 2012 Dr Uwe Hoffmann Dr Tobias Drager Sicherer Und Besser Tauchen Mit Herzfrequenzmessung amp NOTE Refer to chapter HR enable to learn how HR function can be enabled SCUBAPRO A r ne hin te Lo tit ee 1 3 6 Set the PDI Stop By pressing SEL the PDIS function starts blinking By pressing right or left the value can be set to on or off By pressing SEL the a is confirmed ZSCUBAPRO SCUBA Pai al Sed c NOTE To learn more about diving with PDI stop read the chapter PDI Stops ALADIN SQUARE USER MANUAL 23 a 1 3 7 Selecting the salt ocean or fresh water Square measures a pressure and converts depth from it by using the water density as a constant 10m 33ft depth at salt water corresponds approximately to 10 3m 34ft at fresh water By pressing SEL at this menu the Salt or Fresh at the bottom row starts blinking You may scroll between these two settings by pressing right or left and confirm the selection by pressing SEL ia 24 ALADIN SQUARE USER MANUAL 1 4 Apnea Settings Apnea diving related selections are grouped in this menu Set Apnea SEL RI Dual Depth _R Depth gt R Dive Internal _R Surface p LowHR R Ascent p Water 7i Incremental jf Cc m oO oe alarm alarm alarm alarm hee ensity
48. mixes in its decompression calculations Partial pressure of oxygen This is the pressure of the oxygen in the breathing mix It is a function of depth and oxygen concentration A ppO higher than 1 6bar is considered dangerous The maximum allowed value for ppO Together with the oxygen concentration it defines the MOD The act of pressing and releasing one of the buttons The act of pressing and holding one of the buttons for 1 second before releasing it Surface interval the time from the moment the dive is closed ALADIN SQUARE USER MANUAL 49 f SOS mode The result of having completed a dive without respecting all mandatory decompression obligations Stopwatch A stopwatch for example to time certain legs of the dive Switch depth The depth at which the diver plans to switch to a higher oxygen concentration mix while using the multi gas option in the ZH L8 ADT MB PMG algorithm UTC Universal Time Coordinated refers to time zone changes when traveling ig 50 ALADIN SQUARE USER MANUAL 7 INDEX Active backlight 13 17 29 40 Warnings 34 46 All silent mode 17 Altimeter 9 30 Ascent rate 36 Backlight 13 17 29 40 Battery 72N3 230 46 Bookmarks 29 39 Buttons 6 28 Clock settings 15 CNS O 32 809 3L 49 Date 8 16 Desaturation 49 Desaturation reset 21 31 Dive planner 9 Diving at altitude 29 Flying after d
49. n dive with another mix for accelerated decompression you may enable the Gas D As a default the value the Gas D is disabled and the content field is blank You may select the Gas D content and PpO combination so that the MOD is 3m 10ft shallower than with Gas 1 By pressing SEL at this display the oxygen content starts blinking By pressing right or left buttons you may scroll the value By pressing the SEL the ppO value starts to blink By pressing right or left the value may be selected from 1 00 bar up to 1 60 bar in 0 05 bar steps By pressing SEL the Gas D setting is confirmed and will be used at the next dive or planner use ZSCUBAPRO es E SLU ai oJ ia 20 ALADIN SQUARE USER MANUAL ce NOTE Gas d is disabled when is shown at O contents field ce NOTE To learn more about multi gas diving read the chapter Diving with more than one gas mix 1 2 3 Nitrox reset time If you are generally diving with one gas or air only and want to return to this setting after occasional nitrox or multi gas dive you can preset a default time when your Square will reset to air and disable the Gas D By pressing SEL in this menu the nitrox reset time starts blinking By pressing right or left you may scroll the reset time from 1 hour up to 48 hours or disable the nitrox reset time option by selecting By pressing SEL the nitrox reset time will be confirmed SCUBAPRO we
