heinrichs weikamp OSTC 3 User Manual
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heinrichs weikamp OSTC 3 User Manual

Open source dive computer
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Summary of Contents for heinrichs weikamp OSTC 3

  • Page 1 User manual Open Source Dive Computer...
  • Page 2 Contact Contact For any questions relating to your OSTC 3, please contact us via… • internet forum: forum.heinrichsweikamp.com • E-Mail: info@heinrichsweikamp.com • per mail: heinrichs weikamp Adlerstraße 7 79098 Freiburg im Breisgau Germany...
  • Page 3 Use the firmware updates to keep your Using open source software for full offers an apnea and gauge mode as well OSTC 3 always up to date. Get it for free transparency, combined with state-of- as a digital compass. the-art hardware and a robust housing...

  • Page 4: Table Of Contents

    Before every dive .........12 Display in surface mode ....28 Baring ...........75 While diving ..........14 Menu functions ........30 Ascent rate ..........76 Safe use of the OSTC 3 .......16 Logbook ..........32 Environmental conditions ....17 Gas setup ..........35 Maintenance ..........77 CCR Setup ..........41 Housing ..........77...

  • Page 5: Common Advices

    About this manual Note This manual corresponds to the techni- Standard settings Special markings cal status of OSTC 3 and its firmware as of December 2015. Unless noted differently, the information indicates additional information for ad- ! Warning in this manual refers to OSTC standard vanced OSTC 3 user.

  • Page 6: Functions Overview

    Safety Advices Functions overview Requirements Your dive computer OSTC 3 assists you Additional informations (e.g. tilt-com- The most important factor for safe diving Do not use this dive computer, if you with the following functions: pensated compass, average depth, stop- is a competent and well trained diver.

  • Page 7: Before Every Dive

    Set up a dive plan independently from Check the settings of your OSTC 3. If E2) about 30 hours. Check the signals of OSTC 3. Do not dive OSTC 3 and take it with you when diving. necessary, adjust the settings according if your dive computer displays a warning.

  • Page 8: While Diving

    While diving Take a backup system with you Take the OSTC 3 with you on every repeat Caution While diving, always carry a backup dive – don’t lend it to anyone. system to measure duration and depth A correct calculation of tissue saturation of your dive independently from OSTC 3.

  • Page 9: Safe Use Of The Ostc 3

    Safe use of the OSTC 3 Environmental conditions Note Do not modify the hardware. Modi- Store the OSTC 3 in a cool, dry place. Per- Caution fications to the hardware of OSTC 3 missible temperature range for use and can damage its proper function and storage: between -5 °C and 40 °C.

  • Page 10: Before First Use

    OSTC 3 ready for use with a high quality lithium battery (Saft LS14500). But nevertheless Operate the OSTC 3 with the two buttons check the battery status before using the Set/MENU and ENTER on the left and dive computer the first time.

  • Page 11: Modes Of Operation

    To connector system (optional): OSTC 3 has three modes of operation To wake up the OSTC 3, push one of the confirm push ENTER. Connect up to three oxygen sensors and switches automatically between buttons SET/MENU or ENTER.
  • Page 12 Sleep mode The OSTC 3 automatically switches into In dive mode the display shows current When the OSTC 3 isn’t operated at the dive mode when it is at least 1,6 meter diving depth, dive time, maximum surface, it switches into sleep mode after below the surface for five seconds.

  • Page 13: Modes Of Diving

    In the main menu you can choose under The decompression calculation model is in dive mode even when diving at low deco mode, if you want to use the OSTC 3 Bühlmann ZH-L16 without or Bühlmann depths. You can switch into surface mode...

  • Page 14: Compass Calibration

    Compass calibration Note OSTC 3 has a tilt-compensated electro nic For an exact heading, the calibration of compass. Like all other electronic com- the compass is absolutely necessary. passes it must be calibrated before use. The order of the axis rotation is not im-...

  • Page 15: Surface Mode

    Surface Mode Display in surface mode Permanent items Selectable items In the surface mode the OSTC 3 shows In the middle part of the display you • desaturation diagram (After the dive, the following items permanently: can see extra information in the custom you can see the approximate tissue view.

  • Page 16: Menu Functions

    OSTC 3 and review your dives in the logbook. OC Gas setup: Set up your gas mix for Deco mode: Settings for deco calcula-...

  • Page 17: Logbook

    To see details of the selected dive, press dive. It can be retrieved from the ENTER. The dive profile and details page logbook. The OSTC 3 stores data of up to If you want to secure your recorded dive shows up. The details page also shows...
  • Page 18 OC Gas setup Note Use gas setup to configure presets for up to five gases for scubadiving as well as Via Settings > Display Settings > Logbook bailout gases for rebreather diving . You Offset you can put in your own number can switch between these presets when of dives.
  • Page 19 Type Deco: Gases used for decompression The OSTC 3 always computes the tissue load and the decompression scheme Each mix can be set to the following Disabled: Gas is disabled and is not using the selected gas. It takes all deco...

  • Page 20: Gas Setup

    MOD. The change depth can only be gas as deco and setup your gas mix. gases, configure a fourth gas as travel. reference, the OSTC 3 displays the calcu- configured for deco gases, not for travel Disable the remaining gases.

  • Page 21: Ccr Setup

    CCR Setup Note In CCR Setup you can configure all set- tings you need for diving with a closed In surface mode the actual gaslist circuit rebreather. For calculation you can is shown via the custom view (right use fixed setpoint or sensor readings. button), also in dive mode.
  • Page 22 CCR sensor The CCR sensor shows ppO2 readings of each sensor attached with a hwHUD or Fixed Sp: The OSTC 3 will calculate the a ppO2 monitor (via optical input). Addi- decompression using up to five fixed set- tionally you can read mV voltages out of points.
  • Page 23 Setup diluent type Setup of the diluents is the same as for each setpoint. But in dive mode OSTC 3 Disabled: The diluents is disabled and is OC gas setup (page 35). will not indicate the change depth. De-...

