User Manual - Dykmagasinet
Contents
1. Caution A reboot also deletes the current tissue load data Baba a ee OE ee A a a ee Reset Deco To delete the current tissue load and decompression data choose Reset Decodata and press ENTER You ll be prompted to confirm the action For the next dive OSTC3 assumes your N2 and He tissue load is completely leveled to normal surface conditions without any dives in the past two days Caution Use Reboot and Reset Decodata only if no repetitive dives are planned within the next 48hours Reset all Resets all settings except time and date to factory defaults You will be prompted to confirm the action Dive records in the logbook and the dive counter will not be reset Caution Reset All does reset ALL settings in OSTC3 to their factory defaults except time and date Once confirmed this can not be undone 79 Dive mode BALL A AL A A A A A A A A A A A A A A A A A A A A A A A A A a a a a ddd PEETA Dive Mode Displays in Divemode e Permanent shown information e Depth in meters or feet e Maximum depth 5 A 0 Divetime in minutes and seconds e e NDL No Deco Limit or TTS Time to 28 2 1 25 28 2 e Selected gas mix setpoint in CCR 1 mode Ce ee Ee ee ee Oe ee ee ee ee e Water temperature in C or F Selectable information in the center area of the screen e Stopwatch with average depth e Decoplan display of all decompression stops Time EAD END and graphical indic2. Exit Next Enter gt Deco Planner POSS SSS SPOS PSPS OPO SOOO COSTCO COTO T eS Deco Planner Simulator Interval 0 Bot Time 23 Max Depth 51m Calculate Deco Exit lt Next ars a a a aa Use the deco planner to simulate the dive mode of the OSTC3 or calculate the decoplan for the specified maximum depth and bottom time Calculate Decoplan As a planning aid OSTC3 can calculate decompression stops in advance to a planned dive Hereby all settings of the OSTC3 and the tissue load of previous real dives are taken into account If you are planing a delayed repetitive dive setup the surface interval in minutes Be ee ee ee ee ee Oe ee ee ee ee Interval Increase interval in 10min steps up to 240 minutes First set the desired values for bottom time and maximum depth Select the respective menu entry and press ENTER Or hold down the ENTER button until the required value is displayed e Bottom Time can be increased in steps of 2 minutes up to a maximum of 59 minutes e Max Depth can be increased in steps of 3 meters up to a maximum of 120 meters Hint If you accidentally exceed the desired value select Exit to leave the simulator menu Selectthe simulator again and set the correct values To start calculation select Calculate Deco and press ENTER 61 Bass ALL A A A A A A A A A A A A A A A A A A A A A A A A a a a a Hint Please wait for completion of the calculation of th
3. Nx50 20m More information including Gaslist Gas3 02 Om Salinity CNS and Average Depth can be found on page 2 toggled with right Gas5 Tx10 70 40m button Exit lt Next Use Gas Setup to configure presets for up to five gas mixes You can switch between these presets while diving whenever you exchange gases The presets are marked like this AIR for compressed air 21 oxygen no helium O2 for Oxygen NX for nitrox and TX for EAD 22m END 22m Type Disabled trimix To inspect and modify a preset go to the Gas Setup menu select the desired preset and press ENTER Setup Mix Change depth Exit lt Next Bahasa aaa Setup Gas Type Each mix can be set to the following type First Thefirst gas which is used whenthe dive starts Only one gas may be marked as first if there is only one active gas it will automatically be first Travel Gases used for descending or at the bottom Bottom Gas Deco Gases used for decompression ass aaa Disabled Gas is disabled and is nottaken into account for the decompression prognosis Disabled gases are shown in blue Hint The first gas is used when starting the dive All gases even disabled ones can be chosen underwater The OSTC3 always computes the tissue Setup Mix load and the decompression scheme using the selected gas and takes all Deco gases in account for the decompression phase The change of Deco ga
4. A A A A A A A A A A A A A A A A A A A A A a a a a TPETTI The menu New Battery will show on Hint the display Select if you have inserted the old battery again a new LS14500 AA Lithium batteries with 1 6 or 1 7V Saft battery or a new 1 5V battery With Voltage can be used as well this information OSTC3 can compute the remaining battery capacity much more precise Important only use good quality AA Batteries e g Lithium Photo or Alkali Mangan Alkaline batteries Simple Zinc carbon Batteries should be avoided Leaking Zinc carbon batteries may permanently damage OSTC3 batterie compartment Spare parts Baba A ee ee eT ee I Spare parts Bungees and Saft LS14500 3 6V batteries are available from heinrichs weikamp or your dealer The USB Interface of OSTC3 is suitable to download dive data from OSTC3 or install new firmware onto OSTC3 Hint Links to all mentioned software resources can be found at http www heinrichs weikamp com Installing the driver When connecting a computer to your OSTC3 for the first time you will need to install a device driver which is available for Windows Mac OS X and Linux In most cases the driver will install 97 The USB interface EEE EEE automatically But due to the different configurations available it may be required to install the driver manually Download the FT232R interface driver http www ftdichip com e Unpack the zip archive to
