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heinrichs weikamp OSTC3, Owner'S Manual, Page: 82 / 88

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heinrichs weikamp OSTC3 Owner'S Manual Download Page 82

82

USB connection

You  can  connect  your  OSTC3  easily 

via  USB  to  your  personal  computer  or 

notebook.  So  you  can  upload  software 

and readout your logbook. 

The  USB  cover  can  easily  removed  and 

closed  with  the  help  of  a  micro-USB 

connector. Make sure the USB connector 

is  closed  after  downloading  your  dive 

data. Don’t apply force when closing the 

USB cover.

The OSTC3 doesn’t load up batteries via 

USB. 

 

!

Warning

Diving without the USB cap can damage 

the OSTC3.

If  there  is  moisture  in  the  USB 

compartment,  apply  some  water 

dispersant (e.g. WD40) to avoid corrosion.

Readout the dive computer

Summary of Contents for OSTC3

Page 1: ...Owner s manual Open Source Tauch Computer...

Page 2: ...ing you can use up to five gases in the rebreather mode you can choose between fixed setpoints or the monitoring with an external sensor You can fit the deco models to your own needs They also use the...

Page 3: ...its functions and to use it in the best way we recommend you to read this manual carefully Contact For any questions relating to your OSTC3 please contact us via internet forum forum heinrichsweikamp...

Page 4: ...ery dive 11 While diving 14 Safe use of the OSTC3 16 Environmental conditions 17 Before first use 18 Handling 19 Modes of operation 21 Modes of diving 24 Compass calibration 2 Surface Mode 29 Display...

Page 5: ...Gaslist 76 Setpoint change 76 Bailout 77 Reset Avr 77 Maintenance 79 Housing 79 Bungee 80 Replacing the battery 81 Spare parts 83 Readout the dive computer 84 USB connection 84 Software for the OSTC3...

Page 6: ...pment To make the best use of OSTC3 we advise you to use the latest stable firmware available on the heinrichs weikamp website www heinrichsweikamp com How to update the firmware please read page 88 S...

Page 7: ...jury Caution indicates a situation that carries a risk of damage to the device Note indicates additional information for advanced OSTC3 user Terms of use Copyright heinrichs weikamp Copying or reusing...

Page 8: ...ion and depth of planned decostops time to desaturation based on diving depth and duration Oxygen surveillance in CCR diving using the optional hw HUD or the ppO2 monitor Additional informations e g t...

Page 9: ...9 Record Time duration depth profile temperature reference pressure and time of desaturation...

Page 10: ...diving Sufficient knowledge about the laws of physics in diving is required It may harm your health if you rely on a wrong configured dive computer Do not use this dive computer if you don t know or u...

Page 11: ...se and correctly configured Always confirm the following questions before diving Stable firmware Use only stable firmware provided by heinrichs weikamp It has been tested and allows a proper and relia...

Page 12: ...ing a quality alkaline AA battery e g Duracell Ultra Power about 20 hours a lithium 1 5V AA battery e g Energizer E2 about 30 hours Device waterproof Ensure that the battery compartment and the USB in...

Page 13: ...13 Display messages Check the signals of OSTC3 Do not dive if your dive computer displays a warning Check the cause of the warning...

Page 14: ...ion and depth of your dive independently from OSTC3 Take the OTSC sport with you on every repeat dive don t lend it to anyone A correct calculation of tissue saturation requires that your OSTC3 is con...

Page 15: ...g to wait before the next dive Please follow the guidelines you were taught during your dive training Caution Saturation data is lost when updating the OSTC3 firmware or in the unlikely event of a fai...

Page 16: ...battery compartment and the USB interface can be removed There is no other way to open the housing without damaging the device Only open the battery compartment when the battery has to be replaced Kee...

Page 17: ...s suitable for the ambient temperature to be expected in your dives For cold water diving under 10 C we recommend the use of a Lithium battery Note Decompression calculations and depth display are alw...

Page 18: ...0 If the OSTC3 has not been used for a long time more than one year it may be necessary to replace the battery first Before diving you need to adjust some settings as described in this manual Familiar...

