O'Dive tutorials

Optimize your experience

General information

Download here O’Dive user manual.

Watch our video tutorial to learn how to properly place your O’Dive sensor.
Caution: Pressure sensors are no longer used as of version 1.8.48 of the application (see Taking a measurement).

Watch our video to learn how to interpret your results and become familiar with the O’Dive personalized simulator.

Video tutorials

Charging the sensor

When your sensor is properly placed on the charger:

  • the ON/OFF button is flashing in green
  • the charger lights up in green for 16s then off

When your sensor isn’t properly placed on the charger:

  • the ON/OFF button stays off or is flashing in red
  • the charger’s LED stays off or is flashing in green

Remove the sensor from the charging base and replace it properly so that:

  • the ON/OFF button is flashing in green
  • the charger lights up in green for 16s then off

Managing accounts

Caution: ensure that you have granted access to the phone’s camera to the O’Dive app.

Caution: ensure that the sensor is turned on as well as the device’s (phone or tablet) Wi-Fi connection.

Taking measurements and parameters input

Caution: ensure that wireless tethering is turned off on your smartphone.

  • In order to properly position the sensor, we recommend you to watch the tutorial and to use the mirror.
  • Remember to follow these instructions during the measurement:
    Breathe deeply || Keep your arm relaxed along your body and do not move || Do not talk.
  • The pre-measurement spectrogram allows the correct positioning of the sensor to be checked by means of direct visual feedback of the acoustic signal.
    The visual objective is to obtain a yellow-red signal with the greatest possible height and length (see examples below). A periodic signal indicates correct positioning.
    It is important to stay still for a few seconds to check the quality of the signal.
  • Please retake the measurement in case of uncertain positioning.

 

Example of a signal with a correct positioning:

Example of a insufficient-quality signal:

Caution: ensure that you have filled all the fields and don’t forget to validate.

Caution: it is mandatory to importer the profiles for multi-level dives. Manual input is only valid for square profiles.

  • There are several ways to import your dive settings into the O’Dive application:
    1. Shearwater : you can connect your Shearwater dive computer directly to the O’Dive application via Bluetooth
    2. Suunto : you can log in to your Suunto Cloud account to synchronize recorded dives
    3. Subsurface : you can connect to your Subsurface Cloud account to synchronize recorded dives. Please see the sections below to record your dives under Subsurface.
  • Make sure to enter all the fields (some are not imported) and don’t forget to validate.

Subsurface

Caution: you must beforehand connect the smartphone to the dive computer via Bluetooth in your smartphone settings​.

Results and simulator

Caution: ensure beforehand the good quality of your internet connection.

  • Synchronized dives can not be modified (you can not add other measurements).
  • To obtain your results, you must synchronize again after receiving the email.

  • Click on the bargraph to access the detailed result.
  • Two factors can lower the Quality Index:
    – Severity component (1st box): it depends on the diving parameters, gas mix and ascent profile
    – Bubbles component (2nd box): it depends on the quantity of micro-bubbles detected in the diver’s venous system. (max. value: 40).

O’Dive Sport simulator offers the possibility of modifying the following parameters and see their impact on your decompression’s quality:
– decompression stop’s duration
– decompression gas
– bottom gas.

O’Dive Technical simulator offers the possibility of modifying the following parameters and see their impact on your decompression’s quality::
– decompression stop’s duration
– diluent gas
– PpO2
– Gradient Factors (GF Low is limited depending on depth and gas used).

You can find below the recommendations and advices based on the personalized decompression analyses:

  • Use oxygen enriched mixtures (Nitrox) during decompression or at the bottom;
  • Use helium enriched ternary mixtures (Trimix) when diving deeper than 50m or even 40m if possible;
  • Respect legal diving limitations: 50m with air, 120m with Trimix and 1.6 bar PpO2 max;
  • Avoid setting a too low value for GF Low, especially if the maximum depth and bottom duration are low values;
  • Program your decompression profile with O’Dive to keep your Quality Index between 75 and 100 for your dives.

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