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heinrichs weikamp OSTC3 User Manual

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  • Page 1 User Manual...

  • Page 3: Your Ostc3

    • e-mail: new OSTC3 dive computer. info@heinrichsweikamp.com To become familiar with the functions • mail: of OSTC3 and to use it correctly, it is rec- heinrichs weikamp ommended that you read this manual Adlerstraße 7 carefully. 79098 Freiburg im Breisgau...

  • Page 4: Table Of Contents

    Planning ..........11 Take a backup system with you..20 Record ............11 While Diving ..........20 Technical Status ........12 Do not modify the hardware...22 Keep your OSTC3 out of children’s User Settings ..........13 reach............22 Special Markings .........14 Terms of Use .........14...
  • Page 5 Safe Use of OSTC3 ........22 OSTC3 Dive Settings.........31 Dive settings with decompression Environmental Conditions ....23 calculation ..........32 Dive settings without Preparations for first use .......24 decompression calculation ....33 Display in Surfacemode: ....35 OSTC3 Modes of Operation ....27 Surface Mode ........28 Surface mode of the OSTC3....35...
  • Page 6 Dive Setting Display ........40 Examples: ..........52 Menu Functions in Surface Mode .43 CCR Setup ..........54 CCR Mode: ..........54 Menu Functions in Surface Mode ..43 Logbook ..........45 CCR Setup ............54 Memory ..........45 CCR Sensor:..........55 Diluent Setup: ........56 Logbook ............45 Setup Diluent Type: ......56 Displaying details ........47 OC Gas Setup ........48 Diluent Setup ..........56...
  • Page 7 Fixed Setpoints ..........58 Display Settings ........72 Brightness: ..........72 Deco Planner ..........60 Units: ............73 Salinity: ...........74 Simulator .............63 Language ..........75 Deco Mode ..........65 Compass calibration ........75 Deco Parameter .........66 Reset menu ..........77 Alternative GF: ........68 Reboot: ............78 Settings ...........70 Reset Deco: ..........79 Settings Menu ...........70 Reset all: ..........79 Time and Date..........71...
  • Page 8 Dive mode ...........80 Time in dive mode ........91 Menu in Dive mode ......82 Tissues ............92 Dive mode menu........82 EAD/END............92 Decoplan ..........83 Future TTS ............93 Gas change ..........84 Set Gas ............86 Wristband ............94 Setpoint change ........87 Replacing the battery ......95 Spare parts ..........97 Bailout ............88 Reset Avr ..........90 Installing the driver .........97...
  • Page 9 The USB interface ........98 Data transfer .........99 Updating the firmware ......101 Technical Data: ........102 Disposal: ........... 102...

  • Page 10: Functions Overview

    Functions Overview The Open Source Dive Computer OSTC3 • Bottom time assists you with the following functions: • Duration depth planned decostops • Time to desaturation based on diving Display depth and duration • Diving depth and duration according • ppO2 in CCR diving (using the optional...

  • Page 11: Planning

    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...

  • Page 12: Technical Status

    OSTC3 firmware (integrated software) is status of OSTC3 and its firmware as of being continually improved. To make the April, 2013. best use of OSTC3, we advise you to use the latest stable firmware available on OSTC3, firmware the heinrichs weikamp website: documentation are subject to technical changes without notice.

  • Page 13: User Settings

    User Settings 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.

  • Page 14: Special Markings

    ! Warning advanced OSTC users. indicates a situation that carries a Terms of Use significant risk of injury. Copyright © heinrichs weikamp Copying or reusing this manual, or Caution parts of this manual, is not allowed without the written permission of...

  • Page 15: Precautions

    Precautions ! Warning The most important factor in diving safely is a competent and well trained For your own safety, follow the safety diver, diving within his or her abilities. advice given below. This dive computer is intended for experienced divers. That implies: diving education incorporating...
  • Page 16 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.

  • Page 17: Plan Your Dive

    Stable Firmware? Set up a dive plan independently from Use only firmware provided by heinrichs OSTC3, and take it with you when diving. weikamp which is marked as “stable”. It has been tested and allows for a reliable Make sure that your OSTC3 is ready for performance of OSTC3 use and correctly configured.
  • Page 18 Battery status? Device waterproof? Check the battery status using the Ensure that both the USB connector battery indicator on the display. To cap and the battery compartment are ensure reliable performance throughout properly closed and watertight. Check your dive, the battery level must be the housing for cracks or damages which sufficiently high.
  • Page 19 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 if the OSTC3 displays a warning, e.g. the warning symbol. Check the cause for the warning.

