Uwatec SMART TEC Operating Manual Download Page 6

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Safety considerations

___________________________________2

Introduction

___________________________________4

Important remarks concerning signal words

and symbols

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Quick reference / Operating scheme

___________________________________5

List of chapters

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System and operation

___________________________________8

System description

___________________________________8

Operation

___________________________________8

2.1 Operating elements

___________________________________8

2.2 SmartTRAK

___________________________________9

2.3 Switching on the display

__________________________________10

2.4 Checking the battery capacity

__________________________________10

2.5 Selection and activation of user functions

__________________________________10

2.6 Active backlight

__________________________________11

2.7 Switching off the display

__________________________________11

SOS mode

__________________________________11

Setting up Smart TEC

__________________________________12

4.1 Mounting of transmitter

__________________________________12

4.2 Pairing of transmitter and dive computer

__________________________________13

III Diving with Smart TEC

__________________________________15

Terminology / Symbols

__________________________________15

1.1 General terminology / Display during no-stop phase __________________________________15
1.2 Display during decompression phase /

Remaining Bottom Time

__________________________________15

1.3 Nitrox information (O

information)

__________________________________16

Attention messages and alarms

__________________________________17

2.1 Attention messages

__________________________________17

2.2 Alarms

__________________________________17

Preparation for the dive

__________________________________18

3.1 Setting the gas mixture and MOD

__________________________________18

3.2 Setting the MB level

__________________________________18

3.3 Preparation for diving with more than one gas mixture ________________________________18
3.4 Preparation for the dive and function check

__________________________________18

Functions during the dive

__________________________________19

4.1 Immersion

__________________________________19

4.2 Setting

bookmarks

__________________________________19

4.3 Dive time

__________________________________19

4.4 Current depth

__________________________________19

4.5 Maximum depth / Temperature

__________________________________19

4.6 Ascent rate

__________________________________19

4.7 Partial pressure of oxygen (ppO

) / Maximum Operating Depth (MOD) ___________________20

4.8 Oxygen toxicity (CNS O

__________________________________21

4.9 Tank pressure

__________________________________21

4.10 Remaining Bottom Time (RBT)

__________________________________22

4.11 Decompression information

__________________________________22

4.12 Safety stop timer

__________________________________23

Functions at the surface

__________________________________24

5.1 End of a dive

__________________________________24

5.2 Desaturation time

__________________________________24

5.3 No-fly time

__________________________________24

5.4 Microbubble warning

__________________________________24

List of chapters

I UWATEC

Smart dive computers

Summary of Contents for SMART TEC

Page 1: ...Operating Manual SWISS MADE BY UWATEC AG Smart TEC English ...

Page 2: ...reased 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 Smart TEC 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 thi...

Page 3: ...urface 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 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 carryin...

Page 4: ...use up to three different gas mixtures during the same dive However for an easy reading this manual mainly refers to dives with a single gas mixture Information for diving with several gas mixtures is marked with or has been summarised in special chapters We thank you for choosing Smart TEC and we hope you will enjoy safe dives in the future Further information on UWATEC Smart dive computers and o...

Page 5: ...ning Transmitter warning Remaining bottom time RBT Number of active tanks Decompression depth Level stop depth No stop time Decompression duration MB no stop time Level stop duration Duration of Microbubble Warning Tank pressure Gas consumed Partial pressure of oxygen ppO2 Logbook indicator Ascent time icon No stop indicator Level stop indicator Decompression stop obligation Ignored decompression ...

Page 6: ...nformation __________________________________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 mixture and MOD __________________________________18 3 2 Setting the MB level _____________...

Page 7: ... __________________________________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 Diving with more than one gas mixture __________________________________32 VII Dive planner ___...

Page 8: ...ed with the TEC Package Infrared interfaces are available in PC sto res 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 TEC 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 contac ts above the displa...

Page 9: ...computer and graphically display the data The following settings may be changed with SmartTRAK Unit system metric imperial Audible attention signal suppression selective Gauge mode Depth alarm 5 100 m 20 330 feet Backlight 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...

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

Page 11: ... 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 NO NO CNS O2 Time remaining until SOS mode switches off automatically 2 6 Ac...

Page 12: ... resembles that of the transmitter of the main tank on the back It is advisable to mount the transmitter on the same side 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 transmitte...

Page 13: ...tank symbol you wish to pair with a certain transmitter by pressing Selected tank symbol will flash Confirm the selection by pressing for at least 1 second Tank symbol stops flashing Tank symbol 2 can only be selected after tank symbol D has been assig ned to a certain gas mixture 3 Move the dive computer and transmitter into the shown position Transmitter and dive computer must be in physical con...