5. a directory Connect the USB interface of OSTC3 to your computer Windows will automatically recognize OSTC3 as a new device When Windows asks for a driver medium point to the directory containing the unpacked driver software ass d edness snne When done you can see OSTC3 interface in the COM amp LPT ports section of the windows device manager gt USB Serial Port COM x For MAC OS X a Disk Image file dmg is available Pe ee ee Ee ee ee Ee OS ee ee ee EEE The USB Interface The USB cover can be easily removed and re installed with the help of a micro USB connector Make sure to re install the USB interface cover after downloading your dive data Do not apply force when closing the USB cover A Warning A dive without the USB cap especially in seawater may permanently damage OSTC3 internals A Warning If there is some moisture inside the USB bulkhead or battery compartment rinse the bulkhead immediately with freshwater and let it dry completely before using OSTC3 again If there was moisture in the USB bulkhead apply some water dispersant e g WD40 on the contacts to avoid corrosion Check the cause of the flooding 99 BALL A LA A A A A A A A A A A A A A A A A A A A A A A A A a a Data transfer Data transfer with OSTC3 is supported by many software applications for all common platforms The applications provide easy to operate functions for transferring recorded dive data and for configuring an
6. ee ae The USB interface 0000 98 Data transferases 99 Updating the firmware 101 Technical Data 102 Disposals eeenenenenen 102 Functions Overview AA AAA AAA AAA AAA AA AAA AAA AAA AAA AAA AAA AA AAAA AAA d EDD The Open Source Dive Computer OSTC3 Bottom time assists you with the following functions e Duration and depth of planned decostops e Time to desaturation based on diving Display depth and duration Diving depth and duration according ppO2 in CCR diving using the optional to EN 13119 hw HUD e Maximum diving depth Additional information e g average depth stopwatch ppO2 time of day Ambient temperature CNS Ambient pressure Tilt compensated compass up to 80 tilt POPETTEEEPIESTPGELEOVOPOLEDLIOPEOTIPOLEOLDEOLEEGLEVEDECOTLELOGELLTEIEOITELER A Planning Record Set and retrieve gas mixtures and Time duration depth profile setpoints matching the scuba set temperature reference pressure and time to desaturation Calculate a decoplan in the simulator 11 Technical Status PETE ET This manual corresponds to the technical status of OSTC3 and its firmware as of April 2013 OSTC3 its firmware and the documentation are subject to technical changes without notice ass aa OSTC3 firmware integrated software is being continually improved To make the best use of OSTC3 we advise you to use the latest stable f
7. mix Disable the remaining two gases Dive with a Travel Bottom Mix and two decompression mixes Additionallytothe First gas and the two decompression gases configure a fourth gas as Travel Deactivate the unused fifth gas 53 CCR Setup PETE ET CCR Setup When using a closed circuit rebreather you can set the OSTC3 to the corresponding CCR setpoint You can specify setpoints in the CCR Setup Menu gt CCR Mode Fixed SP CCR Sensor Diluent Setup Fixed Setpoints Exit lt Next PETE CCR Mode Fixed SP The OSTC3 will compute the decompression scheme using up to five fixed setpoints Sensor Using the optional hwHUD the digital optical input of the OSTC3 can monitor up to three O2 sensors Sensor readings can be used for the decompression calculations too Hint You can switch between these two CCR modes underwater aba The CCR sensor shows ppO2 readings of each sensor attached to the hwHUD Additionally you can read mV voltages out of each sensor and the hwHUD battery level 55 Diluent Setup Bass AL A A A A A A A A A A A A A A A A A A A A A A A A A A A a a d ddd dddne Diluent Setup Gas6 Air Gas7 Nx32 Gas8 Tx18 40 Gas9 Tx18 60 gt Gas10 Tx10 70 Om Exit lt Next Om Om Om Om Enter gt In the diluent setup the five diluents are named as Gas6 to Gas10 indicating that these diluents are completely independent from the OC gases The starting Dilue
8. reef knot above the circular cavity Tighten knot very strong Cut remaining bungee after about 1cm and use a lighter to gently melt the small remains of nylon 93 Wristband AA AAA AAA AAA AAA AAA AAA AAA AAA AAA AA AA DADA d dD OSTC3 is shipped with bungees The bungees can be detached are hand washable and can be replaced if necessary In order to replace the bungee remove the four screws 2mm Allen key and detach the lower housing plate Align the new bungee in a loop around the USB bulkhead and put the ends through the two holes in the lower housing plate Only use the screws supplied with OSTC3 They are non corrosive and that is very important in that case Replacing the battery A Shy AS he he ch hh he hh Se eh a che a a ea a i he ae Replacing the battery Only open the battery compartment if you want to replace the battery Caution If OSTC3 is without battery and without external power supply it looses the tissue saturation information required for an repetitive dive 1 Connect OSTC3 to an USB power supply or USB port PC 2 Open the battery compartment cap and remove the old battery 3 Insert a new battery of the size AA with the first pointing inside in the battery compartment 4 Check the battery compartment O ring From time to time apply a very small amount of O Ring grease to it 5 Close the battery cap until it is completely inserted in OSTC3 housing 95 Bass A A LA A A A
9. 56 Diluent Setup 56 Fixed Setpoints eeee 58 Baba a a a I Fixed Setpoints eeee 58 Deco Planner uu 60 Simulator usaseassasss 63 Deco Mode uuee 65 Deco Parameter 022 00 66 Alternative GF i 68 NTA 2A E E te 70 Settings Menu ee 70 Time and Date 71 Ce ee eee eee ee PTT TT ee Te Te Display Settings 72 Brightness eneeseseneen 72 Units 73 Sea a eE 74 Language iesiusissc ssnissnseainssiess niss 75 Compass calibration 75 Reset Deco esseererensorssessonenensosseonsneneosee 79 Reset all lessectetiacincceieaa deena 79 AA AAA AAA AAA AAA ADEA AA A AAA AA AAA AAA AEA EEDA dd EDD Dive mode 80 Time in dive mode 91 Menu in Dive Mode 82 TissueS aasesnenenenenennennnnnennnenenennnnnnnn 92 Dive mode menu uu 82 Der nee 83 EAD END uneen 92 Bach 84 Future TTS 93 Set GAS nnnennnennsessssessnnnnsssrssesmnnnnsene 86 Wristband ccca 94 Setpoint change 87 Replacing the battery 95 Bailout 88 Spana Pal essen at Reset AVI ececececssccssessecscesescssssssscsseseees 90 Installing the driver 97 Stopwatch eeeee 90 Average depth ee 90 SAPARD LAER RA AREA ESSERE EERE a ee ee
10. A battery of any type Up to 60 hours of operation 2 years standby Operating Two push buttons elements Cee eee ee eT ee ee Te es Case Dimensions Weight Operating depth Disposal Milled from a single block of alloy Scratch resistant borosilicate glass panel 64 mm x 62 mm x 22 mm 160 gr 120 meters Dispose OSTC3 as electronic waste Do not throw it away with regular rubbish You can also return OSTC3 to heinrichs weikamp for disposal 103 heinrichs weikamp
