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23

2 Terminology

IV Uwatec

®

Smart dive computers

English

IV

This chapter will exclusively deal with terminology and display features used whilst diving with MB-levels.
All other features are described in chapter III (page 11).

2.1 Display during Microbubble (MB) No-Stop Phase

dive time

MB No-Stop time

12min

current depth

maximum depth

26.2 m/86ft 

Level-stop phase

MB No-stop phase

Dive phase during which ascent is allowed
without MB level- stop. 

time

depth

DIVE TIME

DEPTH

DECO INFO

MAX.DEPTH

CNS O

2

%

NO STOP

%

%

C

An 

MB-level 

between 
L1 and L5 
was chosen.

MB No-Stop time

Remaining time at a 
respective depth allowing 
ascent without level-stop.

2.2 Display during Level-stop phase

lowest
level-stop

Total ascent time 

 (14 min) 

3 min 
level-stop

9m/30ft

35.7m
117ft

6m/20ft

3m/10ft

Level-stop phase

To complete the dive without being
reduced to a lower MB level all
requested level-stops must be 
observed.

MB No-stop phase

Time

Depth

DIVE TIME

DEPTH

DECO INFO

MAX.DEPTH

CNS O

2

%

m

LEVELSTOP

%

%

C

Level-stop time

The duration of a level-stop 
at a given level-stop depth 
will be displayed.

Level-stop depth

The deepest Level-stop
at the time will be 
displayed.

Total ascent time 

including Level-stops

ft

 Eg-SMART III+IV  13.10.2001  11:16 Uhr  Seite 23

Summary of Contents for Smart COM

Page 1: ...SWISS MADE BY UWATEC AG Deutsch English Français S m a r t I n s t r u c t i o n s S m a r t P R O S m a r t COM ...

Page 2: ...ich are marked with a warning sign in this operating manual If the ascent arrow appears start ascending If the flashing ascent arrow appears in the lower display window start to ascend immediately Smart 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 rec...

Page 3: ...y increase the risk of decompression sickness Do not underta ke high altitude diving without being specifically trained in the special techniques of such diving Never dive the Smart to the limits Neither the Smart nor any other diving computer or decompressi on table should be pushed to its limit Give yourself a margin of safety by always leaving at least a few minutes in the no stop box before ma...

Page 4: ...test research results from DAN Europe The new technology allows the diver to follow more conservati ve profiles that help reduce the formation of microbubbles in the body whilst diving It is an extension of UWATEC s famous decompression calculation model ZH L8 ADT Diving with microbubble levels introdu ces a new dimension of individual diving safety For more information see page 22 This operating ...

Page 5: ... Depth O2 Mix Microbubble Level Battery Capacity Ready for Input O2 Mix MB Level Service Icon Do Not Fly Icon Do Not Dive Icon Microbubble Warning Dive Time No fly time Oxygen Toxicity CNSO2 Ascent Rate Desaturation Time Indicator Desaturation Time Duration of Surface Interval Total Ascent Time Dive Number Increased Workload Warning RBT Warning Remaining Bottom Time RBT Decompression Depth Level S...

Page 6: ...__________________________________12 2 Attention Messages and Alarms __________________________________13 2 1 Attention Messages __________________________________13 2 2 Alarms __________________________________13 Low battery alarm __________________________________13 3 Preparation for the Dive __________________________________14 3 1 Setting the gas mixture __________________________________14 3 ...

Page 7: ...__________________25 4 3 Decompression obligation __________________________________25 4 4 Level stop and Deco stop __________________________________26 5 Functions at the Surface __________________________________26 5 1 Complete a dive with MB levels __________________________________26 5 2 Repetitive dives and Microbubble Levels __________________________________26 V Dive Planner _______________...

Page 8: ... contacts B E on the outside of the housing For manual operation touch base contact B and any one of the other three contacts above the display with moistened fingers Contact B Base contact which has to be touched for all operations In order to keep the text as simply as possible it will no longer be pointed out that the contact B must be touched every time Contact E Enter contact It serves to swi...

Page 9: ...acity After switching on the Smart you can check the battery capacity with the contact E The remaining capacity is displayed during 3 seconds as a percenta ge If the value reaches 0 the battery warning gets activated see page 13 and the battery has to be replaced by an authorised Scubapro Uwatec dealer A battery capacity of 2 to 5 is definitely enough energy for the dives of usual dive vacations 2...

