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Summary of Contents for MBT SMARTING 24

  • Page 1 User Manual...
  • Page 2: Table Of Contents

    Contents 1. Safety warnings..................... 1 2. Package content ................... 4 3. Technical specifications ................5 4. SMARTING device description ..............7 5. Connecting the Device to PC using BlueSoleil Bluetooth driver ....9 5.1. Connecting SMARTING to PC ..............10 6. SMARTING Streamer standalone PC utility ..........13 6.1 Installation ....................13 6.2 Starting up (The main window) ............14 6.3 Streaming the signal with 500 Hz sampling frequency and with the...
  • Page 3 8.2 Connecting SMARTING ................37 8.3 Settings ....................40 8.4 Signal Display ..................48 8.5 Recording the EEG signal ...............50 8.6 Disconnecting the Amplifier ..............54 9. OpenViBE software and SMARTING driver for OpenViBE ......56 10. External triggering ..................60 10.1 Procedure for sending triggers from OpenSesame ......63 10.3 Enabling UDP triggering ...............64 10.4 Setting up SMARTING Android and SMARTING Streamer for listening triggers from OpenSesame ..............69...
  • Page 4: Safety Warnings

    1. Safety warnings Warning signs and examples of symbols shown here are mentioned so you can use the device properly and reduce injury risks. Warning sign Meaning Shows possibility of death or physical injury if the instructions in this user manual are not properly followed.
  • Page 5 Caution CAUTION: All General Safety Information that pertains to equipment of other producers to which SMARTING device is connected while charging or during signal acquisition, apply here as well. CAUTION: mBrainTrain products are NOT intended for medical purposes or use in patient health care environments.
  • Page 6 Warning WARNING: Use of controls, adjustments, procedures, connections, or signal types other than those specified in your documentation may result in exposure to shock, electrical hazards, and/or mechanical hazards. WARNING: Do not use your equipment in a wet environment. Protect equipment from liquid intrusion. Do not put the EEG cap on your head, if the cap is connected to the amplifier and your hair is wet.
  • Page 7: Package Content

    2. Package content BlueSoleil's SMARTING EEG Bluetooth Dongle Amplifier Class I (s2b Version) (Type BS002) EasyCap's customized EEG- USB Memory Stick RBE caps with pre-installed software (in different sizes and applications with adapted electrode layouts) EasyCap's Starter SRC Kit USB Type-C Charger (including several consumables for (L0.25m)
  • Page 8: Technical Specifications

    3. Technical specifications General characteristics Name SMARTING 24 No of channels Reference One electrode is a reference (unipolar measurement) Input impedance 500 MΩ Input noise 1 µV Input range ±100 mV CMMR >110 dB Amplification Gyroscope 3D built in AD Conversion...
  • Page 9 Power Power USB – Type C rechargeable battery Battery type Li-Polymer, 560 mAh, 3.7 V Operational time ~ 4 hours Connectors Electrode connectors Cristek, IDC Dimensions Physical size of the box 82x51x12 mm Weight 60 g Manufacturer: mBrainTrain LLC Požarevačka 36/2 11 000 Belgrade, Serbia Carefully read the user manual SMARTING User Manual –...
  • Page 10: Smarting Device Description

    4. SMARTING device description SMARTING (Figure 4.1) is intended for use as a biofeedback research platform. The amplifier is located in a small casing with the physical dimensions 82x51x12 mm. SMARTING is a mobile EEG amplifier that can be used in unrestricted environment. If the device is moved to an environment with a significant temperature drop/rise, leave the amplifier standing there for 30 minutes, before turning it on.
  • Page 11 3. The device contains a 26-pin connector (number 3 in Figure 4.1 - right). There are 24 pins for channel measurements, 1 pin for the reference electrode (REF), and 1 pin for the ground electrode (GND). This EEG connector connects to an EEG cap of your choice. We recommend using EEG caps made by EASYCAP.
  • Page 12: Connecting The Device To Pc Using Bluesoleil Bluetooth Driver

    5. Connecting the Device to PC using BlueSoleil Bluetooth driver Before trying to connect the device to your PC/Tablet or make any measurements, make sure that the amplifier is charged. Otherwise your amplifier’s Bluetooth might not be visible to other devices. SMARTING can be charged on any PC or any other portable device with the mini-USB port.
  • Page 13: Connecting Smarting To Pc