50. nce between 1 0 and 1 6bar It can also be turned OFF Please refer to chapter Gas settings for more information on how to change this setting Against long exposure effects Square tracks the exposure by means of the CNS O clock At levels of 100 and higher there is risk of long exposure effects and consequently Square will activate an alarm when this level of CNS O is reached Square can also warn you when the CNS O level reaches 75 see section CNS alarm Note that the CNS O clock is independent of the value of ppO max set by the user The CNS O clock increases when the oxygen partial pressure is higher than O 5bar and decreases when the oxygen partial pressure is lower than O 5bar Hence while on the surface breathing air you will always be decreasing the CNS O clock During the dive the depth at which O 5bar is reached for various mixes is as follows Air 13m 43ft 32 6m 20ft 36 Am 13ft amp NOTE The O concentration of gas dq can only be set to a value higher than the O concentration for gas 1 Square requires that the MODs of gas 1 and gas d be at least 3m 10ft apart Setting the ppO max value to OFF applies to gas 1 only Gas d is always limited to ia 32 ALADIN SQUARE USER MANUAL a maximum value of poO max of 1 6bar For oxygen concentrations of 80 and higher the ppO max is fixed at 1 6bar and cannot be changed The MOD for gas d is the switch depth for that gas This is what Square uses for
51. nd having the battery change operation be carried out by your SCUBAPRO appointed dealer See chapter Replacing the battery in Square for information on how to replace the battery ALADIN SQUARE USER MANUAL 7 Hi 1 0 5 Square operation The diagram below shows the main menu logic in a chart form The diving functions are described detailed at chapter Square as a dive computer TIME amp DATE no dive fly DESAT gt R M R R R R R R symbols during 1 nti summary L LOG j Planer C Sey E meter E meru E desaturation complete ESC ESC n Press SEL will SEL EL SEL EL switch Surface Logbook Planner R D R we bol caime IA Menu See nea o pages number 1 Set A 7 lock ff ESOT ESC R EL ISEL Dive Clock settings settings The reference point for any description of Square is the main time of day display This is the display that appears after waking the Square up from sleep mode by pressing the right button and in which the current time and date are shown SBCUBAPRO SCUBA By simply pressing buttons right or left from the time of day display you can scroll through the various menus in SQUARE The chart above shows the sequence of the menus Note that when you first reach a menu you are outside of it You must press SEL to enter the ac
52. nder any circumstance Before each dive and after changing a tank ensure that each gas mixture is set to the correct value for the corresponding tank Get a proper training and certifications to accomplish multigas dives prior of making them Square enables you to use up to two gas mixtures during the dive air and Nitrox only The two mixtures are labeled 1 and d and must be in ascending order of oxygen content Time Bottom mix Deco mix Diving with 2 gas mixtures 2 5 1 1 Switching gas mixture during the dive During the ascent phase when you reach a depth corresponding to the MOD of gas d Square will suggest that you perform the switch An audible sequence goes off and the text gas d starts blinking You have 30 seconds to respond to this message otherwise Square will consider that gas d will not be used and adapts the decompression schedule accordingly To confirm the gas switch press SEL button ce NOTE Start breathing from the tank with the new gas mixture before confirming a switch A WARNING Always make sure you are switching to the intended gas Failure to do so may result in serious injury or death After you confirm the switch the text gas d remains on the screen ALADIN SQUARE USER MANUAL 33 Hi SCUBAPRO N ATE i DIVE TIME ep nn rl ETTET oRSd a8 2 5 1 2 Switching back to a gas mixture with lower oxygen concentration There may be
53. nother decompression gas for a list of depths at which ppO equals E DA for some typical es mixes 1 hs h a a n aS ii m 2 6 10 Missed decompression stop A WARNING Violating a mandatory decompression obligation may result in serious injury or death If in presence of a required decompression stop you ascend more than 0 5m 2ft above the required stop Square will trigger an alarm the value of the current depth and the value of the required stop depth will blink and a sequence of beeps can be heard This will continue for as long as you stay 0 5m 2ft or more above the required stop 2 6 11 Low battery A WARNING Do not start a dive if the battery symbol is displayed on the screen The computer may fail to function during the dive and this could lead to serious injury or death During the dive Square alerts you of precarious battery situation by displaying a steady battery symbol on the screen This means you can finish the dive but you should replace the battery once you return to the surface 2 7 Display information Upon immersion Square will automatically start to monitor the dive regardless of what state it was in prior to the immersion Details on the information displayed can be found in the next sections The dive time is displayed in minutes If during the dive you ascend to the surface the time spent on the surface will only be counted if yo
