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3 Preparation for a dive with microbubble levels (MB levels)

UWATEC

Smart dive computers

3.1 Setting the MB level

To change the MB level Smart Z must be in user mode.

1. Bridge contacts B and + or B and – until the symbol for MB levels appears.

2. Confirm that you wish to change the displayed MB level by bridging B and E.

3. Change MB level by bridging contacts B and + or B and – .

4. Confirm with B and E the selected MB level.

Without confirmation the display will disappear after 3 minutes and your
entries will not be accepted.

Smart Z will display the

symbol to confirm that an MB level beyond L0

(L1-L5) has been chosen. If however a level stop is ignored, the new MB level
is permanently shown (->31).

MB levels have an influence on the dive planner.

4 Functions during the dive with microbubble levels

4.1 Level stop information

Microbubble (MB) no-stop time

While diving with MB levels L1 to L5 Smart Z will display the MB no-stop time instead of the ordinary no-
stop time. Within the MB no-stop time no level stops are required.
The arrow

NO STOP

and the MB level symbol

are visible. The remaining MB no-stop time is shown

in minutes.

• Information and alarms for MB no-stop time and ordinary no-

stop time are the same (->22).

• Regardless of the MB level, we generally recommend to perform

a slow ascent during the last few metres / feet.

Level stop

On entering the level stop phase, the arrow

NO STOP

disappears and the arrow

LEVELSTOP

appears. The

LEVELSTOP

arrow flashes for 8 seconds and an audible

attention beep goes off. To complete the dive without being reduced to a lower
MB level, all requested level stops must be observed.

To the right of the

LEVELSTOP

arrow, the deepest level stop is displayed in

metres/feet. The display "3m 2:" ("10ft 2:") means that a level stop of 2 minutes
at a depth of 3 metres (10ft) has to be observed.

When a level stop obligation is finished, the next higher level stop – if present
– is displayed. When all level stops have been observed, the arrow

LEVELSTOP

extinguishes and the arrow

NO STOP

reappears. The indication of time shows

the MB no-stop time again.

NO STOP

MB no-stop time

+ –

CNS O

LEVELSTOP

Deepest level
stop depth

Total ascent time

Level stop duration

Level stop icon

Содержание Smart 2

Страница 1: ...Operating Manual SWISS MADE BY UWATEC AG Smart Z English Deutsch Français ...

Страница 2: ...risk which are marked with a warning sign in this operating manual If the ascent arrow appears start to ascend If the flashing ascent arrow appears start to ascend immediately This computer has a ppO2 warning the default limits of which are set at 1 4 bar ppO2max This limit can be adjusted via SmartTRAK An alteration of the ppO2max to higher than 1 6 bar is dangerous and we do not recommend this F...

Страница 3: ... interval is long enough just like diving with compressed air Plan for a minimum surface interval of two hours Oxygen too needs sufficient time to leave the body Match gas mixture to the intended dive Do not attempt a repetitive dive if the microbubble warning NO is visible on the display Plan a day without diving once a week If you have to change computers wait at least 48 hours before carrying o...

Страница 4: ...the most extraordinary dive computer equipped with UWATEC s most innovative technology while diving We thank you for choosing this computer and we hope you will enjoy safe dives in the future Further information on UWATEC Smart dive computers and other products by UWATEC can be found on our web page at www uwatec com To make this manual easier to read we will use the term Smart Z as an abbreviatio...

Страница 5: ...uration Oxygen toxicity CNS O2 Ascent rate Battery capacity Desaturation time indicator Desaturation duration Duration of surface interval Total ascent time Dive number Increased workload warning Transmitter warning Remaining bottom time RBT Decompression depth Level stop depth No stop time Decompression duration MB no stop time Level stop duration Duration of Microbubble Warning Tank pressure Gas...

Страница 6: ... Remaining Bottom Time __________________________________15 1 3 Nitrox information O2 information __________________________________16 2 Attention messages and alarms __________________________________17 2 1 Attention messages __________________________________17 2 2 Alarms __________________________________17 3 Preparation for the dive __________________________________18 3 1 Setting the gas mixt...