Page 14: ...rtain tank symbol press to select the tank symbol Confirm your choice by pressing for 1 second 3 Move the computer into transmitting range of the transmitter 4 Open the tank valve The transmitter switches on automatically 5 Check the display Pairing has been carried out correctly if the pressure is displayed within 5 10 seconds Check the assignment of all tanks and transmitters as well as the pair...

Page 15: ...ximum depth Temperature MB Level Maximum depth reached during the dive No stop time Remaining time at a given depth during which ascent is allowed without decompression stop min Oxygen toxicity CNS O2 Dive time Duration of the dive min O2 Mix Selected oxygen fraction tank 1 NO STOP CNS O2 RBT Remaining bottom time DECO STOP CNS O2 Total ascent time to surface 7 min 6 m 35 7 m Decompression range N...

Page 16: ... set by means of SmartTRAK between 1 0 and 1 95 bar When you enter the settings for the gas mixture TEC will display the ppO2 max limit setting and the corresponding MOD TEC 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 TEC 18 setting the gas mixture ...

Page 17: ...hed set warning level 21 Increased workload 21 Depth for tank switch has been reached 35 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 alarm 4 sec 2 2 Alarms Serious injury or death may result from failing to immediately respond to alarms given by TEC Alarms are given ...

Page 18: ... the MOD 5 Confirm the selected percentage with B and E 6 By bridging B and or B and you can change the MOD for the chosen fraction of oxygen TEC will now display the corresponding partial pressure limit ppO2 max for the new MOD 7 Confirm your MOD settings with B and E Without confirmation the display will disappear after 3 minutes and your entries will not be accepted Please refer to page 32 for ...

Page 19: ... 999 minutes If a dive lasts longer than 999 minutes the dive time display starts again at 0 minutes 4 4 Current depth Current depth is given in 10 cm increments 1 foot On switching on and at a diving depth of less than 0 8 m 3 ft the display shows Depth measurement is based on freshwater Therefore TEC shows a slightly greater depth when diving in salt water depending on the salinity of the water ...

Page 20: ... alarm SPEED SPEED SPEED SPEED S L O W S L O W S L O W S L O W 4 7 Partial pressure of oxygen ppO2 max Maximum Operating Depth MOD The maximum partial pressure of oxygen ppO2 max default 1 4 bar determines the Maximum Operating Depth MOD Diving deeper than the MOD will expo se the diver to oxygen partial pressures higher than the set maximum level The MOD and consequently the ppO2 max can be reduc...

Page 21: ...ssure is also 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 TEC displays a lung symbol and an audible alarm goes off The sens...

Page 22: ...he end of the dive Alterations can be made with SmartTRAK A graphic representation of RBT is on page 15 During dives with several gas mixtures the calculation of the RBT is based on the assumption that the diver will use the current gas mixture to finish the dive 34 35 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 ...

Page 23: ...e minute it is entered in the logbook Descend to the prescribed decompression stop depth immediately Total time of ascent As soon as decompression stops are necessary TEC shows the total time of ascent This includes the ascent time from the current depth to the surface and all decom pression stop obligations The total time of ascent is calculated on the basis of the prescribed ascent rate and a no...

Page 24: ...should pass before a flight and is displayed and adjusted until the value becomes 0 hours Flying while TEC displays do not fly may lead to serious injury or death from decompression sickn ess DESAT NO CNS O2 NO CNS O2 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...

Page 25: ...ygen toxicity and the tank pressure are still indi cated Dive at altitude range 4 no deco data no RBT 6 1 Altitude ranges TEC measures the atmospheric pressure every 60 seconds even while the dis play is switched off If the computer detects a sufficient increase in altitude it switches on automatically and indicates the new altitude range 1 4 and the desaturation time Desaturation time indicated a...

Page 26: ...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 TEC can not be used as dive computer for 48 hours Procedure 1 Bridge contacts B and or B and until the gauge symbol and on or off are displayed 2 Confirm with B and E that you wish to activate or deactivate th...

Page 27: ...eing displayed At a diving depth of less than 0 8m 3 ft the stop watch will automatically measure and display the split time If the diver descends again the stopwatch timer will be displayed again After diving in gauge mode TEC shows the remaining time span during which it cannot be used in compu ter mode Once the waiting period is over the gauge mode can be switched off manually 26 The no fly tim...

Page 28: ...L8 ADT and 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 TEC displays depth and duration of the first level stop as well as the total time of ascent as soon as the MB no stop ti...