11. User Manual heinrichs 2 weikamp CE Your OSTC3 ne Bae ee oe a a ee ea ee a ea ke ke Thank you for choosing a heinrichs wei kamp dive computer Using open source software for full transparency combined with state of the art hardware and robust design OSTC3 is your instrument of choice for technical diving We hope you enjoy diving with your new OSTC3 dive computer To become familiar with the functions of OSTC3 and to use it correctly it is rec ommended that you read this manual carefully Pe ee eee eee ee Te eee ee ee Tes For any questions or queries relating to your OSTC3 dive computer please contact your local heinrichs weikamp dealership or we can be contacted di rectly via the following e internet forum www heinrichsweikamp com e e mail info heinrichsweikamp com e mail heinrichs weikamp Adlerstra e 7 79098 Freiburg im Breisgau Germany Contents EEE ET TET ET Your OSTG3 2 22 2 22020222 3 Contents 4 Functions Overview 10 Displayen 10 Plarining anna 11 Recording 11 Technical Status 12 User Settings 13 Special Markings uu essences 14 Terms Of Use annanannnnnennnnnnnnnennnnnnnnn 14 ass aa About this Manual 14 Precautions Plan your GIVE een 17 Before Every Dive 17 Take a backup system with you 20 While Diving eeee Do not modify the hardw
12. al up to three sensors are displayed below the dive settings display if there is no sensor Tx10 70 40m connected Example Mode ZH L16 CC 0 70bar 0 90bar 1 00bar 1 20bar 1 40bar lt Menu Example Mode ZH L16 CC with O2 sensor monitoring 3 1V 100 Air Nx32 Tx18 40 Tx18 60 Tx10 70 lt Menu Example Mode Gauge Example Mode Apnea OSTC3 HW OSTC3 Gauge OSTC3 100 m OSTC3 Apnea Menu Functions in Surface Mode Menu Functions in Surface Mode Logbook Look up recorded data from recent dives You can adjust the settings to prepare the next dive read recorded dive data and adjust the base settings of OSTC3 Press SET MENU in order to access gt Logbook the menu in surface mode The OC Gas Setup display shows the pre menu Menu CCR Setup Press SET MENU again to confirm Deco Planner Deco Mode Settings Exit lt Next AA LA A AL A A A A A A A A A A A A A A A A A A A A A A A A A a a a a OC Gas Setup Settings Set gas mixes matching the scuba set Inspect and modify base settings for OSTC3 functions CCR Setup Inspect and modify closed circuit Exit rebreather settings Quit menu and return to surface screen Deco Planner Simulate dive mode calculate decostops See the following sections for more details Deco Mode Deco model settings and settings ofthe dive mode of the OSTC3 Logbook Logbook Memory The OSTC3 records data during every real dive It can
13. are Keep your OSTC3 out of children s EACH sisescssssstcssiessascheiasscousieaciovestnsenesotocenn 22 Baba a EEPE I Safe Use of OSTC3 22 Environmental Conditions 23 Preparations for first use 24 OSTC3 Modes of Operation 27 Surface MOC eeeesessesessesesseseeseeeeee 28 Dive Mode uaseeeen Sleep Mode cae es eee ee eee a a eh ee a OSTC3 Dive Settings 31 Dive settings with decompression calculation uneeseseeene 32 Dive settings without decompression calculation 33 Display in Surfacemode 35 Surface mode of the OSTC3 35 Desaturation diagram a Gaslist n uueeen nn Setpoints seseseeneeeeen Dive Setting Display 40 EEE TT ET Dive Setting Display 40 Menu Functions in Surface Mode 43 Menu Functions in Surface Mode 43 LOBDOOK anseia 45 MEMO czsc2 ssssecsscnssesscuseopssceesesaterasvasenoaes 45 LOSDOOK s oisssssssessersnsseas atts ntizncgaiountece Displaying details OC Gas Setup OC Gas Setup 48 Setup Gas Type nuneneneeene 50 Setup MIX nn 51 Setting the operation depth ass aa COR SERUPenusesnsese 54 COR Mode neseennseeensennneeener 54 COR Setup nenenenseenrennonsennennenne 54 CER SENSO nn 55 Diluent Setup eeeee 56 Setup Diluent Type 0 eee
14. ation of tissue saturation e GF pair current gradient factor and alternative GF pair e Compass readout e Display of up to three sensor readings using the optional hwHUD Warnings Up to two warnings are shown simultaneously If there are more than two warnings the warning display toggles every two seconds If there are critical warnings a yellow warning sign is displayed additionally e Battery level e ppO2 too high or too low 81 Dive mode menu Bahasa aaa EEED e CNS warning e Gradient factor deco stop violations Warning if the decompression calculations is based on the alternative GF pair e Future TTS xx Display of TTS if staying xx minutes more on the current depth BAAD aaa Menu in Dive mode During dive mode you can choose from different entries depending if you are in OC CC or Gauge mode Gas changes OC Gauge or setpoint change and bailout gases CC Using the O2 sensor readings for decompression calculations Resetting the stopwatch with the stoppable average depth Switching to the alternative GF pair PUTETEOPIEIEEEPSEETVPEPOLEOLELPEOLTSPOOEODELEOLERGLEPEOECOGEELOEEELEENDOITEETERN A Hint During Apnea mode no underwater menu is accessible To enter the menu during dive mode press SET MENU Display shows Menu press ENTER to confirm 83 Gas change BALL A A LA A A A A A A A A A A A A A A A A A A A A A A A A A A A a a a ad Decoplan Choose Decoplan to show ti
15. ations Important For an exact heading the compensation of the compass is absolutely necessary It is recommended to compensate the compass after every battery change or 75 Bahasa dEdE DEDEDE if the compass shows big deviations in the headings reading During the compensation routine the OSTC3 shows X Y and Z Values ass After starting the routine by choosing compass calibration move OSTC3 slowly 360 within about 15 Seconds around each axis Hint e The order of the axis rotation is not important e You can rotate OSTC3 by more then 360 e Keep OSTC3 away from any metallic object during the calibration process at least 50cm distance Reset menu Finalize the calibration mode usingthe Reset Menu left button OSTC3 will then store the calibration values Hint To compensate the compass deviations OSTC3 continuously stores the maximum values for each axis For a Exit quicker compensation align each axis gt Reboot with magnetic north until you see the maximum value for this axis Reset Deco Reset all IE ETET The Reset menu allow resetting options in OSTC3 to its default values clear the decompression and tissue load data or reboot your OSTC3 if necessary To quitthe Reset menu choose Exit BAAD AAA aaa Reboot Reboots the OSTC3 During a firmware update it may be required to reboot your OSTC3 Choose Reboot OSTC and press ENTER You ll be prompted to confirm the action