54. ny nitrogen taken up during diving The time spent below a depth of 0 8m 3ft Refers to the main gas 1 and the decompression gas d when using the multi gas option of the ZH L8 ADT MB PMG algorithm the time in the local time zone Maximum depth attained during the dive Microbubble Microbubbles are tiny bubbles that can build up in a diver s body during and after a dive One of the six steps or levels in SCUBAPRO s customizable algorithm Maximum Operating Depth This is the depth at which the partial pressure of oxygen ppO reaches the maximum allowed level 0p0 max Diving deeper than the MOD will expose the diver to unsafe ppO levels Refers to a dive in which more than one breathing gas is used air and or Nitrox A breathing mix made of oxygen and nitrogen with the oxygen concentration being 22 or higher In this manual air is considered as a particular type of Nitrox Minimum amount of time the diver should wait before taking a plane This is the time that a diver can stay at the current depth and still make a direct ascent to the surface without having to perform decompression stops Oxygen Oxygen concentration used by the computer in all calculations Profile Dependent Intermediate Stop is an additional deep stop which is suggested by Square at depth where 3rd 4th or 5th compartment starts off gassing Predictive Multi Gas refers to the algorithm capable of including up to two different Nitrox
55. op is It also gives you the total ascent time Stops deeper than 27m 90ft and total ascent times longer than 99 minutes are shown as Decompression information at MB LO if you are diving with an MB level different than MB LO you can ask Square to show you the decompression information pertinent to the underlying MB LO calculation For more information on MB levels please refer to chapter Diving with MB levels 2 7 1 Display configuration during the dive Throughout the dive Square displays the current depth top row left the elapsed dive time bottom row left and the no stop or decompression information top row right f z 1 In addition Square utilizes the alternate displayed data at middle and bottom row right regarding the dive By pressing right button will show in Sequence 1 PDIS depth when pending 2 Maximum depth only if 1m S3ft ascent detected 2 Water temperature 3 Heart rate if activated 4 O a MOD of the active gas if gas d enabled b If gas 1 active then bail out info using only gas 1 at the middle row c Active MB level d No stop or decompression information at LO displayed in middle row only if diving with an MB level other than LO 5 CNS if greater than 1 6 Time of the day in the bottom row for 5 seconds temperature at bottom row right 2 7 2 Setting bookmarks By press and hold LIGHT button you can set any number of bookmarks as
56. r drops to Low change ie Zn to a fresh one oaae next TOUR SCUBAPRO mee tt be C Lo 1 0 15 Settings By pressing SEL at the Set menu and if settings lock is deactivated you come to time set selection SCUBAPRO o r 1 rie ait If the setting lock is activated Square will request the lock pin number before the settings can be edited ALADIN SQUARE USER MANUAL 13 Hi ZB CUBAPRO Z SS r ng OEN CH 1 0 16 Settings Lock Square is delivered with factory settings for easy start on normal air diving As a default the setting lock is deactivated If you wish to lock the settings for example to prevent the value changes for rental use then the lock can be activated at settings main menu by selecting Code on and giving a personal 3 digit pin number By pressing left after selecting the set menu the code off is shown By pressing SEL the state on or off starts blinking and you may lal wale ze pressing right or it L ZSCUBAPRO ode By pressing SEL you will confirm the setting If you enabled the code the next page will appear blinking the first digit By pressing right or left you may select any number between 0 and 9 By pressing SEL the first digit is set and next digit starts blinking After the 3rd digit is confirmed by pressing the ems the code will be set ZECUBAPRO AB CUBAPRO