Page 29: ...e Depth MB level activated Level L2 is active MB no stop time Remaining time at a respective depth allowing ascent without level stop NO STOP CNS O2 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 The d...

Page 30: ...hin 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 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 disapp...

Page 31: ...lays the level stop information and the total time of ascent This inclu des the time of ascent as well as all level stops The total time of ascent is calculated on the basis of the prescribed ascent rate and a normal workload Total time of ascent can be sub ject to change if the ascent rate is not ideal 100 or if TEC detects a higher workload 4 3 Decompression obligation Avoid decompression dives ...

Page 32: ...e within 1 5m 5feet of the stop depth itself TEC shows and The indicated duration refers to level stop duration Since level stops are more restrictive than decompression stops when all decompression obligations have been observed the display changes from to only LEVELSTOP LEVELSTOP DECOSTOP LEVELSTOP DECOSTOP Microbubble level L0 L5 L0 L5 3m 10ft Deco stop duration Level stop duration Depth Time L...

Page 33: ...r the fraction of oxygen for tank D deco mix accor ding to the instructions on page 18 points 1 5 3 By bridging B and or B and enter the desired depth at which you will change to tank D during the ascent phase Confirm your settings with B and E The depth you have selected is the Maximum Operating Depth MOD for this gas mixture and the indicated ppO2 becomes the maximum tolerable partial pressure o...

Page 34: ...lation of decompression data e g the total time of ascent is based on the assumption that changes of gas mixture will be performed at the previously selected depths MOD gas mixture 2 MOD gas mixture D If a diver ignores a required change or changes the mixture belatedly TEC will readjust the decompression calculation accordingly The dive computer will then base its calculations on the assumption t...

Page 35: ...nt gas mixture Failure to do so can result in oxygen poisoning WARNING Examples for clarification of RBT and change of gas mixtures The following figures show a dive profile and the display of various TECs in the following settings 1 Start of ascent the TECs have different decompression prognosis indicating the benefit of the travel and or decompression gases However the RBT is the same for all fo...

Page 36: ...EC 3 DECO STOP CNS O2 DECO STOP CNS O2 DECO STOP CNS O2 DECO STOP CNS O2 DECO STOP CNS O2 DECO STOP DECO STOP DECO STOP DECO STOP DECO STOP CNS O2 DECO STOP CNS O2 DECO STOP CNS O2 DECO STOP CNS O2 DECO STOP CNS O2 DECO STOP CNS O2 DECO STOP CNS O2 DECO STOP CNS O2 DECO STOP CNS O2 DECO STOP CNS O2 DECO STOP CNS O2 DECO STOP CNS O2 TEC 1 21 tank 1 0 10 20 30 40 10 20 30 40 50 0 50 60 Time min Dept...

Page 37: ...nner at the surface The dive planner cannot be selected in gauge mode The microbubble warning and its duration are displayed if TEC detects an increased risk due to the accumulation of microbubbles Enter the dive planner with B and E The input window for the time interval is displayed if there was a remaining desaturation DESAT befo re the Dive Planner has been selected This surface interval betwe...

Page 38: ...a respectively for this set bottom time If you wish to plan a decompression dive at another depth switch from decom pression planning to no stop planning by means of B and E TEC 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 199 ...

Page 39: ...00 hours of diving This information can be transferred to a PC with the standard infrared interface 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 adaptation time is displayed instead of the surface interval CNS O2 Igno...

Page 40: ...e it carefully with fresh water after each use and to have the batteries changed when needed To avoid possible problems with your TEC the following recommendations will help assure that it will give you years of trouble free service Avoid dropping or jarring your TEC Do not allow your TEC to be exposed to direct intense sunlight Rinse your TEC thoroughly with fresh water after each dive Do not sto...

Page 41: ...nment 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 SCUBA PRO 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 r...

Page 42: ...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 TEC 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 TEC Display pressure gauge 3770 3480 3190 2900 2610 2320 2030 1...

Page 43: ...ssure__________________16 17 20 O2 partial pressure maximum ___________16 20 O2 toxicity __________________15 16 17 21 39 Operating TEC ________________________4 8 9 Oxygen see O2 PC transfer to PC logbook ________________39 ppO2 see O2 partial pressure Premix setting the gas mixture______________18 RBT ______________________________15 17 22 Safety stop timer__________________________23 Setting th...

Page 44: ...039 Sestri Levante GE t 39 0185 482 321 f 39 0185 459 122 www scubapro 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 Bru...

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