16. be retrieved from the Logbook 212 25 0m 12 102 0m 12 44 0m 01 49 8m 02 3 6m Page Logbook GE EEE EEE ET EI ET Logbook entries are sorted in chronological order starting with the most recent entry Every entry shows Position index 01 most recent Date month day Maximum dive depth Dive duration hours and minutes OSTC3 stores data of up to 255 dives with a total duration of 500 1000hours The actual number of records depends on the overall size of data If the memory is ass aaa full existing records will be overwritten starting with the oldest Hint If you want to secure your recorded dive data you can connect the OSTC3 to a computer and read the data out Displaying details 2 102 00m 14 41 28 12 11 18 12 To see the details of the dive press ENTER The dive profile and details page shows up The details page also shows position index date maximum diving depth duration minimum ambient temperature ambient pressure above water used as reference for depth measurement desaturation time hours minutes used gases and important dive settings used for this dive 47 OC Gas Setup Bass AL A A A A A A A A A A A A A A A A A A A A A A A A A a a Hint OC Gas Setup To display the actual number of dives instead of the position index you can configure the logbook offset under Settings gt Display Settings gt Logbook Offset Hint gt Gas1 Air Om Gas2
17. d remotely controlling your OSTC3 On our website http www heinrich Starting Done sweikamp com ostc you ll find a list of all OSTC3 supporting programs and Download mode enabled aniplications OSTC3 1 vo 01 Updating the firmware DP oe OS PO ee Ee EP a Oe eS Oe Ee ree re eS ee Hint For programmers we have OSTC3 interface description available Updating the firmware OSTC3 firmware integrated software is in constant process of improvement To make the most of your OSTC3 it is advisable to use the latest stable firmware that is available at the heinrichs weikamp website at http www heinrichsweikamp com ostc A Warning Only install firmware for OSTC3 from trusted sources A detailed manual how to install the OSTC3 firmware is on our webpage http www heinrichs weikamp com ostc Hint We recommend to upgrade the firmware regularly at least ones a year Updates for OSTC3 are free of charge of course 101 Technical Data Bass AL AL A A A A A A A A A A A A A A A A A A A A A A A A A A A a a ddd ddne Prozessor Low power microchip PIC18F87K22 Data storage 4 megabyte Flash Displays High resolution IPS LCD Monitor with ambient light sensor Field of view 160 Resolution 320 x 240 Pixel Status display 2 LEDs Connections USB Digital optical link wet connector system Sensor Intersema MS5541C Temperature resolution 0 1 C 1 C 3D compass fully tilt compensated Power supply A
18. e decompression plan Calculation may take a while depending on the specified bottom time During calculations the green LED is blinking 15m W 13 12m MM 12 When the calculation is done the ZH L16 GF clin pale decoplan is displayed with the WOYIKEY Guma iii decompression plan including duration 3m W237 and depth of the planned decompression stops TTS 339 CNS 0 gt 3 Simulator Baba A A ee ee ee Oe I Depth is displayed in meters duration is displayed in minutes Duration is additionally represented by the width of the respective bar If there are more then eight stops more stops can be shown with the ENTER button Simulating Dive Mode The simulator allows you to simulate the diving mode to become familiar with its functions Simulated dives can be max 90min and are not stored in the logbook and do not affect the tissue loads from real dives Select Start Dive to start the simulator The value specified for Max Depth is adapted as current diving depth 63 PETE ET 250 23 0 0 28 23 0 TOSS SSO SPOS OO OP OS ai Changing diving depth unlike the dive mode the simulator has an additional menu for diving depth where you can set the simulated diving depth Press SET MENU to display the depth menu Use SET MENU to select the desired change in depth then press ENTER to confirm Sim 1m Descend 1m Sim 1m Ascend 1m QUIT Quit dive mode simulation The dive mode simulation will s
19. ent damage of the device e The ZH L16 calculation model is valid only up to a depth of 120 m 23 Preparations for first use BALL LA A A A A A A A A A A A A A A A A A A A A A A A A A A a a aa Beten Decan You receive your new OSTC3 ready for use D tt 6 0 from heinrichs weikamp If the OSTC3 has not been used for a prolonged period of time gt 1 year it may be necessary to replace the battery first 39 0 99 38 12 0 80 0 80 0 81 24 21m 2 Air 41 ee ee ee ee ee ee ee Oe ee ee ee ee ee ee Before diving you need to adjust some settings as described in this manual Familiarize yourself with the OSTC3 It is recommended that you read this manual carefully and entirely Buttons Operate the OSTC3 using the two buttons SET MENU and ENTER on the left and right side respectively The force required to push the buttons is ambient pressure independent Menus The basic principles of operation that are described below apply to most functions of the OSTC3 If necessary the documentation indicates when to use these buttons differently Wet Connector system optional Allows connection of up to three O2 cells using the hwHUD 25 PETE ET To display the menu press SET MENU The display shows the pre menu Menu Press SET MENU again to confirm To select a menu entry press SET MENU repeatedly until the cursor marks the required menu item From the item on the bottom the cursor jumps back to