57. radient at depth which is calculated from the current profile After the dive profile has reached a level where PDI Stop is recommended the Square shows symbol PDIS on the bottom row right followed by the er p depth f SCUBAPRO SCUBA DEPTH ude se DVETIME ooh i H te 5 When ascending to a PDI stop ao the PDIS symbol starts blinking and 2 minute down time counter starts running ALADIN SQUARE USER MANUAL 41 Ki Once PDIS depth has been reached you should stay on the zone that is 0 5m 3 0m 2ft 10ft from the shown PDIS depth If you descend below this zone the PDIS counter will be deactivated and j calculates a new PDIS depth EAT TY Geert y E nA ar Mia TIME A WARNING Even when performing a PDI stop you still MUST perform a safety stop at 5m 15ft for 3 to 5 minutes Performing a 3 to 5 minute stop at 5m 15ft at the end of any dive is still the best thing you can do for yourself 2 8 Gauge mode L Sousarme A GAUGE When Square is set to gauge mode it wil only monitor depth time and temperature and will not carry out any decompression calculations You can only switch to gauge mode if the computer is completely desaturated All audible and visual warnings and alarms other than the low battery alarm are turned off A WARNING Dives in gauge mode are performed at your own risk After a dive in gauge mode yo
58. rrrrenrrrreerrren 48 aA AA a a E E 48 Glossary sorrisi a a ESEA 49 ee o A EE ATE A E ow ee A EEA E A A A E 51 ALADIN SQUARE USER MANUAL 5 Ki 1 INTRODUCTION TO SQUARE Your Square User Manual is divided into five main chapters 1 Introduction to Square This chapter provides an overview of the Square computer and describes its operating modes and functions when on the surface 2 Square as a dive computer This chapter describes all settings and functions of Square as a dive computer and takes you underwater with Square It s about everything Square can and will do to enhance your safety and fun underwater 3 Square accessories This chapter describes briefly the Square extras that you can purchase to get maximum out of your dive computer in all conditions 4 Square PC interface This chapter is about personalization and customization It describes how to change settings to download and manage your logbook Square is a technologically advanced instrument that can accompany you during your underwater adventures while providing you with accurate depth time and decompression information The buttons allow operating functions access menus and changing settings while on the surface During the dive they set bookmarks show further information on the computer screen change the gas and activate the backlight Square has been designed for easy use from the first day on for the beginner with standard factory set
59. s 24 14A Aprea te NO Steet nde circa tssrnsmnennet ces eaetiacicde ene tdertues saute eE SENEE E EEE PAS 1 4 1 Setting the dual depth alarm ou cceeesesseessseeeseseessaeeeseseeeens 20 1 4 2 Setting the depth incremental alarm cccccsssesseesssseeseseeeees 25 1 4 3 Setting the dive time interval alarm cccccccseeseeeeeesseeeeeseeeees 26 1 4 4 Setting the surface interval alarm cccccecessseeeeeseeeeaeeeseeeeeeas 26 1 4 5 Setting the low Heart Rate limit alarm s es 26 1 4 6 Setting the Ascent speed alarm cceeeeeececceneseeseeeeaeeeeeseeeeas 26 1 4 7 Setting the water density ccceecececssseseeeeesseueeeeeeeeeaeeeeeeseeeas Zr ALADIN SQUARE USER MANUAL 3 H 1 5 Set Up Down Time Counter for the dive s ssssssesrrrnesrrreerrrreerrreerrrrne 27 To Algoritm SEISCTION sere A EE EEA AER 27 Te PRGA eE E E a E 28 2 Square AS a dive computer cccceeseeceeseecensecenseecensecenseecenseeennsesenseecnssesenseesons 28 21 DOIG wih gude esea oE EEE EER 28 LA AUGE CVN eeen A S E E AE A EES 29 2 2 1 Altitude classes altitude warning and no fly time after a dive 29 2 2 2 Altitude and the decompression algorithm essssessssesssssrsssssnes 30 ddas PONDIEd GUS cc csessscre scrcndscmarcctnsmunonutensiuncctnutcunienssanennnantd 30 2 2 4 Decompression dives in MOUNTAIN lakes cccesseeeeseeeeeeeeeees 31 23 No dive warning after a GIVES cacctsicrndncassassainimsaaceininandnavaanaarneei