Страница 7: ..._________30 4 1 Level stop information __________________________________30 4 2 Total time of ascent __________________________________31 4 3 Decompression obligation __________________________________31 4 4 Level stop and deco stop __________________________________32 5 Complete a dive with MB levels __________________________________32 VI Dive planner __________________________________33 1 Plann...

Страница 8: ... is included with the Smart Z Package Infrared interfaces are available in PC stores A list of recommended interfaces is available on the UWATEC homepage www uwatec com 2 Operation On page 5 you will find an operating schematic 2 1 Operating elements Smart Z has 4 operating contacts B E on the outside of the housing For manual operation touch base contact B and any one of the other three contacts ...

Страница 9: ...ht illumination duration 2 12 sec Maximum partial pressure of oxygen ppO2 max 1 1 95 bar Time limit to reset the O2 mix to air no reset 1 48 hrs Minimum reserve pressure at the end of the dive basis for RBT calculation 20 120 bar 300 1750 psi Tank pressure alarm 50 200 bar 750 2900 psi Workload sensitivity 25 steps The following data may be recalled with SmartTRAK Number of past dives Total durati...

Страница 10: ...aining desaturation time the oxygen toxicity and the no fly time 24 2 4 Checking the battery capacity After switching on Smart Z you can check the battery capacity by bridging the contacts B and E The remaining capacity is displayed for 3 seconds as a percentage If the value reaches 0 the battery warning gets activated 17 and the battery has to be replaced by an authorised SCUBAPRO UWATEC dealer F...

Страница 11: ...ess Diving in SOS mode is extremely dangerous and you must assume full responsibility for such behaviour UWATEC will assume no liability Once in the SOS mode the computer will lock up and will be inoperable as a diving instrument for 24 hours A diving accident can be analyzed at any time in the logbook and downloaded to a PC by means of the infrared interface IrDA and the SmartTRAK software Time r...

Страница 12: ...that the computer is located This is the optimal position for transmission HP Do not hold the transmitter by its plastic part Mount the transmitter at the HP oulet If the threads do not match you can get a fitting adaptor at your diving equipment retailer Tighten the transmitter by means of a size 3 4 wrench Position of the transmitter for left handers Position of the transmitter for right handers...

Страница 13: ...tact during the entire pairing procedure 4 Open the tank valve The transmitter briefly sends a pairing sequence to the computer 5 The dive computer shows a flashing PAIr shortly after the valve has been opened 6 In order to confirm the pairing the B and E contacts have to be bridged with in 5 sec A beep confirms the input and the PAIr display remains still 7 PAIr disappears after approx 10 sec In ...

Страница 14: ...been carried out correctly if the pressure is displayed within 5 10 seconds If the transmitter has been correctly paired but Smart Z cannot receive the tank pressure will appear on the display In that case check the position of transmitter and dive computer If the transmitter has not been paired or if an existing pairing has been deleted via SmartTRAK the display will remain empty In that case tra...

Страница 15: ... time Remaining time at a given depth during which ascent is allowed without decompression stop min Oxygen toxicity CNS O2 Time Depth Dive time Duration of the dive min O2 Mix Selected oxygen fraction RBT Remaining bottom time Temperature CNS O2 NO STOP CNS O2 DECO STOP 6 m 35 7 m 3 m RBT 21 min Decompression stop All required decompression stops must be observed Decompression stop depth Deepest s...

Страница 16: ...et by means of SmartTRAK between 1 0 and 1 95 bar When you enter the settings for the gas mixture Smart Z will display the ppO2 max limit setting and the corresponding MOD Smart Z warns the diver audibly and visually once the depth is reached at which the ppO2 reaches the maximum allowed value The partial pressure limit set by means of SmartTRAK can be reduced manually at Smart Z 18 setting the ga...

Страница 17: ...e 3 minutes 22 Tank pressure has reached set warning level 21 Increased workload 21 Diving with microbubble levels L1 L5 MB no stop time 0 30 MB level stop ignored 31 MB level reduced 31 Entering decompression when diving with MB level L1 L5 31 without audible attention beep 4 sec 2 2 Alarms Serious injury or death may result from failing to immediately respond to alarms given by Smart Z Alarms ar...