20. gen and Helium fractions of the current gas mix are displayed on the main display Select O2 or O2 to increase or decrease the oxygen fraction Select He oder He to increase or decrease the helium fraction Press ENTER repeatedly or hold down the ENTER button until the required value is displayed The new value is displayed in the first line next to GAS To apply the new setting select ENTER In order to revert to the preset gas mix select it again from the Gas List 87 Bailout BALL A A LA A A A A A A A A A A A A A A A A A A A A A A A A A a a a SetPoint Choose between the five setpoints that have been configured in CCR Setup For Closed Circuit surface mode When O2 sensors are connected via the hwHUD the sensor readings can be used for the decompression calculations too Choose CCR Sensor to select the sensor readings as the input for the B hlmann algorithm 250 u IP 0 0 Eu 0 99 1 09 0 70 Om 1 20 50m 0 90 20m 1 40 70m 1 00 33m CCR Sensor Bailout Select the current bailout gas mix You can choose between five preset gas For Closed Circuit mixes already configured in OC Gas Setup surface mode Oxygen and helium fraction of the current gas mix are displayed on the main screen 250 1 0020 993271 09 gt Bailout Reset Avr Setpoint Toggle GF Gaslist Exit 89 Stopwatch BALL AL LA A A A A A A A A A A A A A A A A A A A A A A A A A A a a a a Reset Avr Average St
21. hange any value unless you are aware of its meaning Changes here influence the decompression calculations and modify the conservatism of the B hlmann model Combinations as last stop at 6m a low GF_High e g 70 require a matching diveplan e g suitable decompression gases gt Information Set Time amp Date Display Settings Language English Compass calibration Reset Menu Exit lt Next Confgurations menu for basic configurations and resetting of settings Time and Date Information Hint Shows some device specific settings Time and Date can also be synchronized e g serial number number of total with an attached dives and shows information about the currently installed firmware gt Set Time Set Time amp Date Set Date Allows setup oftime and date Date DDMMYY Exit Display Settings abs Date Setthe displayed date format e YYMMDD year month day e DDMMYY day month year e MMDDYY month day year Dass a a aaa Display Settings Setup the display of OSTC3 Brightness Display brightness in OSTC3 is controlled automatically with a ambient light sensor The three settings Eco Medium and High set different max and min values for this control loop In most cases the default Eco is recommended Only if OSTC3 is used often in low depths and bright sunlight a higher setting is recommended A higher setting results in higher current Logbook Offset consumption and s
22. hort battery life Units Display of depth temperature in metric m C or imperial ft F units Logbook offset 349 Bahasa With the logbook offset you can adjust the dive number shown in the logbook to match your actual number of dives In the detail view of the logbook the last dive is not shown as dive no 1 but as no 349 what makes sense if you have made 349 dives in total yet This value will be increased after every real dive automatically and not for simulated dives ass aa Salinity This setting allows you to adjust salinity used for calculating both current and maximum depths The default salinity is 1 00 kg l 0 To increase this value select the Salinity entry and press ENTER repeatedly until the required value is displayed The value range is 0 4 Compass calibration Be ee ee Oe ee ee eee ae Oe a ee ee ee ee ee Hint Decompression information is based upon absolute pressure and not depth in meter Therefore salinity does not effect this calculation Language OSTC3 can be setup in four languages English German French and Italian Choose the desired language with the ENTER button Compass Calibration OSTC3 has a tilt compensated electronic compass Like all other electronic compasses the OSTC3 compass must be calibrated to compensate iron interferences near the compass chip As an example the battery interferes with the Earth s magnetic field and causes compass devi
23. ings with decompression OC Use these dive settings with regular calculation open circuit dive equipment CC Use these dive settings with a closed circuit rebreather The decompression calculation model is gt Dive Mode 0C B hlmann ZH L16 for closed circuit with or without gradient factors This can be Decotype ZH L16 GF changed under Decotype ppO2 Max 1 60bar ppO2 Min 0 19bar Future TTS 5 Deco Parameters Exit lt Next eee ee ee ee ee ee ee ee ee ee ere ee a Dive settings without decompression calculation Gauge Use this dive setting if you do not use the OSTC3 for decompression calculation With this dive setting OSTC3 serves as a depth gauge Additionally displayed and recorded are ambient temperature and elapsed time since starting the dive Decompression and saturation calculation are switched off Apnea Use this setting for apnea diving or snorkeling With this dive setting the OSTC3 serves as a depth gauge Additionally displayed and recorded are ambient temperature and elapsed time since starting the dive Decompression and saturation calculation are switched off With the Apnea setting the OSTC3 remains in dive mode even when diving at low depths You can switch into surface mode at any time by pressing SET MENU Press ENTER to confirm the Quit question 33 AA AAA AAA TETEE AAA AAA A AAA AAA AA AAA AAA DADA AEA TEETE In all other modes the OSTC3 switches automatically into su
24. irmware available on the heinrichs weikamp website http www heinrichsweikamp com When updating the firmware please refer to section USB Interface Updating the Firmware User Settings PEEESEETOLELEOETELEEPTEERVLEREEEEOLESEEEOFELSOELTEELTEELECEDEIESLEDSELSEPLEOPLERTTN Unless noted differently the information in this manual refers to OSTC3 standard settings For important settings the OSTC3 shows an asterisk behind the current setting if the current setting is different from the default setting 13 About this Manual Bass AL A LA A A A A A A A A A A A A A A A A A A A A A A A a DED Special Markings Hint A Warning indicates additional information for advanced OSTC users indicates a situation that carries a significant risk of injury Terms of Use Copyright heinrichs weikamp Caution Copying or reusing this manual or parts of this manual is not allowed without the written permission of indicates a situation that carries a riskof heinrichs weikamp damage to the device Precautions PE P EEEE SPOTE E T EE E E E E E E DEE A Warning For your own Safety follow the safety advice given below The most important factor in diving safely is a competent and well trained diver diving within his or her abilities This dive computer is intended for experienced divers That implies A diving education incorporating decompression diving is mandatory Sufficient knowledge about the laws of physics i