  • Page 20: Take A Backup System With You

    While Diving Take a backup system with you. Take the OSTC3 with you on every repeat dive – don’t lend it to anyone. While diving, always carry a backup system to measure duration and diving A correct calculation of tissue saturation...
  • Page 21 Saturation data is lost when updating The OSTC3 does not explicitly indicate the OSTC3 firmware or in the unlikely how long to wait before the next dive. event of a failure. In these cases, do not Please adhere to the guidelines you were dive any further until tissue saturation taught during your diver’s training.

  • Page 22: Do Not Modify The Hardware

    Safe Use of OSTC3 Do not modify the hardware. Keep your OSTC3 out of children’s reach. Modifications to the hardware of OSTC3 Small parts such as the USB connector can negatively impact its reliability and cap may represent a choking hazard the leak tightness of its housing.

  • Page 23: Environmental Conditions

    Environmental Conditions Store the OSTC3 in a cool, dry place. Decompression calculations and depth display are always based on the actual Permissible temperature range for use surface pressure (e.g. high-altitude and storage: -5 °C to 40 °C diving). Make sure the used battery is suitable...

  • Page 24: Preparations For First Use

    Preparations for first use - Das verwendete Rechenmodell ZH-L16 You receive your new OSTC3 ready for use ist nur bis Tiefen von ca. 120 m ausgelegt. from heinrichs weikamp. If the OSTC3 has not been used for a prolonged period of time (>1 year), it may be necessary to...
  • Page 25 Before diving, you need to adjust some Menus settings as described in this manual. The basic principles of operation that are Familiarize yourself with the OSTC3. It is described below apply to most functions recommended that you read this manual of the OSTC3.
  • Page 26 In some menus, you will find a More menu is displayed by mistake. Confirm entry. Select this entry to access the next the pre-menu by pressing SET/MENU menu page with more menu items. again within 5 seconds, otherwise the OSTC3 will return to the normal display.

  • Page 27: Ostc3 Modes Of Operation

    OSTC3 Modes of Operation OSTC3 has three modes of operation and switches automatically between them:...

  • Page 28: Surface Mode

    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...

  • Page 29: Dive Mode

    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 to manually power-on the computer before each dive. In dive mode, the display shows current...

  • Page 30: Sleep Mode

    Hint Sleep Mode It is not possible to switch underwater When the OSTC3 is not operated at the from dive mode to surface mode; hence surface, it switches into sleep mode after you cannot change the base settings 2 minutes to save battery.

  • Page 31: Ostc3 Dive Settings

    OSTC3 Dive Settings Hint OSTC3 Dive Settings You can configure the OSTC3 to match The displayed information is adapted your equipment and how you intend according to the chosen dive setting. In to use it. Furthermore, you can select a dive mode, menu items are adapted as model for decompression calculation.

  • Page 32: Dive Settings With Decompression Calculation

    Dive settings with decompression OC: Use these dive settings with regular (open circuit) dive equipment. calculation CC: Use these dive settings with a closed circuit rebreather. The decompression calculation model is Bühlmann ZH-L16 for closed circuit with or without gradient factors.. This can be changed under Decotype.

  • Page 33: Dive Settings Without Decompression Calculation

    Dive settings without Apnea: Use this setting for apnea diving or snorkeling. decompression calculation With this dive setting, the OSTC3 serves Gauge: Use this dive setting if you do as a depth gauge. Additionally displayed not use the OSTC3 for decompression and recorded are ambient temperature calculation.
  • Page 34 In all other modes the OSTC3 switches automatically into surface 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...

  • Page 35: Display In Surfacemode

    Surface mode of the OSTC3 • Ambient pressure Display in Surfacemode: • Clock • Date • Temperature • 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.

  • Page 36: Desaturation Diagram

    Desaturation diagram When using a dive setting with decompression calculation, desaturation diagram is available. Press ENTER 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.
  • Page 37 Hint first scale division marks saturation of 80%. Each following division corresponds approximately to The same desaturation diagram is also the decrease over the half-life for the available in the dive mode. respective type of tissue.