Page 19: ...buttons is independent to ambient pressure You can push and hold the button in order to change a data You always have to push only one button Push the left button SET MENU to enter the menu To select...

Page 20: ...ms To change the setting of a menu item push ENTER repeatedly until the required value is displayed You can also hold down the ENTER button in order to change a value Wet connector system optional Con...

Page 21: ...STC3 push one of the buttons SET MENU or ENTER In surface mode the display shows general information as time date temperature ambient pressure and battery status After a dive the display also shows ti...

Page 22: ...computer manually before every dive In dive mode the display shows current diving depth dive time maximum depth the currently selected gas in CCR diving the setpoint or the values of the sensors deco...

Page 23: ...before your first dive look for page 51 Sleep mode When the OSTC3 isn t operated at the surface it switches into sleep mode after two minutes to save battery In sleep mode the display is turned off Am...

Page 24: ...OSTC3 CC closed circuit Use this dive setting with a closed circuit rebreather The decompression calculation model is B hlmann ZH L16 without or B hlmann ZH L16 GF with gradient factors read more on...

Page 25: ...t low depths Youcanswitchintosurfacemode at any time by pushing SET MENU Push ENTER to confirm the QUIT question The OSTC3 switches automatically from apnea mode into surface mode after a 15 minutes d...

Page 26: ...Gauge Withthisdivesetting OSTC3serves as a depth gauge Decompression and saturation calculation are switched off...

Page 27: ...s calibration OSTC3 has a tilt compensated electronic compass Like all other electronic compasses it must be calibrated before use The calibration compensates aberration that can be caused by the batt...

Page 28: ...s big deviations in the heading reading During the calibration routine the OSTC3 shows X Y and Z axis After starting the calibration menu move the dive computer slowly around each axis Do this a numbe...

Page 29: ...e following items permanently ambient pressure clock date temperature battery level dive mode Open circuit OC Clodes Circuit CC Gauge or Apnea sensor data CCR diving after the dive No fly time desatur...

Page 30: ...tpoints CC current settings deco type gradient or saturation factors time of future TTS last deco salinity desaturation diagram After the dive you can see the approximate tissue saturation in the desa...

Page 31: ...ce mode push SET MENU With the left button you can scroll through the menu To select an item push ENTER Logbook Recorded data from recent dives OC Gas setup Set up your gas mix for scubadiving or your...

Page 32: ...ettings for deco calculation and dive modes open circuit closed circuit gauge or apnea of the OSTC3 Settings Settings for time language display brightness compass Exit Exit the main menu Note These fu...

Page 33: ...e retrieved from the logbook The OSTC3 stores data of up to 255 dives with a total duration of 500 to 1000 hours The exact number of records depends on the overall size of data If the memory is full e...

Page 34: ...entry shows position index date maximal depth and dive time To see details of the selected dive press ENTER The dive profile and details page shows up The details page also shows position index date m...

Page 35: ...35 Note Via Settings Display Settings Logbook Offset you can put in your own number of dives It will be shown instead of the numbers of dives which are stored in the dive computer page 64...

Page 36: ...u can switch between these presets when you change your gases while diving The presets are marked like this Air for compressed air 21 oxygen and Nx for Nitrox e g a mix of Nitrox 31 is shown as Nx31 1...

Page 37: ...set to the following type First The first gas which is used when the dive starts Only one gas can be marked as first If there is only one gas active it will be automatically first gas In the view the...

Page 38: ...e letters Note The first gas is used when starting the dive All gases even disabled ones can be chosen underwater The OSTC3 always computes the tissue load and the decompression scheme using the selec...

Page 39: ...ce the OSTC3 displays the calculated maximum operating depth MOD and equivalent narcotic depth END for your mix Change depth To set the operation depth for your deco gases select Depth or Depth The ch...

Page 40: ...ompression gas Setup the first gas Enable one other gas as deco and setup your gas mix Disable the remaining gases Dive with two decompression gases Setup another gas to deco and configure the second...

Page 41: ...41 Note In surface mode the actual gas list is shown via the custom view right button also in dive mode To change the gas while diving open the menu left button SET MENU and go to gaslist...