25. me and depth of all decompression stops Planned decompression stops are shown with their depth in meters or feet as well as time in minutes 6 WE Ifthere are no stops in the decoplan me 2 34 is shown x If there are decompression stops 12m 1 6m 1 planned the first stop ceiling is shown 9m 1 3m 2 on the main dive screen permanently Gaslist Choose the currently used gas mix here The gaslist contains the five mixes Available in Open Circuit Gauge previously set in Gas Setup surface mode The fraction of Oxygen and Helium of the currently used gas can be seen inthe maindive screen permanently 5 3 0 o See cai 10 70 40m Exit 85 Bass AL A A A A A A A A A A A A A A A A A A A A A A A A A a a a a a Hint Hint e Gases in red have either too high or For a planned gas change the gas that too low ppO2 to be used inthe current should be used in the current depth is depth They can be selected by the highlightedandcanbefoundquitesimply user anyway Gases in blue are disabled They can be selected by the user anyway A gas will be highlighted in yellow ifthe current depth is 0 3m higher then the configured change depth of this gas Setpoint change Baba a EE OT Ee ee Te Ee Tee I Set Gas Available in Open Circuit Closed Circuit Gauge This setting allows you to select the currently used gas mix You may choose between the presets made in Gas Setup in surface mode Oxy
26. n diving is required Relying on a wrongly configured dive computer might harm health 15 AA AAA AAA AAA AAA AAA AAA A AAA AAA AAA AAA DADA DAA Ed EEE Do not use this dive computer if you are not familiar with or don t understand the settings and displayed information of OSTC3 If necessary you must be able to finish your dive safely without the aid of a dive computer Do not adjust decompression parameters unless your are aware of their meanings Before Every Dive PETE ee Ee ee Ee ee Le Ee eee ee ee eee ee Plan your dive Set up a dive plan independently from OSTC3 and take it with you when diving Make sure that your OSTC3 is ready for use and correctly configured Always confirm the following questions before diving Stable Firmware Use only firmware provided by heinrichs weikamp which is marked as stable It has been tested and allows for a reliable performance of OSTC3 Configured Correctly Check the settings of your OSTC3 If necessary adjust the settings according to your dive plan and equipment 17 Bahasa aaa dae Battery status Check the battery status using the battery indicator on the display To ensure reliable performance throughout your dive the battery level must be sufficiently high A new Saft LS14500 Lithium primary cell allows up to 60hours of diving a quality Alkaline AA battery e g Duracell Ultra Power about 30hours a Lithium 1 5V Battery e g Energize
27. nt First is marked with an asterisk Setup Diluent Type Each diluent can be of one of the following type First The starting diluent which is used in the loop when starting the dive Only one diluent can be marked as First If PLE SLITE LTL ESLLLS TSSL TLEL SVL EELE VEE LELLE LLELE LLLE LLELLE LL LLCC LEEST A you use one diluent only it is marked First automatically Normal Additional diluents which can be chosen underwater Disabled Not taken into account for decompression calculations but can be chosen manually underwater too Disabled diluents are shown in blue Setup of the diluents is the same as for OC Gases 57 Fixed Setpoints Bass A AL A A A A A A A A A A A A A A A A A A A A A A A A A A a a a ddd ddddne Fixed Setpoints gt SP1 0 70bar SP2 SP3 SP4 SP5 Exit lt Next 0 90bar 1 00bar 1 20bar 1 40bar Om 20m 33m 50m 70m Enter gt Here up to five Setpoints can be configured in mode Fixed SP Each setpoint can be between 0 5bar and 1 6bar in O 1bar increments Change depth if more then one setpoint is going to be used can be set independently for each setpoint too Calculations in mode Fixed SP always start with SP1 SP1 is marked additionally with an asterisk Fixed Setpoints SP4 1 20bar 50m gt pO2 Depth Depth Exit Next Enter gt Fixed Setpoints SP4 1 20bar 50m gt p02 Depth Depth
28. o manually power on the computer before each dive In dive mode the display shows current diving depth elapsed time since starting the dive maximum depth since starting the dive the currently selected breathing gas and decompression information 29 PETE ET Hint It is not possible to switch underwater from dive mode to surface mode hence you cannot change the base settings while diving Note that exceptions apply to the Apnea mode Hint The integrated simulator allows you to get acquainted with the functions of the dive mode ISSO SOO SP SOO OP OS OS OPO P OS OC O COCO COST CTT Sleep Mode When the OSTC3 is not operated at the surface it switches into sleep mode after 2 minutes to save battery In sleep mode the display is turned off Ambient pressure is measured at regular intervals After a dive decompression calculation continues in sleep mode OSTC3 Dive Settings Ee a a Oe ee ee ee eee ERLEIDEN OSTC3 Dive Settings You can configure the OSTC3 to match your equipment and how you intend to use it Furthermore you can select a model for decompression calculation To select a dive setting select Divemode gt Deco Mode then choose one of the dive settings described below Hint The displayed information is adapted according to the chosen dive setting In dive mode menu items are adapted as well 31 Bass ALL A A A A A A A A A A A A A A A A A A A A A A A A A a a d ddd ddne Dive sett