  • Page 38: Gaslist

    Gaslist Press ENTER to switch between gas list and further informations. When using an open circuit dive setting, the list of available gas mixes The gas used as the first gas in the dive can be displayed on the surface screen. is additionally marked with an asterisk*.

  • Page 39: Setpoints

    Setpoints 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) .

  • Page 40: Dive Setting Display

    Dive Setting Display Dive Setting Display In surface mode, the dive setting 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 (optional) up to three sensors are displayed below the dive settings display (“---”...
  • Page 41 Example: Mode ZH-L16 CC Example: Mode ZH-L16 CC with O2 sensor monitoring...
  • Page 42 Example: Mode Gauge Example: Mode Apnea...

  • Page 43: Menu Functions In Surface Mode

    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 the menu in surface mode. The display shows the pre-menu Menu?.
  • Page 44 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 of the dive mode of the OSTC3...

  • Page 45: Logbook

    Logbook Logbook Memory The OSTC3 records data during every (real) dive. It can be retrieved from the Logbook.
  • Page 46 • Maximum dive depth computer and read the data out. • 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...

  • Page 47: Displaying Details

    Displaying details 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...

  • Page 48: Oc Gas Setup

    OC Gas Setup Hint OC Gas Setup To display the actual number of dives instead of the position index, you can configure the logbook offset under Settings > Display Settings > Logbook-Offset Hint More information including Gaslist, Salinity, CNS and Average Depth can be found on page 2 (toggled with right button).
  • Page 49 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 trimix.

  • Page 50: Setup Gas-Type

    Setup Gas-Type: Disabled: Gas is disabled and is not taken into account for the decompression Each mix can be set to the following prognosis. type: Disabled gases are shown in blue. First: The first gas which is used when the dive starts.

  • Page 51: Setup Mix

    Setup Mix: • The OSTC3 always computes the tissue load and the decompression scheme using the selected gas and takes all “Deco” gases in account for the decompression phase • The change of “Deco” gases with properly configured change depth will be advised underwater (the change depth of “Travel”...

  • Page 52: Setting The Operation Depth

    It will turn red if the ENTER button) until the required the change depth is larger then the value is displayed. For reference, the maximum operating depth (MOD). OSTC3 displays the calculated Maximum Operating Depth (MOD) Equivalent Narcosis Depth (END).

  • Page 53: Examples

    Examples: configure the second deco mix. Disable the remaining two gases. Dive with only one Gas: Configure one gas (e.g. Gas 1) as “First” and setup the Dive with a Travel/Bottom Mix and two mix using the “Setup Mix” submenu. decompression mixes: Additionally to the Disable the other four gases (Type: “First”...

  • Page 54: Ccr Setup

    CCR Setup CCR Setup CCR Mode: When using a closed circuit rebreather, OSTC3 Fixed SP: The OSTC3 will compute the corresponding CCR setpoint. You can decompression scheme using up to five specify setpoints in the CCR Setup Menu fixed setpoints.

  • Page 55: Ccr Sensor

    CCR Sensor: 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.

  • Page 56: Diluent Setup

    Diluent Setup Diluent Setup: 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 Diluent (“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...
  • Page 57 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.

  • Page 58: Fixed Setpoints

    Fixed Setpoints Fixed Setpoints: Here, up to five Setpoints can be configured in mode “Fixed-SP”. Each setpoint can be between 0.5bar and 1.6bar in 0.1bar increments. Change depth (if more then one setpoint is going to be used) can be set independently for each setpoint too.
  • Page 59 Calculations in mode “Fixed-SP” always start with SP1. SP1 is marked additionally with an asterisk *..

  • Page 60: Deco Planner

    Deco Planner Deco Planner 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.
  • Page 61 Hint Interval: Increase interval in 10min steps up to 240 minutes If you accidentally exceed the desired First, set the desired values for bottom value, select Exit to leave the simulator time and maximum depth. Select the menu. Select the simulator again and set respective menu entry and press ENTER the correct values.
  • Page 62 Hint Please wait for completion of the calculation of the decompression plan. Calculation may take a while depending on the specified bottom time. During calculations the green LED is blinking. When the calculation is done, the decoplan displayed with decompression plan including duration and depth of the planned decompression stops.

