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Diving with the SEABEAR H3

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SEABEAR H3

The following example shows a diving scenario of 3 breathing gases. TX 15/40, NX 36 and
O2 are programmed. In this example, the diver is at 38.1m and the dive time is 18min 45s.
The estimated Time to Surface (TTS) is 32min 30s and the ceiling is 30m. The maximum
depth is 63.2m. Ascent speed is 10m/min.

The currently selected gas is TX 15/40 which means that the breathing gas contains 15%
O2, 40% Helium and 45% Nitrogen. The MOD of this breathing gas is 96m. The second
screen shows the values in big digits and the third screen shows the decompression
schedule. The current ascent speed is 10m/min.

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Summary of Contents for H3

Page 1: ...Int U troduction USE 3 ER M 3 MAN NUAL L V0 12 2 requires f firmware V S 1 27 SEABEAR 1 H3 ...

Page 2: ...rnings 10 3 Using the SEABEAR H3 13 3 1 Activating the SEABEAR H3 13 3 2 Button Operation 14 3 3 Charging USB connection 16 4 Settings 19 4 1 Overview menu structure 20 4 2 Main menu 23 4 3 Navigation sub menu 24 4 4 Editing a heading 24 4 5 Compass calibration 26 4 6 Gas submenu 27 ...

Page 3: ...he surface 33 5 1 Watch mode 33 5 2 main surface screen 35 5 3 Large number dive screen 38 5 4 Compass screen 39 5 5 Navigating with the compass 40 6 SEABEAR H3 automatic switch on 42 7 Diving with the SEABEAR H3 44 7 1 Preparations before the dive 44 7 2 SEABEAR H3 decompression model 46 7 3 No decompression diving 49 7 4 Safety Stop indicator 52 ...

Page 4: ... TRIMIX 59 7 9 Gas switches TRIMIX 61 7 10 Ascend speed bar graph 64 7 11 Dive profile 65 7 12 Inter gas loadings 66 7 13 Acoustic alarms 69 7 14 Bottom timer mode 70 7 15 Apnea mode 72 7 16 Closed circuit rebreather mode 74 7 16 1CCR related settings 74 7 16 2Selecting a setpoint 74 7 17 After Diving 75 7 18 Flying after Diving 76 ...

Page 5: ...mizing the SEABEAR H3 81 10 Outdoor modes 82 10 1 Stop watch 83 10 2 Altitude logging 83 11 Care and Maintenance 85 12 Specifications 87 12 1 General specifications 87 12 2 Decompression algorithm 88 12 3 Electrical Specifications 89 12 4 Dive data storage 89 12 5 Special software features 90 12 6 Testing and validation 90 ...

Page 6: ...Introduction 6 SEABEAR H3 13 Troubleshooting 91 14 Firmware update 92 15 Limitations of Liability 93 16 Contact 95 ...

Page 7: ...dive computer for Air Nitrox TRIMIX and closed circuit rebreather diving 1 The H3 is not only great during diving With its in built altimeter and tilt compensated compass it is also the perfect watch for outside the water outdoor activities The H3 is an active NFC tag which means that dive data can instantly be transferred to NFC enabled mobile devices for detailed visuaklization and for sharing o...

Page 8: ... inherent risk of scuba diving Do not use this SEABEAR H3 if you are not aware of these risks and you do not accept these remaining risks In this manual the following precautionary symbols are used to indicate the following important precautionary statements Those statements provide information about potential hazards and proper procedures Three different safety signs are used to rank their import...

Page 9: ...ny circumstances CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE statements are used to notify the user of information regarding installation operation maintenance performance general important tips or statements describing a procedure or situation that might cause damage to the device but is unrelated to physical injury ...

Page 10: ... H3 cannot account for these variations We strongly advise you to stay within the exposure limits provided by the instrument to minimize the risk of DCS No decompression algorithms can give a guaranteed safe decompression It is your responsibility to be trained dive safely carry backup tables and instrumentation and compare any decompression schedules generated with the SEABEAR H3 against establis...

Page 11: ... and indicators on the SEABEAR H3 as this may result in serious injuries and can be even lethal Be aware of Nitrogen narcosis this cannot be indicated on this computer there are no warnings The SEABEAR H3 can be only used with open circuit breathing systems The SEABEAR H3 should never be shared between differed divers Use always the same dive computer for repetitive dives There is an in built memo...