60. safe gas At this point press SEL button to confirm the switch Square will display the text gas d without blinking and adapt the decompression schedule accordingly 2 5 1 5 Manual gas switch at a depth deeper than its MOD There may be situations in which you have no other choice but to switch to a gas mixture although you are below the MOD for that mixture Square does not prevent you from doing this but the MOD alarm will immediately start Press SEL button to start the gas switch procedure Square will show the text gas d blinking on the display This helps you verify that you are performing a switch to a safe gas At this point press SEL button to confirm the switch 2 5 1 6 Submerging below the MOD after a gas switch If after having switched to gas d you inadvertently drop again below the MOD for that mixture the MOD alarm will immediately start Either switch back to gas 1 or ascend above the MOD for gas d 2 6 Warnings and alarms Square can alert you of potentially dangerous situations via warnings and alarms You can only modify the warning and alarm settings via PC interface ia 34 ALADIN SQUARE USER MANUAL A WARNING represent situations that require the diver s attention but ignoring them does not represent an immediate risk It is up to you to decide which ones you would like to be active and which ones not The available warnings are 26 1 CNSO 75 Square tracks your oxygen uptake via the CNS O
61. situations in which you have to switch back to gas 1 from gas d This can happen for instance if you want to descend again below the MOD for gas d or if for instance you have run out of gas d during the decompression At this point you can manually initiate the gas switch by pressing SEL button Square will display the text gas 1 blinking At this point press SEL button to confirm the switch Square will display the text gas 1 and adapt the cone schedule een SCUBAPR N F zi o Hd br 2 k 9 IWE TIME TIME AG he ky aa 3 F in Pa 2 5 1 3 Gas switch not carried out at the planned depth If you fail to confirm the change to gas d within the 30 seconds of when Square suggested it gas d is excluded from the decompression calculation and the decompression schedule is adapted accordingly basically reflecting the fact that you will finish the dive using gas 1 only ce NOTE if after Square has changed the decompression schedule to reflect the missed gas switch you descend again below the MOD for gas d Square reintroduces gas d into the calculations and the decompression schedule changes accordingly 2 5 1 4 Delayed gas switch You can catch up on a planned gas mixture switch at any time by selecting the gas manually Press SEL button to start the gas switch procedure Square will show the text gas d and its MOD blinking on the display This helps you verify that you are performing a switch to a
62. sound mode silent modes sssnneesrrieerrrerrrnnn Le 1 0 24 Setting the user preferred units ceeeeeseeeceseeseeseeeeeeeeseseeeeas 17 1 0 25 Setting the Backlight ON duration cccecccccsseeeeeeeeeeeeeeseseeeees al 1 0 26 Deactivating the water contacts ccccceseccseeeeeeeeeeaeeeeseeeeeaees 18 1 0 27 Checking the device ID oo ccceccceesccseseseeeeeeeeueesseeeesaneasseeeeeas 18 1 1 Settings at the dive mode rice ccomccariercasdonen cedneneactvancadadwemsluetietanbemeadduceuss san 19 e G UE p E R ews S EAE 19 Lal OOE Tearen EE e nonstomndaueaettes 20 baa oaa D eer e e en can EEE EET canteenees 20 Lao INIPOX TESST MO ccces beat mnpanttdonunnedhdadotunemdidmennedescennentediunncdbetens 21 1 24 D saturahon Tese sated ccnsandssdenunnennadewnmncwtdnunisenbehederadteatnenewtaes 21 We OURA EEIN sooie e E a e SE 22 1 3 1 Maximum dive depth alarm ccccccccecssesecsseeseseeceeeeeseeeessenes 22 1 32 Maximum dive me alariT vosinesn codhcnaeaiwandiniunadeoteauhenpitaniwedelamens 22 1 3 3 Setting the Micro Bubble level ccceeeceessssseeeseesseeeeeseeeens 22 1 3 4 Setting the Safety stop tiMer ssseinessrinssinnerrrnnerrrrerrrrresrrne 23 1 3 5 Set HR limits Workload settings cccceccccssseeeeeeeeeeeeesaeeeees 23 136 Setthe PID SOD scissdcoscceeccetensds cedbanenatatnadheanahenedbutantedeaeadecenue nee 29 1 3 7 Selecting the salt ocean or fresh water cccceeseeeeeeeaeeeeee
63. the computer Any tissue saturation information from a recent dive will be reset to zero and the computer treats the next dive as a non repetitive dive This is useful when the computer is loaned to another diver who has not diven in the last 48 hours Description how to make a desaturation reset is explained at chapter Gas settings Desaturation reset Desaturation reset ALADIN SQUARE USER MANUAL 31 Ki amp NOTE After a desaturation reset the change between the modes Gauge Apnea and Scuba are possible immediately However since the gauge and apnea modes are not tracking your tissue nitrogen loading it is recommended to keep the initial intervals between changes on modes A WARNING Diving after having reset the desaturation is extremely dangerous and is very likely to Cause serious injury or death Do not reset the desaturation unless you have a valid reason to do so cee NOTE Removing and replacing the battery will not reset the desaturation Square stores tissue saturation information in non volatile memory For the time during which the computer is without battery the desaturation calculation is frozen and resumes from where it had left off as soon as a new battery is installed 25 Diving with nitrox or with another decompression gas Nitrox is the term used to describe breathing gases made of oxygen nitrogen mixes with oxygen percentage higher than 21 air Because Nitrox contains less nitrogen than air