    Figure 5.2 BlueSoleil Space application desktop icon 5.1. Connecting SMARTING to PC Double-click the orange circle (representing Sun - Figure 5.3) in the middle of the BlueSoleil space main window to search for all available devices. When the SMARTING device is detected, double click on the SMARTING icon that appears in the Bluesoleil space in order to search for services.
  • Page 14 Figure 5.3 Appearance of BlueSoleil Space application after finish of search for devices. Figure 5.4 By right mouse clicking on the device, one can recheck the Port number. In this example the corresponding port number is 24. SMARTING User Manual – Release 11/03/2019...
  • Page 15 Figure 5.5 Connecting to device Figure 5.6 Click the B sign to access BlueSoleil driver application Bluetooth Troubleshooting Problem Solution PC cannot see SMARTING Please check whether the battery is charged before trying to connect the device. Bluetooth asks for a password Type: 1111 SMARTING User Manual –...
  • Page 16: Smarting Streamer Standalone Pc Utility

    6. SMARTING Streamer standalone PC utility SMARTING Streamer represents a standalone utility for PC/Windows that allows visualization and recording of EEG signals, checking and setting up impedance values, registration and visualization of external triggers and other functions that will be further explained. 6.1 Installation: To install the SMARTING streamer application, please locate the installation file (SmartingStreamer-setup.exe) on the USB flash that was delivered inside...
  • Page 17: Starting Up (The Main Window)

    After successful installation, Smarting Streamer app will automatically run and the desktop shortcut icon will also be created. The streamer icon can also be found in the Windows Start Menu. 6.2 Starting up (The main window): Before starting the application, please make sure that all firewalls and antivirus programs on your PC are disabled.
  • Page 18 connecting SMARTING to your PC, Figure 5.4). Optionally, it is possible to rename the EEG stream (3), in case you are planning to record multiple EEG streams. Finally, by clicking the connect button (4), SMARTING device will connect to the streamer. Figure 6.3 The pop-up window in which the COM port can be selected (2).
  • Page 19: Streaming The Signal With 500 Hz Sampling Frequency And With The Measure Impedance On Ref Box Selected

    The electrodes on the brain sketch can display either the impedance values on each electrode position, or the electrode name, which is user specified option (7) If the keyboard marker field (8) is checked, the keyboard stream will become active and the keyboard presses can be visualized and recorded in an XDF file.
  • Page 20 Figure 6.4 The main window - setting up of main parameters for the EEG streaming 6.3 Using the measure impedance on ref option When mounting the EEG cap, we recommend to first check the impedance of the reference electrode, since the reference electrode signal quality influences the EEG signal quality on all other channels.
  • Page 21: Streaming Signal With 500 Hz Sampling Frequency And The Impedances Switched On

    Figure 6.5 The main window when the measure impedance on ref and 500 Hz mode boxes are selected. At this point it is possible to get the information on the battery level (18), percentage of the lost packages in the last 5 seconds of streaming (19) as well as for cumulative number of lost packages (20).
  • Page 22 Figure 6.6 The streamer view when the signals are streaming with the impedance measurement switched on In order to visualize the signals, click the show signals button (21) (Figure 6.6), upon which the Signal display window is activated (Figure 6.7). If the impedance measurements are selected, the color-coded impedance values may be observed on the left side of the Signal display window, next to the electrode names (22).
  • Page 23: Streaming Signals With 500 Hz Sampling Frequency And With The Impedance Measurements Switched Off

    Figure 6.7 The Signal display window, in case when the impedance measurement is selected. The indication of the impedance values are presented in the left part of the Signal display window (22). The red line denotes the most recent samples (23). 6.5 Streaming signals with 500 Hz sampling frequency and with the impedance measurements switched off Upon mounting the cap and ensuring the proper electrode contacts, it is...
  • Page 24 Figure 6.8 The main window interface when the impedances are disabled and the signal streaming is set to 500 Hz sampling frequency When visualizing the signals in the condition when impedances are switched off, the Signal display window does not visualize the color-codded impedance values next to the electrode names (22), Figure 6.9.
  • Page 25: Streaming Signals With 250 Hz Sampling Frequency

    Figure 6.9 The Signal display window, in the condition when impedances are switched off. The impedance values are no longer visualized in the left part of the Signal display window (22). The red line runs rightwards (23) denoting the most recent samples.
  • Page 26: Signal Display Window

