Mentalab EXPLORE User Manual
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Mentalab EXPLORE User Manual

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  • Page 2: Table Of Contents

    Table of Contents Acronyms and Abbreviations Definitions Introduction Intended Use Release Notes Product Certification Safety Technical Information Explore Outline Contents Device Specifications Operation Instructions Operating Modes First Setup Device State Diagram LED Codes Button Commands Data Structure APIs Device Troubleshooting...

  • Page 3: Acronyms And Abbreviations

    Advertising As part of the Bluetooth connection process, the Explore device will advertise that it is available for a connection to a host machine. When it is connected, the Explore device becomes the slave device.

  • Page 4: Release Notes

    1.2 Release Notes Date Changes Firmware Explorepy Documentation 31.08.2020 First release 2.1.4 1.1.0 MLExploreV1.1 1.3 Product Certification Mentalab hereby declares that the Explore product series is in accordance with the requirements and relevant provisions of EU directives: 2014/30/EU 2014/53/EU 2015/863/EU...

  • Page 5: Safety

    1.4 Safety Preventing Misuse Any operator of a Mentalab Explore device should read the instruction manual specific to the device and API versions. The device is only to be operated according to the instructions. Mentalab Explore is not intended for medical use, including any diagnostic or therapeutic applications.
  • Page 6 45° C can lead to overheating or electrical discharge. Mentalab Explore is not to be used in wet environments either, as liquid intrusion can cause electrical hazards. When applying electrodes on the subject’s head, the cap and the subject’s hair should be dry.
  • Page 7 − Clean the cables and electrodes from remaining gel, disinfectant, paste or other residues. Do not use detergents with chlorine or other corrosive agents to clean the equipment. − Protect the Explore unit from liquid contamination. Ensure that the whole equipment is completely dry before storing.

  • Page 8: Technical Information

    2 Technical Information 2.1 Explore Outline The Mentalab Explore device is a powerful and flexible solution for mobile biosignal recordings. It combines research-grade precision with great usability in a mobile format. We offer several easy-to-use, open-source APIs. Mentalab Explore and its APIs provide you with rich and easily integrable data pipelines, so you can focus on your application.

  • Page 9: Device Specifications

    Bluetooth Range 10 m The following picture shows the Explore device label. You can also find it on the Explore case and on the box. The last four digits on the label define the device’s Bluetooth name. For example, the label below corresponds to a device whose Bluetooth ID is “Explore_1438”:...

  • Page 10: Operation Instructions

    4 minutes, the device will automatically go to offline mode. In this state, the LED blinks in green at a rate of 1 Hz and the Explore keeps recording data in the internal memory. You can leave the device in recording mode for as long as you wish. With a full battery, recording for...
  • Page 11 If you want to stream and record data on your PC or smartphone, you must first pair your Explore device. Here is an example of how to do this on Windows: First, go to your Bluetooth settings and choose “Add Bluetooth device”.
  • Page 12 We can provide a Bluetooth dongle to help you maintain the desired mobility and flexibility. Here is an example of how to use a dongle on Windows: First, if you have paired an Explore device, remove it from the Bluetooth paired devices list before inserting the Bluetooth dongle.
  • Page 13 OS, you can transfer the files to your computer as usual. USB Connection Always turn off the Mentalab Explore device before attaching it to a PC or charging. The device starts recording a file into the memory automatically after start-up. Attaching the device to a USB port without prior shut-down can terminate the recording session abruptly.

  • Page 14: Device State Diagram

    3.3 Device State Diagram The following diagram gives an overview of the Explore device’s behavior.
  • Page 15 Figure 4. Explore device system states...

  • Page 16: Led Codes

    3.4 LED Codes LED Color Blinking Pattern Description Red / Yellow / Green At device startup, about 3 sec Startup in progress. Green > 60 %, yellow 30 – 60 %, red < 30 % battery left. Blue Blinking 2x / sec Bluetooth visible and advertising.

  • Page 18: Data Structure

    − Timestamps: The host machine can send a packet to Explore to synchronize the device with it or to indicate the timepoint at which the recording has started on the Explore device. The value in the host timestamp field of the mentioned packet contains the host timestamp based on the UTP protocol.

  • Page 19: Apis

    APIs were built for earlier firmware versions and are not yet up to date, so make sure your device has the firmware version corresponding to the API you are using. All Mentalab's application-sided code is open, so we invite you to use it and contribute to its development. The three APIs can be found on GitHub:...

  • Page 20: Device Troubleshooting

    At the startup, Explore checks To free-up space on flash memory, Explore device, it blinks if there is enough space on you can press the Explore’s button in a pink light and then flash to record data for 8 twice while the pink light is turns off automatically.
  • Page 21 Make sure the cables are intact and correctly connected to Explore, that impedance values are low enough. Else, try moving the Explore closer to the host machine, or turning off other Bluetooth devices nearby which may interfere. TD-9 I observe a sinusoidal Impedance mode is active.
  • Page 22 TD-1 recorded file’s The host machine’s date and The device receives this time tag name does not have time settings are incorrect. from the host machine. It is likely the correct time tag. that your system’s date and time are not correct, especially if you use a dual boot system on your host machine.
  • Page 23 Mentalab GmbH Weinstr. 4, D-80333 Munich, Germany...

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