64. tings but the selections and features allow the advanced user to customize according to their specific needs So it is recommended to study and understand this manual before diving with your Square It is time to dive into the details now We hope you will enjoy getting to know your new computer and we wish you many happy dives with Square 1 0 1 Buttons Square has one navigation button It can be pressed from left or right side The shape has been selected so that even with thick neoprene gloves you can follow the button from left to right with your finger without loosing the touch of the button Both left and right ends of the navigation button have different functions when pressed short or pressed and hold long press Generally the buttons operate as follows Left short scroll left at the menu left L Left long escape ESC Right short scroll right at the menu right R Right long select or confirm the setting SEL ig 6 ALADIN SQUARE USER MANUAL 1 0 2 Display The display information has been divided in a pattern of a dive profile Start of the dive Surface Safety and deco stops Descent Dring Gepih m r Acari Time at bottom Various situations like ascent descent stops can be easily located from the profile 1 0 3 Heart Rate Option Square firmware may be delivered without the heart rate option In this case please ignore the user manual descriptions referring to
65. tual menu ce NOTE When Square has wet contacts activated and they detect moisture in between the Square goes automatic to Surface display 1 0 6 When you have not been diving with your Square for a while no desaturation left the surface mode may appear as shown below indicating settings like the operation mode scuba gauge apnea water type heart rate MB level and gas mix Surface display ECUBAPRO SCUBA MBLVL After a dive the display may appear as shown below indicating maximum allowed elevation where diver may ascent desaturation time and no repetitive dive symbol too short interval ZASCUBAPRO SCUBA DESAT aii MATO Th NILA 1 0 7 After a dive you can check your surface interval by pressing SEL at the surface display The text Int and a time appears to the display The surface interval counter counts until desaturation is complete after that this display cannot be selected Surface interval counter ii 8 ALADIN SQUARE USER MANUAL ASCUZBAPRO i FA fo 1 0 8 eeN the Altitude SCUBAPRO Mik rie At the altitude menu the current altitude is calculated from the barometric pressure and shown at the bottom row left The current altitude class is shown at middle row right and this is used as ambient pressure for diving algorithm calculations At the bottom row right the current temperature is shown S NOTE barometric pressure is a varia
66. u descend again below 0 8m 3ft within 5 minutes This allows for brief periods of orientation While on the surface the time will not show as progressing but it is running in the background As soon as you submerge the time will resume including the time spent on the surface If you spend more than 5 minutes at depth shallower than 0 8m 3ft the dive will be considered ended the logbook closed and a subsequent immersion would cause the dive time to start again from zero Maximum displayed time is 199 minutes For dives longer than that the dive time starts again from O minutes i 38 ALADIN SQUARE USER MANUAL Depth the depth is given in 10cm resolution when metric mode When the depth is displayed in feet the resolution is always 1 foot At a depth shallower than 0 8m Sft the display shows Maximum possible depth is 120m 394ft No stop time calculated in real time and updated every 4 seconds Maximum displayed no stop times is 99 minutes A WARNING During all dives perform a safety stop between 3 and 5 meters 10 and 15 feet for 3 to 5 minutes even if no decompression stop is required Temperature Square displays the water temperature during the dive and the air temperature on the surface However the skin temperature influences the measurement when worn at the wrist Decompression information when Square calculates the need for a mandatory decompression stop it shows you how long and how deep your deepest st