Page 42: ...CCR Setup In CCR Setup you can configure all settings you need for diving with a closed circuit rebreather For calculation you can use fixed setpoint or sensor readings...

Page 43: ...ion using up to five fixed setpoints Sensor Using the optional hwHUD or the ppO2 Monitor the OSTC3 can monitor up to three O2 sensors Sensor readings are also used for decompression calculations You c...

Page 44: ...voltages out of each sensor and see the battery level In case of a sensor blackout you can activatethefallback Fallback Yes When you have a sensor blackout while diving there is a fallback warning an...

Page 45: ...used in the loop when starting the dive Only one diluent can be marked as first If you use only one diluent it is marked automatically as first Normal Additional diluents which can be chosen underwate...

Page 46: ...for the decompression calculation Each setpoint can be set between 0 5 bar and 1 6 bar in 0 1 bar increments You can also configure the change depth for each setpoint But in dive mode OSTC3 will not...

Page 47: ...47 Note You can configure the bailout gases in the OC Gas Setup The gases you configure for scubadiving can be used as bailout when you have to change from closed to open circuit...

Page 48: ...ulator Use the simulator to simulate the dive mode of the OSTC3 or to calculate the decoplan for your next dive Using the simulator you can get familiar with your dive computer even before the first d...

Page 49: ...Select the menu entry and push ENTER or hold down the ENTER button until the required value is displayed To start calculation select calculate deco and push ENTER Wait while the calculation is going...

Page 50: ...NTER button Interval Increase interval in 10 minutes steps up to 240 minutes Bottom time Can be increased in steps of 2 minutes up to a maximum of 59 minutes Maximum depth Can be increased in steps of...

Page 51: ...rt simulator to start the simulation of the dive mode Change diving depth In the simulator you can also change the depth while the dive computer is in dive mode Push repeatedly SET MENU to get into th...

Page 52: ...Note The OSTC3 stays 90 minutes in the simulation mode until it switches to sleep mode Stop the dive mode manually not to waste battery...

Page 53: ...important settings for the decompression calculation Dive mode There are several dive modes for scubadiving CR closed rebreather diving CCR gauge mode or apnea diving Decotype Toggles between decompr...

Page 54: ...ZH L16 GF with gradient factors calculates with deeper decostops and a much bigger safety margin to the M value So you have less micro bubbles in your tissues The GF low controls the allowed saturatio...

Page 55: ...be switched on or off After a dive within the no deco limit NDL the OSTC3 shows a safty stop of 3 minutes in 5 meter It is displayed as a countdown split to the second Future TTS The future TTS makes...

Page 56: ...using decompression calculation ZH L16 GF low Lower value of the Gf pair in percent 10 to 100 default 30 GF high Upper value of the Gf pair in percent 70 to 110 default 85 Saturation Multiplier for s...

Page 57: ...r cannot be toggled aGF low alternative value for the GF low in percent 60 to 100 default 60 aGF high alternative value for the GF high in percent 80 to 120 default 85 Last deco Setting for depth of l...

Page 58: ...s The pre settings of the deco parameters are established and proven Changes have direct influence on the decompression calculation and modify the conservatism of the B hlmann model Combinations for e...

Page 59: ...menu you can set up basic configurations calibrate your compass and reset settings Information Shows some device specific information as serial number number of total dives kind of battery and the ac...

Page 60: ...e with set date you can set the date of the internal clock of the OSTC3 You can set up time and date with the ENTER button Note You can also set up time and date with your personal computer Choose a d...

Page 61: ...for this controlloop InmostcasesthedefaultEco is recommended Only if OSTC3 is used often in low depths and bright sunlight a higher setting is recommended Colour scheme Choose the colour of display in...

Page 62: ...alibration In this menu you can calibrate your digital compass How to do exactly look for page 27 Logbook Offset With the logbook offset you can adjust the dive number shown in the logbook to match yo...

Page 63: ...just salinity of water used for calculating the actual and maximum depth The default salinity is 0 To increase this value select the salinity menu and press ENTER repeatedly until the required value i...