Page 12: ...f you do not perform the proposed decompression stops a flashing sign will indicate a ceiling to which you should ascend If you still ignore these warnings there is NO additional ERROR OR LOCKOUT Do not ignore these warnings decompression stops must be done for your own safety and on your own responsibility For safety reasons you should always dive with backup instruments including a depth gauge p...

Page 13: ...left or the right button shortly to activate the computer Then the SEABEAR H3 will start in Watch mode and display time and date Short press of the left button will toggle between outdoor screens Long press of the left button will start the dive computer mode Short press of the right button will start and stop the stop watch while long press will reset the stop watch to 0 The SEABEAR H3 will switc...

Page 14: ...d long pushes of the buttons Within the menu the long push functions are indicated at the bottom of the screens directly above the buttons A short press of the left button which is indicated with a short arrow would toggle in this example the screens A long press of the left button which is indicated with a long arrow would switch to dive computer mode DC ...

Page 15: ...symbol for a short push is a hand with a stretched index finger To perform a long push the button is pushed and held for 1s Long button pushes have different functions The menu is accessed from one of the main screens with a long push of the left button The symbol for a long push is a hand with a watch symbol and a stretched index finger Symbol for a short push Symbol for a long push ...

Page 16: ...ter USB port or to a USB charger The output of the charger should be 5V The charger should be able to provide at least 500 mA electrical current After connecting the SEABEAR H3 to a PC navigate to menu PC mode and activate PC MODE by press and hold of the left button The SEABEAR H3 should be automatically recognized as mass storage device Eject the SEABEAR H3 correctly from your PC before exiting ...

Page 17: ...epth divetime and decompression obligations are incorrect It the battery was completely discharged the dive computer may reset and loose all decompression information If reset occurred between repetitive dives be aware that the SEABEAR H3 looses decompression data and compartment inert gas pressure data from previous dives thus decompression readings and no decompression calculations for following...

Page 18: ... Using the SEABEAR H3 18 SEABEAR H3 Use only a clean and dry USB cable Clean and dry the connector surfaces of the cable ...

Page 19: ...o enter the menu press and hold the left button for more than 1s It is possible to enter the menu on the surface as well as also during the dive However during the dive not all menu items are available After 20s inactivity which means that for 20s you do not press any button the SEABEAR H3 will exit the menu automatically ...

Page 20: ...int 2 SET OC switch to open circuit EDIT CCR SP1 edit setpoint 1 EDIT CCR SP2 edit setpoint 2 GAS gas table with up to 8 gases NAVIGATION select one of 3 predefined headings STOP WATCH START start stop watch STOP stop stop watch RESET reset stop watch MODES OC open circuit diving mode APNEA apnea diving mode BOTTOM TIMER bottom timer mode CCR closed circuit rebreather mode ...

Page 21: ... TIME ZONE 1 adjust time zone 1 UTC h TIME ZONE 2 adjust time zone 2 for dual clock mode UTC h ALARM CLOCK set alarm clock ALTITUDE adjust altitude LOG ALTITUDE activate deactivate altitude logging capability COMPASS CALIBRATION calibrate the compass COMPASS DECLINATION set sompass declination UNITS set units to metric or imperial DISPLAY OLED BRIGHTNESS set oled brightness COLOR SCHEMES color sch...

Page 22: ...tion STANDBY switch off dive computer At the bottom of the screen is written what function is performed when one button is pressed long SELECT a menu item or gas is selected EDIT edit a value gas etc SAVE save store a value like for instance O2 or He fraction or compass heading EXIT exit the menu ...

Page 23: ...ss and hold the left button to enter a sub menu or to select a menu item in the menu like STANDBY Press and hold the right button to exit the main menu Selecting the menu item STANDBY switches the SEABEAR H3 into standby mode Selecting the menu item INFORMATION displays information about the SEABEAER H3 Serial number firmware version and deco code version are shown ...

Page 24: ... left button to set one heading or to switch off navigation Press and hold the right button to edit one heading 4 4 Editing a heading First aim the H3 at the desired direction Then long press the left button to store the direction that is displayed on the screen In the next step you can modify the caption of the heading Short press the left or the right button to scroll characters Press and hold t...