Страница 18: ...tion of oxygen Smart Z will now display the corresponding partial pressure limit ppO2 max for the new MOD 6 Confirm your MOD settings with B and E Without confirmation the display will disappear after 3 minutes and your entries will not be accepted The time to reset the O2 mix to air can be set with SmartTRAK between 1 and 48 hours or to no reset default 3 2 Setting the MB level See chapter V 28 3...

Страница 19: ... measurement is based on freshwater Therefore Smart Z shows a slightly greater depth when diving in salt water depending on the salinity of the water No calculation however is affected III English NO STOP NO STOP 4 4 Maximum depth Maximum depth is only displayed if it exceeds the current depth by more than 1 m 3 feet maximum indicator function Set maximum depth reached If the maximum depth set wit...

Страница 20: ...sure of oxygen ppO2 max default 1 4 bar determines the Maximum Operating Depth MOD Diving deeper than the MOD will expose the diver to oxygen partial pressures higher than the set maximum level The MOD and consequently the ppO2 max can be reduced manually at Smart Z 18 setting the gas mixture point 5 In addition the maximum allowed ppO2 can be set by means of SmartTRAK between 1 0 to 1 95 bar The ...

Страница 21: ... used for the calculation of the remaining bottom time RBT and the workload When the tank pressure reaches the set warning pressure SmartTRAK an audible alarm goes off and the tank symbol is shown Default value of warning pressure 100 bar 1450 psi Do not dive any deeper Start to ascend soon In case of increased workload Smart Z displays a lung symbol and an audible alarm goes off The sensitivity o...

Страница 22: ...o far recorded The RBT is based on the assumption that the tank pressure should amount to the set pres sure default 40 bar 600 psi at the end of the dive Alterations can be made with SmartTRAK A graphic representation of RBT is on page 15 Never allow the RBT to go below three minutes If the RBT goes below three minutes there is a danger of insufficient supply of gas mixture for the ascent as well ...

Страница 23: ...n increase massively if a decompression stop is ignored When the surface is reached during the decompression alarm the arrow DECOSTOP the decompression stop dura tion and decompression stop depth continue flashing in order to point to the risk of a decompression accident The SOS mode is activated 3 minutes after the dive if corrective action is not taken 11 If the total cumulative duration of the ...

Страница 24: ...at should pass before a flight and is displayed and adjusted until the value becomes 0 hours Flying while Smart Z displays do not fly may lead to serious injury or death from decompression sickness CNS O2 NO CNS O2 NO Desaturation time Oxygen toxicity Do not fly icon No fly time 5 4 Microbubble warning Through repetitive dives microbubbles accumulate in the lungs if the surface interval is not lon...

Страница 25: ...gher than 4100 m 13450 ft above sea level no decompression data is calculated and displayed automatic gauge mode In addition RBT and the dive planner are not available anymore The oxygen toxicity and the tank pressure are still indicated Dive at altitude range 4 no deco data no RBT 6 1 Altitude ranges Smart Z measures the atmospheric pressure every 60 seconds even while the display is switched off...

Страница 26: ...rmed at your own risk After diving in gauge mode you should wait for at least 48 hours before using a decompression computer Switching the gauge mode on and off Gauge mode can be switched on and off at the surface if no desaturation time is being prescribed After diving in gauge mode Smart Z can not be used as dive computer for 48 hours Procedure 1 Bridge contacts B and or B and until the gauge sy...

Страница 27: ...which it cannot be used in computer mode Once the waiting period is over the gauge mode can be switched off manually 26 The no fly time after diving in gauge mode is 48 hours Desaturation time will not be displayed English 27 IV Gauge mode UWATEC Smart dive computers IV NO ...

Страница 28: ...nd does not require level stops due to microbubble formation Levels L1 to L5 offer additional protection from microbubble formation with level L5 offering the highest protection Similar to the display of information during decompression dives or dives within no stop time Smart Z displays depth and duration of the first level stop as well as the total time of ascent as soon as the MB no stop time h...

Страница 29: ... MB level An MB level between L1 and L5 was chosen MB no stop time Remaining time at a respective depth allowing ascent without level stop CNS O2 NO STOP 2 2 Display during level stop phase Lowest level stop depth Total ascent time 14 min 3 min Level stop duration MB no stop phase Time Depth Level stop duration The duration of a level stop at a given level stop depth is displayed Level stop depth ...