    Figure 6.10 The main window interface when the sampling frequency is set to 250 Hz 6.7 Signal display window The click on the show signals button (number 21 from Figure 6.8) starts the Signal display window, as depicted in Figure 6.11. The Signal display window shows the raw EEG signals from each electrode that was selected in the main window.
  • Page 27 Figure 6.11 The Signal display window The following options for signal visualization are available (Figure 6.11): The time scale (24): o If set to auto, the time scale is automatically set; o If set to manual, the user can manually change the corresponding time scale by clicking + to increase or - to decrease the time scale (25) –...
  • Page 28: Recording The Eeg Signals From Smarting Streamer

    visualization, manual values between 200 and 500 µV represent good practices. For visual inspection, the user can pause the Signal display by pressing the pause button (31). Note: by pressing the pause button, the user just pauses the signal visualization, but not the signal acquisition, streaming or recording;...
  • Page 29: Recording The Xdf File Format

    Lab Streaming Layer (LSL) Compatibility: Lab Streaming Layer (LSL, https://github.com/sccn/labstreaminglayer) is an open-source, free platform that allows precise synchronous recordings of multiple signal streams coming from various sources. As such it is a very convenient approach that allows very precise triggering. All available trigger streams will be automatically displayed in the signal display window as vertical colored lines.
  • Page 30 Figure 6.13 The Recording window overview, when the user selects the XDF file option Note: In case of recording two SMARTING EEG streams, it is important to provide different names to the EEG streams when connecting the SMARTING device to Smarting Streamer (as described in Figure 6.3). As an example, the EEG streams can be named EEG1, EEG2, etc., as shown in Figure 6.14.
  • Page 31 If the browse button (42) is clicked, a new window choose storage folder will pop-up in which the location of the file should be defined (the default location is C:/Smarting Streamer recordings), as depicted in Figure 6.15. Figure 6.15 The choose storage folder window overview Once the recording folder is set, provide the filename and save the path by clicking the Save button (Figure 6.15).
  • Page 32: Recording The Bdf File Format

    To stop the recording, press the recording button in the Signal display window (denoted as number 32 in Figure 6.11). 6.8.2 Using the BDF file format When selecting the BDF file option (36, Figure 6.17 the box with the available streams becomes inactive since it is not possible to collect multiple streams when recording a .BDF file format.
  • Page 33: Closing The Signal Display Window And Disconnecting The Amplifier

    6.9 Closing the Signal display window and disconnecting the amplifier To close the display window, simply click hide signals button in the main window, or close the Signal display window by clicking the x button in the top right corner. When the measurement is finished, click the disconnect button in the upper left corner of the streamer’s main window (Figure 6.4) to put the device in idle mode.
  • Page 34 If the user chooses the Update Now option from the update notification window (Figure 6.18), the new streamer version will automatically be downloaded and installed. Note: It is necessary that your PC is connected to the Internet during the auto update process. If the user chooses the Remind me in 7 days option, the Update Notification window will close and the streamer home window will appear with the update notification (47), as shown in Figure 6.19.
  • Page 35 If the user chooses the Cancel option, the Update Notification window will close and the streamer home window will appear with the update notification, as shown in Figure 6.19. If the user clicks the update button, the Update Notification window (Figure 6.18) will pop-up, and user can choose one of the available options.
  • Page 36: Setting Up The System

    7. Setting up the system This chapter covers the case of using SMARTING to record EEG signals. Similarly one can record other physiological signals. Note that the SMARTING amplifier is not compatible with other than passive type of recording sensors (passive electrodes). Figure 7.1 Connect the amplifier to the cap.
  • Page 37 Figure 7.3 Carefully insert conductive gel to obtain high signal quality. In order to obtain high quality EEG recordings, it is important to keep the impedance values low, preferably around 5 kΩ. To check the impedance values in real-time, use the SMARTING streamer described in Chapter 6. 1.
  • Page 38 4. After the impedances are appropriately set up, the experiment can start. In order to avoid impedance measurements embedded in the data (seen as a 125Hz noise): a. Stop the streaming b. Choose no impedance measurements c. Restart streaming Figure 7.4 The impedance values are shown either as color-codes or the actual impedance values can be shown on the brain sketch (if impedance value option is checked) SMARTING User Manual –...
  • Page 39: Smarting Android