Page 25: ...xt step it is possible to save a depth Shortly press the left or the right button to increase or decrease the depth Press and hold the left button to save the depth Iron magnetic fields and electric fields can disturb the compass and can cause incorrect readings The magnetic field of the earth is not homogeneous Be aware of declination The declination can be set in menu SETTINGS DECLINATION ...

Page 26: ... compass calibration takes approximately 2 minutes Within this 2 minutes rotate the SEABEAR H3 vertically around all its axes After calibration check the compass heading If the compass heading is incorrect redo the calibration process For further instructions on compass calibration visit the SEABEAR webpage www seabear diving com ...

Page 27: ...e H3 MULTIGAS feature is unlocked Shortly press the left or the right button to navigate in between the gases Long press the left button to select a gas 4 6 1 Selecting g a gas Press and hold the left button to select a specific gas After setting one gas the SEABEAR H3 exits the menu and returns to normal operation The SEABEAR H3 uses then this gas for calculating compartment on and off gassing ...

Page 28: ...ill start blinking which means that this value can be edited now Shortly press the right button to increment the O2 fraction Shortly press the left button to decrement the O2 fraction Press and hold the left button to store the O2 fraction Press and hold the right button to delete a gas entry It is only possibly to delete a gas entry which is not set ...

Page 29: ... for calculating decompression stops The SEABEAR H3 uses all programmed gases to calculate decompression stops and to estimate time to surface Make sure that the gas which is currently set matches the gas you are breathing If the gas fractions set in the SEABEAR H3 do not match the frations of the gas you are actually breathing decompression calculation will be wrong Use multi gas diving only when...

Page 30: ... the left button to select a mode In the dive computer mode default mode the SEABEAR H3 is calculating compartment on and off gassing no decompression times and decompression stops The apnea mode is especially designed for breath hold diving No decompression data are shown In the bottom timer mode no decompression data are shown either I When using the bottom timer mode the SEABEAR H3 uses the Nit...

Page 31: ...old right button to exit the menu The sub menu SETTINGS contains the following items DIVE dive relevant parameters can be set ALTITUDE allows setting the current altitude TIME time date can be set UTC TIME ZONE the time difference is set UTC h COMPASS select this menu item to perform a compass calibration DECLINATION a compass declination can be set Default value is 0 OLED BRIGHTNESS Use this sub ...

Page 32: ...CH it is possible to set the color of the watch screen H2O DENSITY only available with Science unlock the water density can be set in order to achieve geometrically accurate depth readings In all other modes the SEABEAR H3 depth readings are according to EN13319 TIME FROM GPS only available with GPS unlock use this menu item to obtain the time settings from the GPS receiver ALARM in this menu it i...

Page 33: ...e You can use the SEABEAR H3 as a watch Shortly press the left or the right button to switch on the display The display shows time date Moreover there is an indicator for the alarm clock The example shows time 7 00 January 20th 2015 In the second example the alarm clock is set to 17 00 After a few seconds the display will fade back and the SEABEAR H3 will return to standby mode During watch mode p...

Page 34: ...y adjusting the UTC offset in the menu SETTINGS TIME ZONE 1 and TIME ZONE 2 Note The first time is the time that is used by the dive computer for storing dive data in the logbook and for decompression calculation It watch mode a stop watch is available Press the right button short to start and stop the watch and press the right button long to reset the stop watch In case that LOG ALTITUDE is activ...

Page 35: ... is shown In this example the ambient pressure is 1013 mbar Below the current altitude is displayed 0 m The conservatism setting is GF15 90 The battery is full A red no fly indicator is visible this means that at this moment flying is not allowed In this example the no fly indicator will remain red for another 2h and 17 min and then the no fly indicator will turn green The second example shows tha...

Page 36: ...ot make sense thus instead of GF data the surface interval is shown The surface interval is the elapsed time on the surface after end of the last dive The surface interval in that example is 2h and 3 min The remaining battery capacity is less than 30 thus the SEABEAR H3 should be charged before the next dive When the SEABEAR H3 is charged via a USB cable then the battery symbol shows a bold arrow ...