Страница 30: ... no level stops are required The arrow NO STOP and the MB level symbol are visible The remaining MB no stop time is shown in minutes Information and alarms for MB no stop time and ordinary no stop time are the same 22 Regardless of the MB level we generally recommend to perform a slow ascent during the last few metres feet Level stop On entering the level stop phase the arrow NO STOP disappears an...

Страница 31: ...he level stop information and the total time of ascent This includes the time of ascent as well as all level stops The total time of ascent is calculated on the basis of the prescri bed ascent rate and a normal workload Total time of ascent can be subject to change if the ascent rate is not ideal 100 or if Smart Z detects a higher workload 4 3 Decompression obligation Avoid decompression dives whe...

Страница 32: ...and the diver starts another descent shortly afterwards Smart Z might immediately request level stops To complete the dive with the initially set MB level all level stops must be observed 4 4 Level stop and deco stop When the level stop depth equals the depth of the first obligatory decompres sion stop and if you are within 1 5m 5feet of the stop depth itself Smart Z shows DECOSTOP and LEVELSTOP T...

Страница 33: ...interval is displayed if there was a remaining desaturation DESAT before the Dive Planner has been selected This surface interval between now and the beginning of the dive can be changed with the contacts B and or B and in steps of 15 minutes NO If a microbubble warning no dive and its dura tion has been displayed Smart Z proposes this time rounded up to the next 15 minutes as surface interval If ...

Страница 34: ...ta respectively for this set bottom time If you wish to plan a decompression dive at another depth switch from decompression planning to no stop planning by means of B and E Smart Z again shows the scrolling no stop times Now you can switch between no stop planning and decompression planning at will with contacts B and E If the calculated decompression information and the total ascent time exceed ...

Страница 35: ...s longer than 2 minutes Smart Z records the profiles of about 100 hours of diving This information can be transferred to a PC with the standard infrared inter face IrDA and the Windows software SmartTRAK Up to 99 dives can be displayed directly on the dive computer The following information of the dive is displayed If a dive is started within adaptation time after a change of altitude the adaptati...

Страница 36: ...th fresh water after each use and to have the batteries changed when needed To avoid possible problems with your Smart Z the following recommendations will help assure that it will give you years of trouble free service Avoid dropping or jarring your Smart Z Do not allow your Smart Z to be exposed to direct intense sunlight Rinse your Smart Z thoroughly with fresh water after each dive Do not stor...

Страница 37: ...ment and dispose the battery properly If you notice traces of seeping water damages or other defects on the o ring do not use the transmitter for further dives Take it to an authorized SCUBAPRO UWATEC dealer for check and repair 7 Always insert a new o ring when you replace the battery and dispose the old o ring Make sure that the new lubricated o ring is in perfect condition and that o ring o rin...

Страница 38: ... mechanical pressure gauge displays the current pressure influenced by temperature The figure below allows you to compare the information given by a conventional pressure gauge and by Smart Z at six different temperatures 260 240 220 200 180 160 140 120 150 160 170 180 190 200 210 220 230 bar 35o C 30o C 20o C 10o C 5o C 0o C Display Smart Z Display pressure gauge 3770 3480 3190 2900 2610 2320 203...

Страница 39: ...ion _______________________ 15 16 18 O2 partial pressure_________________ 16 17 20 O2 partial pressure maximum _______ 16 18 20 O2 toxicity__________________15 16 17 21 35 Operating Smart Z_____________________4 8 9 Oxygen see O2 PC transfer to PC logbook _____________ 8 35 ppO2 see O2 partial pressure Premix setting the gas mixture _____________ 18 RBT _____________________________ 15 17 22 Setti...

Страница 40: ...9 122 www scubapro uwatec it SCUBAPRO UWATEC Japan 4 2 Marina Plaza 5F Kanazawa Ku Yokohama Japan t 81 45 775 2288 f 81 45 775 4420 www scubapro co jp SCUBAPRO UWATEC France Les Terriers Nord 175 Allée Belle Vue F 06600 Antibes t 33 0 4 92 91 30 30 f 33 0 4 92 91 30 31 www scubapro uwatec com SCUBAPRO UWATEC Benelux Avenue des Arts 10 11 Bte 13 1210 Bruxelles t 32 0 2 250 37 10 f 32 0 2 250 37 11 ...

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