Page 10: ...s locked from use for the next 24 hours The display shows the most important information of the dive Desaturation is further calculated including microbubbles in the tissues Diving is again possible after 24 hours but the SOS mode can influence the calculations of the Smart for three days after the incident due to the possible presence of microbubbles If a diver using Smart experiences a diving ac...

Page 11: ...tres feet Maximum depth Maximum depth reached during the dive No stop time Remaining time at a given depth min Oxygen toxicity CNS O2 Dive time Duration of the dive min O2 Mix Selected oxygen fraction DIVE TIME DEPTH DECO INFO MAX DEPTH CNS O2 m DECO STOP C deepest decompression depth Total ascent time to surface 7 min 2 min Decompression Time 6 m 35 7 m Decompression range No stop range 3 m Time ...

Page 12: ...ault setting is a limit of 1 4 bar it can be changed with the SmartTrak software in the range of 1 2 to 1 95 bar The Smart does not display the entered ppO2 limit but warns the diver acoustically and optically if he reaches the depth at which the ppO2 limit is reached The CNS O2 value alarm is not influenced by the selected ppO2max setting CNS O2 LIMIT Oxygen toxicity With the increased percentage...

Page 13: ...bbles 20 COM Remaining Bottom Time 3 minutes 18 COM Tank pressure reaches set alarm pressure 17 COM Increased workload 17 Prohibited altitude 21 Diving with Microbubble Levels L1 L5 Level stop ignored 25 Microbubble level reduced 25 Begin decompression obligation 25 without acoustic attention beep 4 sec 2 2 Alarms Serious injury or death may result from failing to immediately respond to alarms giv...

Page 14: ...revious settings The time to reset the O2 mix to air 21 O2 can be set with SmartTrak between 1 hour to no reset default 3 2 Setting the MB level See chapter IV page 24 3 3 COM Preparation for the Dive with Smart Com The following description of the preparation of a dive is based on the assumption that the high pressure hose is correctly mounted on the HP outlet and the Smart Com is connected with ...

Page 15: ... shows Depth measurement is based on freshwater Therefore Smart shows a slightly greater depth than actually true when diving in salt water depending on the salinity of the water III DIVE TIME DEPTH DECO INFO MAX DEPTH C NO STOP DIVE TIME DEPTH DECO INFO MAX DEPTH NO STOP C DIVE TIME DEPTH DECO INFO MAX DEPTH C 4 4 Maximum depth Maximum depth is only displayed if it exceeds the current depth by mo...

Page 16: ...ve ascent rates for longer periods are entered in the logbook Ascent rate Optical alarm Acoustic alarm SPEED SPEED SPEED SPEED S L O W S L O W S L O W S L O W 4 6 Partial pressure of oxygen ppO2 The tolerable partial pressure of oxygen can be set by means of the SmartTrak software between 1 2 and 1 95 bar default 1 4 bar The set value and the information about the actual ppO2 are not displayed Mes...

Page 17: ...xygen the acoustic warning is suppressed During the ascent the display of the oxygen toxicity extinguishes and the ascent rate is displayed If the ascent is stopped the display changes back to the indication of the CNS value 4 8 COM Tank pressure Tank pressure is indicated in the lower display The tank pressure is also used for the calculation of the remai ning bottom time RBT and the workload Mes...

Page 18: ...sure should amo unt to the set pressure default 40 bar 560 psi at the end of the dive Alterations can be made with SmartTrak A graphic representation of RBT is on page 11 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 as an increased risk of decompression sickness and serious injury or...

Page 19: ...he decompression time and decom pression 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 cor rective action is not taken see page 10 If the total cumulative duration of the decompres sion alarm is longer than a minute it is entered in the logbook Response Descend to the prescribed decompression depth immediatel...

Page 20: ...til the value becomes 0 hours Flying while the Smart displays Do not fly may lead to serious injury or death from decompression sickness DESAT DIVE TIME DEPTH DECO INFO MAX DEPTH C DIVE TIME DEPTH DECO INFO MAX DEPTH NO CNS O2 h DESAT h C DIVE TIME DEPTH DECO INFO MAX DEPTH NO CNS O2 h DESAT h C Desaturation time Oxygen toxicity Do not fly icon No fly time 5 4 Warning of bubbles Through repetitive...