Page 37: ...ly set the SEABEAR H3 to altitude diving The inbuilt algorithm measures the ambient pressure for 1 min If the current displayed value is not validated by the in built algorithm and needs to be updated the small warning indicator is displayed left to the ambient pressure reading In this case the ambient pressure reading is displayed grey instead of white The SEABEAR H3 offers alternative screens Sh...

Page 38: ...ace it shows data about the last dive 40 2m maximum depth and 16 min and 44s dive time The currently selected gas is AIR with an MOD of 66m In the right field on the bottom the surface interval is shown The surface interval is the time that has passed since sufracing after the last dive A yellow STOP sign picture in the middle indicates that the SAFETY STOP was missed The red DECO sign right pictu...

Page 39: ...e during diving The compass screen shows the heading The current depth is shown on top left of the screen On the right side either the current time or the dive time is shown dependent wether the diver is on the surface or is diving The example shows heading 87 depth 7 4 m and dive time 27 minutes and 12 seconds The compass screen is available on the surface as well as in water ...

Page 40: ...le the preprogrammed heading WRECK was selected The actual heading of the diver is 87 The selected heading is 95 and is displayed in the same color as the name of the heading A little arrow on top of the compass scale is directing to the right suggesting the diver to turn a bit more right to meet the selected heading If actual heading and selected heading match a round circle will be displayed on ...

Page 41: ...prior to using a compass underwater Exercise and become familiar with the compass of the SEABEAR H3 on land before using it underwater Check before a dive if the compass works correctly Metals electric fields and magnetic fields may influence the compass and cause incorrect readings ...

Page 42: ...s the beginning of a dive and automatically turns it on even when the dive computer is in standby mode The algorithm measures the ambient pressure in intervals of 10s If the diver starts a dive and the ambient pressure supersedes 1 1 bar absolute pressure which equals to 1m depth at sea level or if the diver descends more than 1m min the SEABEAR H3 is switched on The automatic switch on feature ca...

Page 43: ... is possible that the SEABEAR H3 enters dive mode even when not being immersed in water This can only happen in rare cases for instance during the free fall phase in sky diving Deactivate the automatic switch on feature when you use the SEABEAR H3 for sky diving activities When the automatic switch on feature is deactivated be aware that in this case if the diver does not switch on the dive comput...

Page 44: ...g the water check on the surface screen Battery level Personal settings and Gradient settings Gas settings Time and date Units use units you are familiar with imperial or metric Switch on the SEABEAR H3 before you enter the water If automatic switch on is activated you do not need to switch on the SEABEAR H3 It will be activated automatically as soon as you dive deeper than 1m however we still rec...

Page 45: ...d for a long time Low temperatures can affect battery performance Pay special attention to the charge level of the battery during cold water dives Verify before each dive that the SEABEAR H3 settings are correct If you are using breahting gases other than air analyze the breathing gas before the dive Set the SEABEAR H3 to units you are familiar with imperial or metric units ...

Page 46: ...sed to estimate the Helium gas loadings The popular gradient factor GF concept allows customization of the algorithm The gradient factor concept allows reducing the maximum allowable compartment gas loading to a percentage of the maximum allowable loading according to the original Buehlmann ZH L16 model In other words a gradient factor below 100 results in shorter no decompression times longer dec...

Page 47: ...d atmospheric pressure in altitude diving The SEABEAR H3 comes with 4 predefined Gradient factor settings GF 35 85 standard this is the default setting GF 30 70 more conservative GF 80 80 only shallow stops GF 95 95 no conservatism User setting only available with MULTIGAS and TRIMIX unlock The conservatism can be set in SETTINGS DIVE CONSERVATISM GF High and GF low can be set in SETTINGS DIVE ...

Page 48: ...ller than GF high results in deeper stops Do not use GF setting 95 95 This enables longer no decompression times and short decompression schedules but has nearly no safety margin in comparison to a plain Buehlmann ZH L16 algorithm GF setting 95 95 has an increased risk of decompression sickness Do not program GF settings yourself unless you have the required knowledge about decompression theory th...

Page 49: ...escent speed and battery voltage The example shows current depth 22 3m maximum depth 22 3m battery is full dive time is 18min 1s remaining no decompression time NDT is 8 min the water temperature is 22 5 C the selected breathing gas is air the conservatism setting is default GF35 85 and the diver is ascending with 10m min On the left side are 16 bar graphs showing the compartment inert gas loading...