  • Page 63: Simulator

    Simulator Simulating Dive Mode Depth is displayed in meters, duration is displayed in minutes. Duration is additionally represented by the width of The simulator allows you to simulate the the respective bar. If there are more then diving mode to become familiar with its eight stops, more stops can be shown functions.
  • Page 64 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.

  • Page 65: Deco Mode

    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. All other available functions are similar to the ones in dive mode and are described there.

  • Page 66: Deco Parameter

    Deco Parameter You can configure OSTC3 to match your (ZH-16+GF) or without (ZH-L16) gradient equipment and how you intend to use it. factors. Furthermore, you can select a model for decompression calculations. PpO2 Max: Setting for maximum ppO2 (1.20 – 1.60bar). This value is used for...
  • Page 67 divemode. The sub-menu Deco Parameters contains settings for gradient factors GF_low and GF_high (when using decompression Deco Parameters: calculations +GF) as well as the saturation and desaturation multipliers in percentage when using the standard Bühlmann model. GF low: Lower value of the GF-pair in percent (10-100%, default 40%) GF high: Upper value of the GF-pair in percent (70-110%, default 85%)

  • Page 68: Alternative Gf

    Alternative GF: Desaturation: multiplier for desaturation processes in the standard Bühlmann model (60-100%, Default 90%)
  • Page 69 Setting for depth of last decompression aGF Selectable: = Yes: The GF-pair can be stop. Choose here if the OSTC3 should toggled underwater. No: The GF-pair can compute its last stop at 3, 4, 5 or 6m...

  • Page 70: Settings

    Settings Menu ! Warning Settings Be careful when changing parameters in the Deco Parameters menu. Do not change any value unless you are aware of its meaning. Changes here influence the decompression calculations and modify the conservatism of the Bühlmann model.

  • Page 71: Time And Date

    Time and Date Hint Information: 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. Set Time & Date: Allows setup of time and date. P C .

  • Page 72: Display Settings

    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.

  • Page 73: Units

    Logbook-Offset: A higher setting results in higher current consumption and short battery life. Units: Display of depth/temperature in metric (m/°C) or imperial (ft/°F) units.

  • Page 74: Salinity

    Salinity: With the logbook-offset you can adjust the dive number shown in the logbook to match your actual number of dives. This setting allows you to adjust salinity, In the detail view of the logbook the used for calculating both current and last dive is not shown as dive no.

  • Page 75: Language

    Language: the Earth’s magnetic field and causes compass deviations. OSTC3 can be setup in four languages: English, German, French and Italian. Important: For an exact heading, Choose the desired language with the the compensation of the compass is ENTER button.
  • Page 76 X,Y and Z-Values. each axis. Hint • The order of the axis rotation is not important • You can rotate OSTC3 by more then 360° • Keep OSTC3 away from any metallic object during the calibration process (at least 50cm distance)

  • Page 77: Reset Menu

    Reset menu Reset Menu • Finalize the calibration mode using the left button. OSTC3 will then store the calibration values. Hint To compensate the compass deviations OSTC3 continuously stores maximum values for each axis. For a quicker compensation align each axis with magnetic north until you see the maximum value for this axis.

  • Page 78: Reboot

    Reboot: The Reset menu allow resetting options in OSTC3 to its default values, clear the decompression and tissue load data or Reboots the OSTC3. During a firmware reboot your OSTC3 if necessary. update it may be required to reboot your OSTC3.

  • Page 79: Reset Deco

    Dive records in the prompted to confirm the action. For the logbook and the dive counter will not be next dive, OSTC3 assumes your N2 and reset. He tissue load is completely leveled to normal / surface conditions without any Caution dives in the past two days.

  • Page 80: Dive Mode

    Dive mode Dive Mode Displays in Divemode • Permanent shown information: • Depth in meters or feet • Maximum depth • Divetime in minutes and seconds • NDL: No Deco Limit or TTS: Time to Surface including all decompression stops •...
  • Page 81 • Water temperature in °C or °F • Display of up to three sensor readings (using the optional hwHUD) Selectable information in the center area of the screen: Warnings: • Stopwatch with average depth warnings shown • Decoplan (display of all decompression simultaneously.