Page 21: ...ence that the RBT COM and the dive planner are not avai lable anymore The oxygen toxicity and the tank pressure COM are still indica ted DIVE TIME DEPTH DECO INFO MAX DEPTH C Altitude section 4 no deco data COM no RBT TANK DATA bar COM 6 1 Altitude sections Smart measures every 60 seconds the atmospheric pressure even while the dis play is switched off If the computer detects an increase in altitu...

Page 22: ...ZH L8 ADT and does not require level stops due to microbubble formation Levels L1 to L5 offer additional protection from bubble formation with level 5 offering the highest protection and should be selected for example by divers suffering from PFO Similar to the display of information during decompression dives or dives within no stop time Smart dis plays depth and duration of the first level stop ...

Page 23: ...CNS O2 NO STOP C An MB level between L1 and L5 was chosen MB No Stop time Remaining time at a respective depth allowing ascent without level stop 2 2 Display during Level stop phase lowest level stop Total ascent time 14 min 3 min level stop 9m 30ft 35 7m 117ft 6m 20ft 3m 10ft Level stop phase To complete the dive without being reduced to a lower MB level all requested level stops must be observed...

Page 24: ...ary no stop time Within the MB no stop time no level stops are required The arrow 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 see p 18 In spite of the MB level program we generally recommend to perform a slow ascent during the last few metres feet Level stop On entering the l...

Page 25: ...AX DEPTH CNS O2 m LEVELSTOP C DIVE TIME DEPTH DECO INFO MAX DEPTH CNS O2 m DECO LEVELSTOP C 4 sec 4 2 Total time of ascent Smart displays the level stop information and the total time of ascent This includes the time of ascent as well as all level stops The time of ascent is calculated on the basis of the prescribed ascent rate Total time of ascent can be subject to change if the ascent rate is no...

Page 26: ...vel stop depth 5 Functions at the Surface 5 1 Complete a dive with MB levels A dive with MB levels is completed the same way as a dive without MB levels L0 see page 20 save for the following exceptions If the MB level has been reduced during the dive the indicated MB level will continue flashing for five minutes after reaching the surface The dive is then completed and Smart changes to user mode w...

Page 27: ...the dive can be changed with the contacts and in steps of 15 minutes If a microbubble warning no dive and their duration has been displayed the Smart proposes this time rounded up to the next 15 minutes as surface interval If the proposed interval is shorte ned the microbubble warning appears With B and E you confirm the displayed interval if there was any and start the scrolling no stop times The...

Page 28: ...rve the depth indications and note the greatest depth displayed This is your maximum depth for a dive with the set mixture and the set maximum partial pressure of oxygen 2 2 Calculating of the mixture for a given depth Best Mix 1 Activate the dive planner and observe the maximum depth displayed 2 If the desired depth is not reached or exceeded leave the dive planner B E alter the percentage of oxy...

Page 29: ...reduced logbook icon lowest temperature DIVE TIME DEPTH DECO INFO MAX DEPTH CNS O2 LOG h DECO S L O W C ignored decompression stop too fast ascent 2 Operating With the contacts and you can select and with B and E open the logbook at the surface If there was a remaining desaturation time DESAT before the logbook has been selected the time between the last dive and now surface interval is dis played...

Page 30: ...pping or jarring your Smart Do not allow your Smart to be exposed to direct intense sunlight Rinse your Smart thoroughly with fresh water after each dive Do not store your Smart in a sealed container make sure there is free ventilation If there are problems with operating the contacts use soapy water to clean Smart and dry it thoroughly The surface of your Smart housing can be treated with silicon...

Page 31: ...partial pressure__________________12 13 16 O2 partial pressure maximum ___________12 16 O2 toxicity ________________________12 16 17 Oxygen see O2 PC output on PC Logbook _______________29 ppO2 see O2 partial pressure Premix setting the gas mixture _____________14 RBT ______________________________11 13 18 SmartTrak ____________________________12 29 SOS mode _______________________________10 Surfa...

Page 32: ...cubapro Uwatec Asia 4 2 Shiraho Kanazawa Ku Yokohama 236 0007 t 81 45 775 2288 f 81 45 775 4420 www scubapro co jp Printed in Switzerland 9 01 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 www scub...

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