Page 50: ...he current breathing gas thus it is dependent on the O2 fraction of the breathing gas and the depth The maximum pO2 can be set in SETTINGS DIVE MAX PO2 Green pO2 MAX PO2 0 2 bar Yellow MAX PO2 0 2 bar pO2 MAX PO2 Red MAX PO2 pO2 MAX PO2 0 2 bar Red blinking pO2 MAX PO2 0 2 bar The NDT field is color coded as well Green NDT 1min Yellow NDT 1 min Red NDT 0min ...

Page 51: ...ovided by the instrument to minimize the risk of DCS However even if you stay within recreational limits and the no decompression limits given by this dive computer DCS may appear Before diving you should consult a physician regarding your fitness to dive In recreational diving do not dive with a pO2 1 4 bar Diving with a high pO2 may lead to O2 intoxication Never dive with a pO2 1 6 bar Diving wi...

Page 52: ...ty stop between 3 and 6 m depth The SEABEAR H3 only requests a Safety Stop if the dive was deeper than 10m The Safety Stop feature can be enabled or disabled in the submenu SETTING DIVE SAFETY STOP In the example on this page the diver has performed a dive to a maximum depth of 22 3 m and now at around 5m depth the safety stop indicator suggests a 3min stop Perform a safety stop at the end of the ...

Page 53: ...med diving gases In recreational mode only one gas is available In decompression diving the SEABEAR H3 shows a ceiling in m and the estimated time to surface An additional screen is available which gives detailed decompression stop information at which depth decompression stops have to be done as well as how long those have to be The example screen shows a current depth of 22 3m dive time 32 min 1...

Page 54: ...ession stops in cases where there is a ceiling indicator and time to surface is displayed additional screen shows the decompression schedule This screen shows next to current depth dive time and local time also the current ascend speed which is 5m min in this example Moreover the required decompression stops are listed One stop at 6m for 30s One stop at 3m for 4 min 20s ...

Page 55: ...xposure limits provided by the instrument to minimize the risk of DCS Besides the decompression stops there are no additional mandatory safety stops or error messages displayed when the decompression ceiling and time or the recommended ascent rate are violated Do not violate the ceiling depth during your decompression In order to avoid doing so by accident you should stay slightly below the ceilin...

Page 56: ...that at the current depth has still a pO2 of less than 1 6 bar The TTS prognosis as well as the decompression schedule are calculated on the basis of the programmed breathing gases If the selected breathing gas is different than the breathing gas suggested by the SEABEAR H3 the SEABEAR H3 will highlight the better breathing gas with a blinking indicator To select the breathing gas suggested by the...

Page 57: ...is 7min and the ceiling is 9m The maximum depth is 22 3m The currently selected gas is Air The MOD of Air is 66m The second screen shows the values in big digits and the third screen shows the decompression schedule The current ascent speed is 3m min Two decompression stops wit NX50 are required one for 30s at 6m and another one for 50s at 3m ...

Page 58: ...ABEAR H3 suggests a gas switch to NX50 If compass or deco schedule screen is selected a blinking GAS symbol is displayed to notify the user that a gas switch should be performed After performing a gas change after having changed the breathing regulators the user has to confirm the gas change on the SEABEAR H3 This is a very simple task A single long press of the right button is sufficient to confi...

Page 59: ... depth and the fractions of the programmed breathing gases It suggests the breathing gas with the highest fO2 fraction that at the current depth has still a pO2 of less than 1 6 bar The TTS prognosis as well as the decompression schedule is calculated based on the programmed breathing gases If the selected breathing gas is different than the breathing gas suggested by the SEABEAR H3 the SEABEAR H3...

Page 60: ...s The estimated Time to Surface TTS is 32min 30s and the ceiling is 30m The maximum depth is 63 2m Ascent speed is 10m min The currently selected gas is TX 15 40 which means that the breathing gas contains 15 O2 40 Helium and 45 Nitrogen The MOD of this breathing gas is 96m The second screen shows the values in big digits and the third screen shows the decompression schedule The current ascent spe...