  • Page 82: Menu In Dive Mode

    Dive mode menu Menu in Dive mode • CNS warning • Gradient factor (deco stop violations) During dive mode you can choose from different entries depending if you are in • Warning decompression OC, CC or Gauge mode: calculations is based on the alternative GF-pair.
  • Page 83 Hint During Apnea mode underwater menu accessible. To enter the menu during dive mode press SET/MENU. Display shows Menu, press ENTER to confirm...

  • Page 84: Decoplan

    Gas change Decoplan Choose Decoplan, to show time and depth of all decompression stops. Planned decompression stops are shown with their depth in meters or feet as well as time in minutes. If there are no stops in the decoplan “---” is shown.
  • Page 85 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 in the maindive screen permanently.
  • Page 86 Hint Hint • Gases in red have either too high or For a planned gas change the gas that too low ppO2 to be used in the current should be used in the current depth is depth (They can be selected by the highlighted and can be found quite simply.

  • Page 87: Set Gas

    Setpoint change Set Gas Press ENTER repeatedly (or hold-down the ENTER button) until the required Available in Open Circuit, Closed Circuit, value is displayed. Gauge The new value is displayed in the first This setting allows you to select the line, next to GAS: currently used gas mix.

  • Page 88: Bailout

    Bailout 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 Bühlmann algorithm.
  • Page 89 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.

  • Page 90: Reset Avr

    Stopwatch Reset Avr (Average) Stopwatch Restarts the stopwatch and resets the The stopwatch counts seconds and average depth of the stopwatch. minutes. The value right of the stopwatch is the average depth since starting the stopwatch. The stopwatch is resetted via Menu >...

  • Page 91: Time In Dive Mode

    Time in dive mode Clock Actual time of the day.

  • Page 92: Tissues

    EAD/END Tissues Shows the tissue load of the N2- and The diagram visualizes the approximate He-Tissues of the Bühlmann model. saturation values during the dive. The lines in the upper section represent nitrogen saturation, lines the lower section show the helium saturation of the 16 tissues according to the Bühlmann model.

  • Page 93: Future Tts

    Housing the bungee make a reef-knot above the circular cavity (Tighten knot very strong). Use freshwater to rinse OSTC3 after Cut remaining bungee after about 1cm every dive, particularly after diving in and use a lighter to gently melt the small seawater.

  • Page 94: Wristband

    Wristband 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...

  • Page 95: Replacing The Battery

    3.Insert a new battery of the size AA with the “+” first pointing inside in the battery compartment Caution 4.Check battery compartment If OSTC3 is without battery and without O-ring. From time to time apply a very external power supply, looses small amount of O-Ring grease to it.
  • Page 96 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.

  • Page 97: Spare Parts

    OSTC3. 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...

  • Page 98: The Usb Interface

    The USB interface automatically. But due to the different When done you can see OSTC3 interface configurations available it may be in the COM&LPT ports section of the required to install the driver manually: windows-device manager > USB Serial Port (COM x) •...
  • Page 99 USB-interface cover after downloading freshwater and let it dry completely your dive data. Do not apply force when before using OSTC3 again. If there was closing the USB cover! moisture in the USB-bulkhead apply some water dispersant (e.g. WD40) on the contacts to avoid corrosion.

  • Page 100: Data Transfer

    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 and remotely controlling your OSTC3. On our website http://www.heinrich- sweikamp.com/ostc you’ll find a list of all OSTC3 supporting programs and applications.

  • Page 101: Updating The Firmware

    OSTC3 firmware (integrated software) Hint is in constant process of improvement. To make the most of your OSTC3 it is advisable to use the latest stable We recommend to upgrade the firmware firmware that is available at the regularly, at least ones a year. Updates heinrichs weikamp website at http:// for OSTC3 are free of charge of course.

  • Page 102: Technical Data

    Technical Data: 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 Digital optical link (wet connector system) Sensor Intersema MS5541C, Temperature: resolution 0.1 °C / ±...

  • Page 103: Disposal

    Dimensions 64 mm x 62 mm x 22 mm Weight 160 gr. Operating depth 120 meters Disposal Dispose OSTC3 as electronic waste. Do not throw it away with regular rubbish. You can also return OSTC3 to heinrichs weikamp for disposal.

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