29. opwatch Restarts the stopwatch and resets the The stopwatch counts seconds and average depth ofthe stopwatch minutes The value right ofthe stopwatch is the average depth since starting the stopwatch The stopwatch is resetted via Menu gt ResetAvr Average depth Total average depth of the dive Total Avr and the stoppable average depth interval of the stopwatch Stopped Avr Time in dive mode Clock Actual time ofthe day 54o 54 1 2 28 2 1 25 28 2 1 91 EAD END PETE Tissues Shows the tissue load of the N2 and He Tissues ofthe B hlmann model Reset Avr Toggle GF FOSS SS Oe eS SPO OPPS ai The diagram visualizes the approximate saturation values during the dive The lines in the upper section represent nitrogen saturation the lines in the lower section show the helium saturation ofthe 16 tissues according to the B hlmann model EAD END Equivalent Air Depth as wellas Equivalent Narcotic Depth is shown Future TTS PE ee ee TE LS ee Te Oe OTe ee ee Te ee FutureTTS xx TTS time for ascent after additional xx minutes on the current depth Housing Use freshwater to rinse OSTC3 after every dive particularly after diving in seawater If necessary dissolve dirt by immersing OSTC3 into freshwater for some hours Do not use any cleaning agents or solvents Wristband The bungee wristband can be set to your arm diameter individually To tighten the bungee make a
30. r E2 about 40hours BAAD aa Device waterproof Ensure that both the USB connector cap and the battery compartment are properly closed and watertight Check the housing for cracks or damages which might allow water to intrude PETESEEEOLEELEOLLEETEPTOEOLERPEEEOLESEEEOFELSOELTEELSEECEDEIESLEDSELSEPLEOPLERTTN Safely attached Make sure OSTC3 can be fastened safely using either the bungee or a suitable alternative Display messages Check the display of OSTC3 for warnings or other signals Do not dive ifthe OSTC3 displays a warning e g the warning symbol Check the cause for the warning 19 While Diving Bass Take a backup system with you While diving always carry a backup system to measure duration and diving depth independently from OSTC3 ars Take the OSTC3 with you on every repeat dive don t lend it to anyone A correct calculation of tissue saturation requires that OSTC3 e is configured correctly e is used on every dive e is only used to record data during your own dives and not shared with other divers PE ee ee Ee ee ee ee ee eee ee ee eee ee Take a sufficiently long surface break be fore diving again The OSTC3 does not explicitly indicate how long to wait before the next dive Please adhere to the guidelines you were taught during your diver s training Caution Saturation data is lost when updating the OSTC3 firmware or in the unlikely event of a failure In these case
31. ram is also available in the dive mode 37 PETE ET Gaslist When using an open circuit dive setting the list of available gas mixes can be displayed on the surface screen Tx10 70 40m aha ai Press ENTER to switch between gas list and further informations The gas used as the first gas in the dive is additionally marked with an asterisk Air means compressed air 21 oxygen no helium O2 is 100 Oxygen For any other gas mix the respective percentages of oxygen and helium fractions are displayed Ifthe sum of oxygen and helium fractions is less than 21 the gas list shows ERR indicating an unusual gas mix PE Pe ee Ee ee Pe ee eee ee 0 70bar 0 90bar 1 00bar 1 20bar 1 40bar When using a closed circuit dive setting the list of available setpoints can be displayed on the main surface screen Press ENTER to switch between setpoints list and further informations The setpoints list shows the oxygen partial pressure for the five available setpoints SP The list of Diluents can be displayed using the ENTER button The first Diluent also has an asterisk 39 Dive Setting Display Bass AL A LA LA A A A A A A A A A A A A A A A A A A A A A A A a a a TEPPET Dive Setting Display In surface mode the dive setting is displayed like this Example Mode ZH L16 OC OC Open Circuit CC Closed Circuit Gauge Gauge mode Apnea Apnea mode When using O2 monitoring with the hwHUD option
32. rface mode after a pre defined delay if the OSTC3 is above a pre defined depth This happens in Apnea too but the delay is about 15 minutes in contrast to 4 mintues for all other modes Surface mode of the OSTC3 Baba A ee ee ee ee ee a Display in Surfacemode 1 OSIC3 100 Air Om Nx32 1 00 0 99 1 09 983 23 Tx18 40 Tx18 60 Tx10 70 Om e Ambient pressure e Clock Date e Temperature e Battery level Custom View Desaturation diagram gas list OC setpoints CC Surface intervall Desaturation in Custom text up to 60 characters Compass Display toogled with right button Dive setting OC CC CF Gauge or Apnea 35 Bars AL AL A A A A A A A A A A A A A A A A A A A A A A A A a a a aa Desaturation diagram When using a dive setting with decompression calculation a desaturation diagram is available Press ENTER to switch between desaturation diagram and gas list OC or setpoints CC After a dive you can see the approximate tissue saturation in the desaturation diagram The lines in the upper section represent nitrogen saturation the lines in the lower section helium saturation of the 16 types of tissue according to the B hlmann model SHELA GLAAD HRSA oa ke el A The first scale division marks a saturation of 80 Each following division corresponds approximately to the decrease over the half life for the respective type of tissue Hint The same desaturation diag
33. s do not dive any further until tissue saturation has returned to normal 21 Safe Use of OSTC3 EEE Do not modify the hardware Modifications to the hardware of OSTC3 can negatively impact its reliability and the leak tightness of its housing Only the caps of the battery compartment the USB connector and the housing backplate holding the bungees can be removed There is no other way to open the housing without damaging the device It is imperative that the o rings on the USB cap are kept clean and free of hair grit dirt lint etc Open the battery compartment only when the battery has to be replaced ass a Keep your OSTC3 out of children s reach Small parts such as the USB connector cap may represent a choking hazard and configuration may be inadvertently altered without the divers knowledge Environmental Conditions eee ee Ee ee ee Ee ee ee ee ee ee EEE Store the OSTC3 in a cool dry place Permissible temperature range for use and storage 5 C to 40 C Make sure the used battery is suitable for the ambient temperature to be expected in your dives For cold water diving lt 10 C we recommend the use of a Lithium battery Ee eT ET eee A Pe Te TTT eT Tee eS Decompression calculations and depth display are always based on the actual surface pressure eg high altitude diving Maximum water depth 120 m Caution e Surpassing the maximum water depth may cause malfunctioning or perman