Page 61: ...linking NX36 symbol appears in the screen meaning that the SEABEAR H3 suggests a gas switch to NX36 After performing a gas change and having changed the breathing regulators the user has to confirm the gas change on the SEABEAR H3 This is a very simple task A single long press of the right button is sufficient to confirm the gas change and change the selected gas Alternatively it is also possible ...

Page 62: ...uires the TRIMIX unlock Do not perform multigas diving without proper training Do not use breathing gases other than air in particular NITROX breathing gases unless you have been properly trained in using those and unless you have a NITROX certification Do not use breathing gases other than air in particular TRIMIX breathing gases unless you have been properly trained in using those and unless you...

Page 63: ...for decompression sickness Do not use breathing gases other than air in particular hypoxic TRIMIX breathing gases with a O2 fraction of less than 20 unless you have been properly trained in using those and unless you have a TRIMIX certification The SEABEAR H3 suggests a breathing gas solely based on the MODs of the breathing gases and the current depth but does not account for isobaric counter dif...

Page 64: ...eed The maximum ascend and descent speed that can be indicated is 20m min The ascent speed is indicated with a bar graph starting on the right bottom The indicator is color coded Green for an ascent speed less than 7m min yellow for an ascent speed above 7m min and red for ascend speeds exceeding 12 min min In the first example the blue bar graph shows a descent speed of 12m min The second example...

Page 65: ...risk of decompression sickness Do not descend faster than 20 m min as this may increase the risk for inert gas narcosis 7 11 Dive profile The SEABEAR H3 continuously logs the dive profile The dive profile screen is an alternative screen Press the left or the right button short to toggle screens until the dive profile is shown ...

Page 66: ...is visualized with a dashed red line As soon as the compartment gas loading supersedes the dashed red line it turns red In this case a decompression stop is required Whether or not a compartment is on or off gassing can be seen on the blue horizontal ambient pressure line If one bar graph is higher than the ambient pressure line then this particular compartment is on gassing If it is lower it is o...

Page 67: ...r compartments have inert gas loadings higher than the ambient pressure line which means that they are off gassing The 8 slower compartments are below the ambient pressure line thus they are on gassing In the second example compartments 2 3 and 4 supersede the red dotted line Therefore a decompression stop is required before surfacing All compartments are below the dotted blue ambient pressure lin...

Page 68: ...ceiling is 30m Only the 4 fastest compartments are higher than the blue dotted ambient pressure line which means that only the 4 fastest compartments are already off gassing while the remaining 12 slower compartments are on gassing The ascend speed is 10m min This manual does only describe the functionality of the SEABEAR H3 It is not intended as guidebook for decompression multigas of trimix divi...

Page 69: ...c alarms The SEABEAR H3 has an inbuilt piezo sounder to indicate potentially dangerous situations The acoustic alarm is triggered in the following situations Remaining no decompression time NTD 1 min Ceiling violation Ascend speed is greater than 18 m min ...

Page 70: ...provide any decompression information while it is used in bottom timer mode The first example shows the SEABEAR H3 in bottom timer mode during a dive It shows 27min 12 s dive time 39 2m maximum depth 24 7m average depth and a current depth of 30 6m The ascend speed is approximately 10m min The second example shows the SEABEAR H3 in bottom timer mode on the surface It indicates maximum depth averag...

Page 71: ... estimated by assuming that the diver was breathing air during the dive Be aware that this is just a rough estimation It is your responsibility to wait for sufficient time before flying After recreational multi day diving one should wait at least 24h before flying After technical diving wait at least 48h before flying Using the H3 in normal dive mode within 48h after using it in bottom timer mode ...

Page 72: ...utton to activate apnea mode The apnea screen is similar to the screen in the bottom timer mode In this example it shows 34 6m current depth 43 7m maximum depth 15 6m average depth and 2 58 min dive time On the surface it shows additionally the surface interval The interval is given in minutes and seconds In this example the surface interval is 2min 36s The surface interval is the time that has pa...

Page 73: ... estimated by assuming that the diver was breathing air during the dive Be aware that this is just a rough estimation It is your responsibility to wait for sufficient time before flying After recreational multi day diving one should wait at least 24h before flying After technical diving wait at least 48h before flying Using the H3 in normal dive mode within 48h after using it in bottom timer mode ...