67. u must wait at least 48 hours before diving using a decompression computer When on the surface in gauge mode Square will show neither the remaining desaturation time nor the CNS O value It will however display a surface interval up to 24 hours and a 48 hour no fly time This no fly time is also the time during which you cannot switch back to computer mode The gauge mode surface display after a dive shows the dive time at the bottom row left In the top row right the stopwatch is running from the dive start or last manual restart On the bottom row right the maximum depth of the dive is shown After 5 minutes timeout the display changes to gauge menu mode ZECUBAPRO GAUGE DEPTH e e N53 B j During a dive in gauge mode Square displays a dive time in the bottom row left The stop counter is shown at the top row right and it can be reset and restarted by pressing SEL button m ZECUBAPRO E DEPTH al ia 42 ALADIN SQUARE USER MANUAL While in gauge mode the average depth can be reset To reset the average depth press and hold left button As in SCUBA mode press right to view the time of day for 5 seconds in the bottom row left and other alternative information at the bottom row In the display below the time of the day has been selected 23 43 ones with average depth i 2 8m iF n fi lar DWE TME TIME Alternative info can be selected in the fo
68. vises you which altitudes are safe to reach after a dive and which aren t If you have to drive over a mountain pass to return home after a dive it can be quite important to have this information BCUBAPRO ss SUBA ODA Od aj The prohibited altitudes are the ones above the elevation displayed at desat display In the example above the diver should not reach altitudes of greater than 4000m Square has an altitude warning if you were to reach an altitude that according to Square is incompatible with your current residual nitrogen levels it will warn you with an altitude warning ij 30 ALADIN SQUARE USER MANUAL 2 2 4 Decompression dives in mountain lakes In order to assure optimal decompression even at higher altitudes the 3m 1Oft decompression stage is divided into a 4Am 13ft stage and a 2m ft stage in altitude ranges 1 2 and 3 If atmospheric pressure is below 610mbar altitude higher than 4000m 13300ft no decompression calculation is carried out by Square automatic gauge mode In addition the dive planner is not available in this altitude class 2 3 No dive warning after a dive If Square detects a situation of increased risk due to the potential microbubble accumulation from previous dives or a CNS O level above 40 the NO DIVE symbol will appear on the display to advise you against performing another dive right away The suggested time interval that you should wait
69. with MB levels 1 3 4 Setting the Safety stop timer By pressing SEL at this menu the function at bottom row will start blinking and by pressing right or left following options may be selected Off safety stop timer is not activated Push safety stop timer will start at the end of the dive with button press Auto safety stop timer will start automatic when the depth at the end of the dive becomes less than 5m 15ft and all decompression or MB stops have been accomplished By pressing SEL the function is confirmed and the time starts blinking By pressing right or left you the value may be selected from 1 to 5 minutes Py dha SEL the time is confirmed ZSBCUBAPRO SCUBA a Gi SET Auto 1 3 5 Set HR limits Workload settings By pressing SEL in this menu the HR high value starts blinking By pressing right or left the value can be changed from 140 up to 220 This is your maximum heartbeat setting when you are for example diving against the current By pressing SEL the low value starts blinking By pressing right or left the value can be changed from 60 up to 120 This is your heartbeat when you are relaxed in the water and for example holding from the anchor line By pressing SEL again the limits are confirmed ce NOTE Diving experience and sport exercises have an effect to your heart rate limits during diving You may need to edit the limits after you have used your Square for some ti

Aladin Square User manual - Scubapro

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