34. ses with properly configured change depth will be advised underwater the change depth of Travel gases is only a reminder for the diver it is relevant for the logbook and not for decompression calculations 22m END 22m EEE ETET Specify the composition of a gas mix by setting the percentage of the oxygen and helium fraction respectively Choose 02 02 to setup the percentage of the oxygen and He He for helium Repeatedly press ENTER or hold down the ENTER button until the required value is displayed For reference the OSTC3 displays the calculated Maximum Operating Depth MOD and the Equivalent Narcosis Depth END BAAD aaa Setting the operation depth To set the operation depth for a preset gas mix select Change Depth then select Depth or Depth The current operation depth is shown in the first line of the display It will turn red if the change depth is larger then the maximum operating depth MOD ee ee ee ee eee ee ee ee ee ee Oe ee a Examples Dive with only one Gas Configure one gas e g Gas 1 as First and setup the mix using the Setup Mix submenu Disable the other four gases Type Disabled Dive with one additional decompression gas Setup the First gas Enable one other gas as Deco and setup your decompression gas mix Disable the remaining gases Dive with two decompression gases Setup another gas to Deco and configure the second deco
35. the top with the next press In some menus you will find a More entry Select this entry to access the next menu page with more menu items ass a To change the setting of a menu item press ENTER repeatedly until the required value is displayed You can also hold down the ENTER button in order to change a value Hint The pre menu Menu avoids that the menu is displayed by mistake Confirm the pre menu by pressing SET MENU again within 5 seconds otherwise the OSTC3 will return to the normal display OSTC3 Modes of Operation EELESEEEOLELEOLTEEETEPTOEOTEREEPEALTELEEOFLELOLEEELEPLECEDEIESLEDSELSEPLEOPLERTTN OSTC3 has three modes of operation and switches automatically between them 27 aA AL AL A A A A A A A A A A A A A A A A A A A A A A A A a a a Surface Mode When in surface mode the display shows general information current To wake up the OSTC3 time date temperature ambient press SET MENU or ENTER pressure and battery status After a dive the display also shows tissue saturation and remaining time in the no fly period In surface mode you can adjust the settings in preparation for the next dive read recorded dive data and adjust the base settings of the OSTC3 Nx50 20m 02 Om Tx10 70 40m Pee Pe ee ee Pee Pee Pe ee eee Dive Mode The OSTC3 automatically switches into dive mode when it is at least 1 6 m below the surface for five seconds Hinweis For a pre dive check we recommend t
36. top after a short delay Deco Mode Hint Deco Mode Both in dive mode and during a simulation the OSTC3 cannot switch to sleep mode Remember to quit the dive mode simulation when you re done otherwise you might exhaust the battery capacity Dive Mode 0C All other available functions are similar Decotype ZH L16 GF to the ones in dive mode and are ppO2 Max 1 60bar described there ppO2 Min 0O 19bar Future TTS 5 Deco Parameters Exit lt Next Deco Parameter Bahasa EEED You can configure OSTC3 to match your equipment and how you intend to use it Furthermore you can select a model for decompression calculations Dive mode Select the required dive setting and the type of decompression calculation OC Open Circuit CC Closed Circuit Gauge Gauge mode Apnea Apnea mode Decotype Toggles between decompression calculation using the B hlmann ZH L16 algorithm with ass aaa ZH 16 GF or without ZH L16 gradient factors PpO2 Max Setting for maximum ppO2 1 20 1 60bar This value is used for warnings and computing of EAD END in gas setup PpO2 Min Lower threshold for ppO2 warnings Can be set between 0 16bar and 0 21bar Used for warnings in divemode Future TTS Can be set between zero Disabled and 10 minutes Future TTS shows the TTS if staying at the current depth for another xx minutes during divemode The sub menu Deco Parameters contains settings for gradient factors GF_lo
37. w and GF_high when using decompression Deco Parameters calculations GF as well as the saturation and desaturation multipliers in percentage when using the standard B hlmann model gt GF low 40 GF high 85 Alternative GF GF low Lower value of the GF pair in percent 10 100 default 40 Saturation 110 GF high Upper value of the GF pair in Desaturation 90 percent 70 110 default 85 Last Deco 3m Saturation multiplier for saturation Exit processes in the standard B hlmann lt Next gt model 100 140 Default 110 67 BALL A LA LA A A A A A A A A A A A A A A A A A A A A A A a a ddd dddne Desaturation multiplierfordesaturation Alternative GF processes in the standard B hlmann model 60 100 Default 90 gt aGF Selectable Yes aGF low 60 aGF high 85 Exit Baba a a a I Setting for an alternative GF pair which can be switched to underwater aGF Selectable Yes The GF pair can be toggled underwater No The GF pair can not be toggled underwater aGF low alternative value for GF_low in percent 60 100 default 60 aGF high alternative value for GF_high in percent 80 120 default 85 Last Deco Setting for depth of last decompression stop Choose here if the OSTC3 should compute its last stop at 3 4 5 or 6m depth Default 3m 69 Settings Menu PETE ET Aarau ai A Warning Settings Be careful when changing parameters in the Deco Parameters menu Do not c
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