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Emotiv EPOC Flex User Manual
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Emotiv EPOC Flex User Manual

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EPOC Flex User Manual

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Summary of Contents for Emotiv EPOC Flex

  • Page 1 EPOC Flex User Manual...
  • Page 2 EPOC FLEX User Manual Image: Pre-configured EPOC Flex Gel This document is intended to help you get started using the EPOC Flex. The EPOC Flex is a 32-channel, flexible EEG system. It was built on the award winning EPOC+ technology and is designed for researchers who would like to have a more flexible sensor placement and /...
  • Page 3 EPOC Flex...
  • Page 4 Introduction EPOC Flex Saline Kit Contents This document is intended to help you get started using the EPOC Flex. The EPOC Flex is a 32-channel, flexible EEG system. It was built on the award winning EPOC+ technology and is designed for researchers who would like to have a more flexible sensor placement and / or greater density of sensors.
  • Page 5 EMOTIV products are intended to be used for research applications and personal use only. Our products are not sold as Medical Devices as defined in EU directive 93/42/EEC. Our products are not designed or intended to be used for diagnosis or treatment of disease.

  • Page 6: Technical Specifications

    Technical Specifications Device EPOC Flex No. of 32 (plus CMS/DRL references) Channels Channel Configurable on standard 72 channel international 10-20 locations. names Sampling Sequential sampling. Single ADC method Sampling 128 SPS (1024 Hz internal) rate 14 bits 1 LSB = 0.51μV (16 bit ADC, 2 bits instrumental noise floor...
  • Page 7 Sampling Motion 8-bit Output Resolution Sintered Ag/AgCl (EPOC Flex Gel model) can be used with any EEG gel Sensor Electroplated Ag/AgCl (EPOC Flex Saline models) with replaceable Material polyester felt pads can be sterilised and re-used (bulk pack available for...

  • Page 8: Safety Precautions

    Safety Precautions It is important to read the following safety precautions: EPOC Flex is a consumer product, it is not intended to use be used for in-patient health care or in hazardous environments. EPOC Flex is designed to be used at room temperature; rapid changes in temperature will affect the performance of the amplifiers and increase the noise floor.

  • Page 9: Regulatory Compliance

    Regulatory Compliance EMOTIV products are intended to be used for research applications and personal use only. Our products are not sold as Medical Devices as defined in EU directive 93/42/EEC. Our products are not designed or intended to be used for diagnosis or treatment of disease.
  • Page 10 This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: This device may not cause interference. This device must accept any interference, including interference that may cause undesired operation of the device.

  • Page 11: Package Contents

    Package Contents EPOC Flex is designed to allow users to buy the components required to meet their research need. When you open the box, you will find the following: Universal USB Receiver (included with Controller Controller) EasyCap(tm) Emotiv Custom Cap...
  • Page 12 Micro-B to A USB charge cable Earclips (included with Gel sensors only)
  • Page 13 fitting the controller to the cap please turn it on by moving the power switch to the right, a blue LED will show that it is on. Please find the quick start guide for setting up your EPOC Flex cap in the setup section below.
  • Page 14 You are now all ready to start recording!
  • Page 15 Controller...