Page 64: ...Reboot During a firmware update it may be required to reboot the OSTC3 Choose reboot and push ENTER You ll be prompted to confirm the action A reboot also deletes the current decompression data Reset...

Page 65: ...o factory defaults You ll be prompted to confirm the action Dives in the logbook and the dive counter will not be reset Caution Reset all really resets all settings in the OSTC3 to their factory defau...

Page 66: ...our personal number of dives to be shown in the logbook you have to set up again the number via logbook offset page 62 Reset battery When replacing the battery you have to choose the battery type If y...

Page 67: ...67 Dive mode...

Page 68: ...e in minutes and seconds NDL No Deco Limit or TTS Time To Surface including all decostops in minutes actual used gas in CCR mode the actual setpoint or the average value of the sensor data water tempe...

Page 69: ...ssary there will be displayed If there are decostops the next decostop is permanently shown on the main display time MOD END and graphical indication of tissue saturation current gradient factors or s...

Page 70: ...warnings a yellow warning sign is displayed additionally Warnings are shown for the following items low battery level ppO2 too high or too low CNS warning danger of oxygen poisoning too high gradient...

Page 71: ...71...

Page 72: ...ch to decompression calculation via O2 sensors You can also use the alternative GF pair for decompression calculation To open the menu push the left button SET MENU On the display appears Menu Push EN...

Page 73: ...this up while diving Go to gaslist and then to more This new gas gas 6 will be used as current gas in the decompression calculation Note Gases in red have too high ppO2 to be used in the current depth...

Page 74: ...computer proposes you the fitting gas e g Nx62 So you see at once which gas you shall use Just confirm with ENTER...

Page 75: ...ected via the hwHUD or the ppO2 monitor the sensor readings can be used for the decompression calculation too Choose CCR sensor for this Bailout If you have to switch from closed circuit diving to ope...

Page 76: ...tal avr indicates the average depth since the start of the dive Stopped avr indicates the average depth for a period of time that you choose The stopwatch starts with the beginning of the dive While d...

Page 77: ...r If the housing is very dirty put your OSTC3 over night in fresh water Don t use any cleaning agents or solvents Warning If there is some sea water in the battery compartment or in the USB port rinse...

Page 78: ...fter about 1cm and use a lighter to melt the small remains of nylon The bungees are hand washable and can be replaced if necessary In order to replace the bungee remove the four screws 2mm Allen key a...

Page 79: ...ry between two dives without losing any important information After a replacement of battery please check time and date Open the battery compartment and remove the old battery Insert a new battery of...

Page 80: ...aining battery capacity Note If you put in wrong value you can change it in the menu reset under reset battery Important Only use good quality AA Batteries e g Lithium Photo or Alkali Mangan Alkaline...

Page 81: ...81 Spare parts Bungees batteries Saft LS14500 3 6V and caps for the battery compartment are available in the online shop of heinrichs weikamp or at your dealer...

Page 82: ...losed with the help of a micro USB connector Make sure the USB connector is closed after downloading your dive data Don t apply force when closing the USB cover The OSTC3 doesn t load up batteries via...

Page 83: ...ace driver www ftdichip com Unpack the zip archive to a directory Connect the USB interface of OSTC3 with your computer It will be recognized as new device When Windows asks for a driver medium point...

Page 84: ...lications provide easy to operate functions for transferring recorded dive data and for configuring and remotely controlling your OSTC3 On our website you ll find a list of all OSTC3 supporting progra...

Page 85: ...ailableattheheinrichsweikamp website www heinrichsweikamp com ostc Warning Only install firmware for the OSTC3 from trusted sources Note We recommend you to upgrade the firmware regularly at least one...

Page 86: ...D and ppO2 Monitor Sensor Combined depth temperature sensor 3D compass fully tilt compensated Power supply AA battery of any type Up to 50 hours of operation 1 year standby Operating elements Two push...

Page 87: ...be recycled or disposed apart from each other Otherwise contaminative and hazardous substances can pollute our environment You as the consumer are committed by law to dispose electrical and electroni...

Page 88: ......

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