    8 SMARTING Android SMARTING Android is mBrainTrain's Android application for fully mobile EEG recordings (Figure 8.1). Figure 8.1 Android application for recording EEG data mBrainTrain delivers the pre-installed software on a tested Android platform. Software updates are handled by a user himself, in a simple and intuitive manner.
  • Page 40: Connecting Smarting

    Note: The mobile phone included in the SMARTING package has already pre-installed Android application. 8.2 Connecting SMARTING After starting the SMARTING Android application, the home screen will appear requesting to select the SMARTING device to connect to (Figure 8.2). Note: For the best performance we recommend that the smartphone is in the airplane mode, but with enabled Bluetooth communication.
  • Page 41 Figure 8.3 The list of paired devices If the desired device does not appear in the device list, press the button not this device (A3 in Figure 8.3), which opens a Bluetooth window showing the list of paired devices (Figure 8.4). Figure 8.4 The list of paired devices The list of available devices is displayed bellow the paired devices.
  • Page 42 Figure 8.5 The list of available devices When the device is found in the Available devices, select it and the device should pair automatically to the phone. Once the device is paired, click on a back button, and when returned to the home screen the paired devices will appear in the choose device box (A1 in Figure 8.2).
  • Page 43: Settings

    8.3 Settings It is advisable the check all the recording parameters, settings and enabled sensor streams before initiating the recording. For this, the button settings should be chosen (A4 in Figure 8.6). By clicking the settings button, the settings menu appears (Figure 8.7) and user can choose between the following options: Amplifier settings o Disable or enable the impedances (A5);...
  • Page 44 8.3.1 Impedance Settings The color coded values are set by default to values 10, 20, 30 or 40 kΩ, and above 40 kΩ as depicted in Figure 8.8a. However, the thresholds for color coded values can be manually set by clicking on the desired color and entering the new threshold value in pop-up window, as shown in Figure 8.8b.
  • Page 45 Figure 8.9 Touchscreen marker settings window 8.3.3 Recording settings In the recording settings window the user can choose to record the data in XDF or BDF file format (A13, Figure 8.10). Figure 8.10 Recording settings window – choosing the recording file format 8.3.3.1 Inclusion of Motion sensors into recording file Apart from choosing the file format, the user can also select to record the data from motion sensor by enabling them (built in gyroscope –...
  • Page 46 Figure 8.11 Recording settings window – inclusion of other sensors and/or events for synchronous recordings 8.3.3.2 Inclusion of external sensors SMARTING android application allows the synchronous recording of EEG and other supported sensors in XDF file format (only). External sensors are not included in the default Smarting configuration, and are subject to specific quote that should include them as items.
  • Page 47 sensor found following link: https://www.mindfield.de/en/Biofeedback/Products/Mindfield%C2%AE- eSense-Temperature.html In order to record the body temperature, plug in the eSense Temperature sensor into the smartphone’s audio jack. If the sensor is misplaced, or not connected, a warning will appear in the signal display window (as depicted in Figure 8.12b).
  • Page 48 Neurobs® Presentation uses the LSL protocol for sending the timestamps of the triggers that can be recorded solely in the XDF file format (by enabling option A21 – Figure 8.11). 8.3.4 Streaming settings SMARTING android application allows streaming the data over LAN network, by using the LSL protocol.
  • Page 49 Figure 8.13 Streaming settings window The electrode layouts can be selected by pressing the menu button (as depicted by A30 in Figure 8.15), and the available layouts will appear in the drop down menu (A31 – Figure 8.15). There are two preinstalled layouts. However, the user can add custom layouts by adding them in the root folder of the cellphone’s internal memory.
  • Page 50 display window, nor in the recorded file. Figure 8.15 The measure impedance on reference channel display If impedances are disabled, the layout without color codes will appear in the main screen (as in Figure 8.16). Figure 8.16 The electrode layouts can be chosen from the list of available layouts To name the file that is to be recorded, click on the field A32 in Figure 8.17 and type the desired name in the pop-up keyboard.
  • Page 51: Signal Display