  • Page 16: Controller Assembly

    Controller Assembly EPOC Flex Controller The EPOC Flex controller pictured above has 16 channels on the left + CMS input and 16 channels on the right + DRL output. These channels are connected in two rows A-H and J-Q with the position above the CMS/DRL empty on both sides as shown below.
  • Page 18 Charging and LED Indicators The EPOC Flex has a single RGB LED to indicate power on and charging as shown in the table below. Action LED Colour Power OFF / Battery Flat Powered On BLUE USB connected / Charging ORANGE...
  • Page 19 Electrodes...
  • Page 20 CMS can be moved to P9/P10 to be the same as EPOC+. The default configuration of EPOC Flex in EmotivPRO is as below. This placement gives good coverage of the entire head, with the pod fitted in the back pocket.
  • Page 21 EPOC Flex. The aim of this colour coding is simple, when troubleshooting you can quickly identify the colour and channel name in the software and quickly find the electrode on the cap.
  • Page 22 Gel Ear Clip The gel cap includes a set of blue earclips for fitting the sensors onto the ear as shown below. The clip will hold the sensor onto the ear however can be removed once the gel has hardened.
  • Page 23 In addition each sensor will be individually labelled with the channel name it is connected on the EPOC Flex. The aim of this colour coding is simple, when troubleshooting you can quickly identify the colour and channel name in the software and quickly find the sensor on the cap.
  • Page 24 stop these wires catching. If your research involves minimising motion artefacts you should keep the excess wire secured.
  • Page 26 EPOC Flex Cap EPOC Flex Cap The standard EPOC Flex cap follows the official 10-20 system and has 72 openings as shown below. The cap has two pockets for securing the controller into the cap, one is fitted below Cz and the other Iz.
  • Page 27 10-20 sensor map The caps can be ordered in standard sizes are 54, 56 and 58 cm in a black high comfort material. Other sizes in 2cm increments, hole positions, materials and cuts are available please contact online support for further information.
  • Page 28 Choosing the Cap Size Specifying the right cap size is critical for ensuring the sensors are in the right place when taking measurements. Our supplier recommends measuring the head diameter in the horizontal circumference as shown in the image below. Once you have the measurement for your test subjects, specify the closest size to the ones available, for example 54.5cm →...
  • Page 29 Working with Wires If you need to tidy up your wires, use the black cable ties and the needle provided to lock your cables down and prevent any unwanted movement. This is something similar to sewing the cables into the material. Tidying up the wires On the other side of the cables if you want to tie down:...
  • Page 30 Tidying up the wires...
  • Page 31 Setup...
  • Page 32 Inserting the Sensors into the Cap Hold the underside of the cap, stretch the material in all directions around the hole you intend to fit, then wedge the sensor into the hole. Push upwards first and then let the material move to fix the bottom half. Adjust the material until the sensor is fully fixed. Repeat this step for all the Sensors in your desired configuration.
  • Page 34 (in wheelchairs, for example), or in studies where people are lying down (sleep studies). Positioning With the EMOTIV logo facing outwards, stretch the fabric into the groove around the circular part of the control box securing the box in place.
  • Page 35 Positioning the Control Box The Control Box should be positioned as shown below: Positioning the Control Box...
  • Page 36 Plugging the Cables into the Control Box Plug the white connector (attached to all your red cables) into the right hand side of the control box. The connector only fits in one way, so if it fits in, then you have successfully connected your control box! Repeat the process for the left side (blue cables).
  • Page 38 Adjusting Wire Positions The EPOC Flex is flexible in wire position and number of sensors. By default all 32 sensors + 2 references are already fitted into the two connectors. As shown in the image below, 16 blue sensor wires + CMS a black wire is on the left. 16 red sensor wires + DRL a black sensor wire is on the right.
  • Page 39 Lifting this tab will release the crimp locking mechanism.
  • Page 40 Pull on the wire until the gold of the crimp starts to be shown.
  • Page 41 The reference wire shown above is removed.
  • Page 42 Reinserting the wire into the connector make sure the crimp lock is facing upwards when inserting and pull on the wire to ensure it is locked in place.
  • Page 43 Cleaning & Troubleshooting...
  • Page 44 For gel sensor users: it is recommended to rinse the cap with the electrodes after each usage. Note: You can clean a configured EPOC Flex cap by soaking or rinsing in warm water as detailed below but (1) unplug and remove the EPOC Flex Controller from the cap and (2)
  • Page 45 Saline Electrodes EMOTIV saline electrodes are only subjected to salt water in use which should be rinsed with clean water after each use to prolong the life of the sensor. The sensors are silver / silver chloride plated which can be easily scratched by other metal parts.
  • Page 46 Storage Storage It is best is to store the cap and electrodes in a dry and dark place. Handling and Maintenance The lifespan of electrodes depends on the handling. The most critical spot for a gel electrode is where the cable enters into the solid electrode housing, and and the crimp into the plug –...

  • Page 47: Troubleshooting

    Troubleshooting The EPOC Flex is designed for expert users already comfortable with setup and use of EEG cap systems. Below is some easy troubleshooting steps we recommend following but for any further help please contact support via email or online chat.