  • Page 24: Simulator

    Simulator Calculate decoplan Use the simulator to simulate the dive As a planning aid, the OSTC 3 can calcu- To start calculation, select calculate deco mode of the OSTC 3 or to calculate the late decompression stops in advance to and push ENTER.
  • Page 25 Interval: Increase interval in 10 minutes logbook. Simulated dives don’t affect ENTER. steps up to 240 minutes. any settings of the OSTC 3. Of course there will be no influence on the tissue Sim: -1m: descend 1 meter Bottom time: Can be increased in steps loads from real dives.

  • Page 26: Deco Mode

    Deco mode In deco mode you can configure the dive mode of your OSTC 3 (OC, CC, gauge or apnea) and select important settings for the decompression calculation. Note Dive mode: There are several dive modes for scubadiving (CR), closed rebreather...
  • Page 27 0,16 and 0,21 bar, the the total time to surface (TTS) in minutes percent) this decomodel uses saturation highest decostop. OSTC 3 is set up to a ppO2 max between 1,20 and 1,60 bar. if you stay on the actual depth. For factors.
  • Page 28 ZH-L16+GF) model without gradient factors (100 to diving (toggle GF). OSTC 3 shall calculate its last stop at 3, as well as settings for the saturation and 140%, default 110%) 4, 5 or 6 meter (default: 3m). If you have...

  • Page 29: Settings

    Settings In this menu you can set up basic con- ! Warning: figurations, calibrate your compass and reset settings. Only change values for decompression calculation if you are aware of their meanings. The pre-settings of the deco parameters are established and proven. Information Changes have direct influence on the de- compression calculation and modify the...
  • Page 30 You can also set up time and date with Brightness: Display brightness in OSTC 3 schemes red, green, blue and standard. the OSTC 3. You can set up time and date your personal computer. With the com- is controlled automatically with an with the ENTER button.
  • Page 31 349 dives in total yet. This value played. The value range is from 0% to 4%. The OSTC 3 can be se tup in four lan- will be increased after every dive auto- guages: English, German, French and matically (Not for simulated dives).
  • Page 32 Reset deco: To delete the current decom- Reset all: Resets all settings (not time Reset battery: When replacing the tings of the OSTC 3 to its default values pression data choose reset decodata and date) to factory defaults. You’ll be battery you have to choose the battery and start the dive computer from new.

  • Page 33: Dive Mode

    Caution Permanently shown information Reset all really resets all settings in the In dive mode the OSTC 3 shows the • water temperature in °C or °F OSTC 3 to their factory defaults, it also following items permanently on the •...
  • Page 34 Selectable information Selectabel items can be monitored on • Display of up to three sensor read- the center of the display. You can scroll ings (using the optional hwHUD or the through with the right button. ppO2 monitor) • Compass •...
  • Page 35 Warnings Warnings appear permanently on the • too high gradient factors and missed display. Up to two warnings are shown decocstop (the missed decostop is simultaneously. If there are more than marked red) two warnings, the warning display • too fast ascent toggles every two seconds.

  • Page 36: Menu Functions

    Confirm gas change and select the actual gas. You culation of your average depth (reset within five seconds or the OSTC 3 returns can choose the gas mixes that you pre- avr./stopwatch). During CCR diving you to normal display.

  • Page 37: Setpoint Change

    Setpoint change Bailout gas. Then push SET/MENU and the dive computer proposes you the fitting gas (e.g. Nx50?). So you see at once which gas Diving in CCR mode you can choose If you have to switch from closed circuit you shall use.
  • Page 38 Reset Avr Bearing In dive mode you can select the average To make a bearing with the compass at bearing. But it only is stored as long as depth and stopwatch with the right first go to the compass view with the the dive computer is on.

  • Page 39: Maintenance

    Rate of ascent Housing The rate of ascent is displayed when Wash your OSTC 3 after every dive with If the housing is very dirty, put your it is higher than six meter per minute fresh water, especially after diving in OSTC 3 over night in fresh water.

  • Page 40: Bungee

    Bungee Replacing the battery The OSTC 3 is delivered with bungees. In order to replace the bungee, remove You can easily replace the battery of the Open the battery compartment and The bungee wristband can be set to your the four screws (2mm Allen key) and OSTC 3 by yourself.
  • Page 41 3,6V battery or a new 1,5V Battery. Simple Zinc–Carbon batteries should be ment and display protection shields are With this information the OSTC 3 can avoided. Leaking Zinc–Carbon batteries available in the online shop of heinrichs calculate the remaining battery capacity.

  • Page 42: Readout The Dive Computer

    Readout the dive computer Bluetooth connection You can connect your OSTC 3 easily via Bluetooth to your personal computer or notebook. So you can upload software Activate the Bluetooth interface in the operation software of the computer. In and download your logbook. All you main menu with Start Bluetooth.

  • Page 43: Software For The Ostc 3

    - at least ones a for all common platforms. The applica- The OSTC 3 is an open source dive com- ment. To make the best of your OSTC 3, year. Updates for the OSTC 3 are free...

  • Page 44: Technical Data

    Technical data Disposal Display High resolution IPS LCD monitor with ambient light sensor, field of view: 160°, Resolution: 320 x 240 pixel, According to the European WEEE direc- status display: 2 LEDs tive, electrical and electronic devices Connections Bluetooth Smart Ready (2.0 and 4.0), digital optical input must not be disposed with consumer for hwHUD and ppO2 Monitor waste.

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