Page 74: ... the selected pO2 setpoint and the currently selected diluent gas Note there is an extra gas table for diluents gas in CCR CCR GAS TABLE Up to 8 diluent gases can be programmed 2 setpoints SP1 and SP2 can also be programmed edited in the CCR menu During diving it is possible to edit and change diluent gases 7 16 2 Selecting a setpoint The 2 setpoints SP1 and SP2 and also open circuit mode bailout ...

Page 75: ...e H3 is performing the decompression calculation according to a fixed pO2 but is not able to measure the pO2 inside the loop If the pO2 inside the loop is different decompression calculation will most likely be wrong and decompression sickness may occur 7 17 After Diving After each Dive rinse the SEABEAR H3 in fresh water and let it dry Be sure that the SEABEAR H3 is dry and clean before connectin...

Page 76: ...the surface screen Do not fly directly after a dive Flying after diving may cause decompression sickness Wait at least 24h after the last dive before flying It is your own responsibility to avoid flying directly after diving No decompression algorithm can totally eliminate the risk of decompression sickness when flying after diving even if the no flight times indicated by the dive computer are obe...

Page 77: ... the dives The current example shows dive number 55 date February 2nd 2014 beginning of the dive 15 13 25 The maximum depth was 47 4m average depth was 16 2m the dive duration was 80min and 35s and the minimum water temperature was 16 5 C The breathing gas was air and the Gradient factors were set to GF 30 80 Shortly press the left button to navigate to the dive before Shortly press the right butt...

Page 78: ...e mobile device Pairing of the devices is not required A dedicated SEABEAR App is available which allows viewing dive data as well as sharing them in social networks It is also possible to view the last dives in the menu LOGBOOK Alternatively one can download the dive data to a PC If you want to download the data of the last dive to a mobile device make sure that the mobile device is equipped with...

Page 79: ...version of the Diveapp can be downloaded from the SEABEAR website www seabear diving com Alternatively it is possible to access the SEABEAR H3 with any file explorer The SEABEAR H3 appears as local drive in your file explorer Search for a drive with the name SEABEAR There are several files LOGBOOK txt contains a summary of all the dives done with your SEABEAER H3 Detailed information about each di...

Page 80: ...corrupted data on the SEABEAR H3 Do not delete the file BLACKBOX DAT It contains encrypted information about the SEABEAR H3 that can be read only by SEABEAR technicians Before connecting the SEABEAR H3 to a USB cable make sure that the USB connector on the SEABEAR H3 is clean and dry Failure to do so may lead to corrosion of the contacts Exiting PC mode without correctly ejecting the SEABEAR H3 fr...

Page 81: ...er PC mode through the menu Open a file explorer and search for the SEABEAR drive The SEABEAR H3 appears as a local drive in your file explorer Create a text tile in the root folder of the SEABEAR H3 Rename the file to user info The file can contain 3 lines of characters and numbers but at maximum 14 characters numbers per line The text will be displayed after the next restart of the SEABEAR H3 ...

Page 82: ... can also be used as an altimeter In watch mode the screen can be switched between watch screen compass screen and altitude profile The altitude profile is only available if LOG ALTITUDE is activated and the stop watch is running Switching between the screens in watch mode is done with a short press of the left button ...

Page 83: ...EABEAR H3 is capable of logging the altitude Therefore it is necessary to enable this feature first in the menu SETTINGS LOG ALTITUDE When altitude logging is enabled as soon as the stop watch is running altitude is recorded The altitude profile is shown on a separate screen When altitude logging is activated the altitude profile screen also shows minimum and maximum altitude as well as cumulated ...

Page 84: ...he altitude files by simply connecting the SEABEAR H3 to a PC and entering USB mode The altitude is calculated from the atmospheric pressure If the weather changes this usually also induces atmospheric pressure changes thus the altimeter may show incorrect values During hiking or other outdoor activities frequently adjust the altimeter settings at points with known altitude Iron or magnets may inf...

Page 85: ...ect your SEABEAR H3 from shock excessive temperatures chemicals and mechanical tampering After diving rinse the SEABEAR H3 in fresh water to avoid corrosion Before connecting the SEABEAR H3 to a USB cable make sure that the USB connector on the SEABEAR H3 is clean and dry Failure to do so may lead to corrosion of the contacts Protect your SEABEAR H3 during transportation and from mechanical shocks...

Page 86: ...R H3 should be inspected for mechanical damage and cracks before and after each dive to ensure it is working properly Failure to observe the above precautions leads to loss of warranty and any product related liability of Seabear Diving Technology ...

Page 87: ...0m Full color OLED Display 160 x 128 pixel RGB 1 7 Digital Pressure Sensor 130 m rated Depth resolution 0 1m Temperature resolution 0 1 C Imperial metric mode Digital Compass tilt compensated USB interface NFC Interface Housing made from stainless steel 316L Ultra scratch resistant Sapphire glass window ...

Page 88: ...ments for Nitrogen 16 compartments for Helium Unlock code required for multigas diving Unlock code required for TRIMIX diving Gradient factors 4 pre set values No fly time indicator Automatic altitude adaption 8 gases for open circuit diving 8 diluent gases 2 setpoints for closed circuit rebreather diving ...

Page 89: ...A Autonomy in standby mode 1y 15h operation during diving Charge time 2 3 h 12 4 Dive data storage 32MBit storage capacity Dive data storage interval in dive mode 5s Dive data storage interval in free diving mode 1s Memory accessible via USB SEABEAR H3 is recognized as Mass Storage Device NFC Tag capability instant download of dive data to a mobile phone without pairing ...

Page 90: ...ing 12 6 Testing and validation The SEABEAR H3 was tested according to the European Normative EN13319 About 10000 simulated dives were carried out in the laboratory and in the hyperbaric chamber to validate the correct implementation of the decompression model The code was validated according to Eric C Bakers implementation of the Buehlmann ZH L16 algorithm with Gradient Factor extension ...

Page 91: ...arger but does not charge Check the cable and the connector pins for corrosion and dirt Clean if possible Problem The SEABEAR H3 is outside the water but it is in dive mode and the displayed depth is greater than 0 5m This can happen when the SEABEAR H3 was exposed to a sudden drop of atmospheric pressure In this case it is necessary to reset the SEABEAR H3 Simply attach the USB cable to the SEABE...

Page 92: ... USB mode and activate STANBY mode in menu STANDBY The SEABEAR H3 is automatically updated with the firmware All decompression information are lost after a firmware update Avoid a firmare update between repetitive diving Performing a firmware update between dives will cause the SEABEAR H3 to loose decompression data and the remaining compartment inert gas loadings from the previous dives thus the ...

Page 93: ...HESE INFLUENCING VARIABLES MAY INCLUDE BUT ARE NOT LIMITED TO DEHYDRATION OBESITY AGE OLD INJURIES OR OTHER PHYSICAL CONDITIONS OF THE DIVER OR ENVIRONMENTAL EXTREMES OF HEAT OR COLD OR POOR TRAINING OR DIVING PRACTICES ANY OF WHICH MAY PROMOTE THE ONSET OF DECOMPRESSION SICKNESS OR OTHER HARMFUL EFFECTS THE SEABEAR HEAD UP DIVING COMPUTER WAS TESTED ACCORDING TO RELEVANT NORMATIVES EN13319 AND EN...

Page 94: ...RVICE UNDER THE LIMITED WARRANTY OR LOSS OF USE DURING THE TIME THE PRODUCT IS BEING REPAIRED YOU HEREBY IRREVOCABLY WAIVE AND RELEASE SEABEAR ITS ELECTED AND APPOINTED OFFICIALS EMPLOYEES VOLUNTEERS OR OTHERS WORKING ON BEHALF OF SEABEAR FROM ANY LIABILITY OR OBLIGATION TO YOU OR YOUR HEIRS EXECUTORS OR PERSONAL REPRESENTATIVES FOR ANY LOSS DAMAGE COST EXPENSE OR CLAIM ARISING OUT OF CAUSED BY OR...

Page 95: ...Contact 95 SEABEAR H3 16 Contact SEABEAR GmbH Peter Tunner Strasse 19 A 8700 Austria Homepage http www seabear diving com News https www facebook com seabear diving ...

Page 96: ...Contact 96 SEABEAR H3 ...

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