    Figure 8.17 Changing the filename 8.5 Signal Display To visualize the signal, press the button (A34 – Figure 8.17) and the Signal display window will appear (Figure 8.17). Figure 8.18 Signal display window, when the impedances are enabled The battery level of an amplifier is depicted with the vertical color bar at far left side of the signal display window (A35).
  • Page 52 If the impedances are switched on, small color-coded circles (A36) will appear next to the electrode names (A37). However, if the impedances are switched off, no color-coded circles will appear (Figure 8.19). Figure 8.19 Signal display window, when the impedances are disabled The Signal display window can visualize up to seven channels at once.
  • Page 53: Recording The Eeg Signal

    magnitude scaling is automatic, however, the user can change it by vertical pinch-to-zoom gesture (as depicted in Figure 8.20b)). The signals can be paused for the visual inspection (A41 in Figure 8.18). Note: The pause only freezes the visualization, the signals are still continuously streamed and recorded.
  • Page 54 Figure 8.22 Activation of touch markers To stop recording, click the record button once again (A42 in Figure 8.18) and signal recording will cease. When the recording is stopped, an experiment summary window pops-up (Figure 8.23) showing the following information about completed recording: filename sampling frequency that was used during the recording...
  • Page 55 Figure 8.23 The Experiment summary window The Experiment summary window is closing upon clicking the button OK. Click the back button to return to the main screen. 8.6.1 Recording ERP experiment As mentioned in the Section 8.3.3.3 the SMARTING android application is capable of recording the ERP experiments, where the stimulus triggers are sent to the application and written into file wirelessly (either over UDP or LSL protocol).
  • Page 56 In the open sesame application, select and run the wanted experiment. Upon experiment completion, return to the SMARTING application and cease the recording (the information about recorded events will be presented in the recording summary window – Figure 8.23). NOTE: OpenSesame is the open-source software no longer actively maintained for Android.
  • Page 57: Disconnecting The Amplifier

    appears, please return to the main window and re-enter the signal display window (A34, Figure 8.16). Upon entering the signal display window, click on the recording button (A42, Figure 8.18). Please read carefully whether the presentation is enabled, in the recording preview window (Figure 8.21, under section events included). After selecting “OK”...
  • Page 58 Figure 8.26 Disconnect the device window SMARTING User Manual – Release 11/03/2019...
  • Page 59: Openvibe Software And Smarting Driver For Openvibe

    9. OpenViBE software and SMARTING driver for OpenViBE SMARTING device is supported by OpenViBE. OpenViBE is an open source platform for brain computer interface and real-time neuroscience experiments, and can be freely downloaded from http://openvibe.inria.fr. We also provide an installer application on the USB stick that comes with the SMARTING package.
  • Page 60 Figure 9.2 Click the I Agree button to agree with the open source license Figure 9.3 Click the Next button to proceed with the installation SMARTING User Manual – Release 11/03/2019...
  • Page 61 Figure 9.4 Wait until the installation is finished Figure 9.5 Close installation window by clicking the Finish button The OpenViBE driver is now located at C:\Program Files (x86)\openvibe SMARTING User Manual – Release 11/03/2019...
  • Page 62 To start acquisition server, run the OpenViBE acquisition server. Choose the connection port by clicking the Driver properties button (Figure 9.6). Input the correct COM port number in the Port Number text box - Figure 9.7 (appropriate COM port can be detected as described in Figure 5.4). It is important to note that after the port number has been input a user must press the keyboard ENTER (RETURN) key before applying the changes.
  • Page 63: External Triggering

    10. External triggering External triggers can be sent wirelessly, both to PC and Android platforms. For precise external triggering, the recommended method is the usage of the LSL protocol (already described in Chapters 6 and 8), through Neurobs® Presentation software (or others, but it is highly recommended to check timing precision beforehand).
  • Page 64 Figure 10.1 Presentation general settings window – Thick the LSL checkbox Figure 10.2 Presentation LSL data port window; The LSL stream name and string marker content can be defined here. Once the LSL data port settings have been completed, in the main window, the LSL Properties box will appear (Figure 10.3).
  • Page 65 Figure 10.3 Main Window in Presentation software Figure 10.4 Main Window in Presentation with the LSL data port pop-up window In order to create the mobile experiment and use the smartphone as the presentation device, the secure package should be created and uploaded on the Neurobs presentation website.
  • Page 66: Procedure For Sending Triggers From Opensesame

    experiments creation for the smartphone application can be found here: https://www.neurobs.com/menu_presentation/menu_features/mobile 10.2 Procedure for sending triggers from OpenSesame Triggers can be sent from OpenSesame using the UDP port. Before scripting you should decide about the type of approach for sending triggers. Sending triggers includes following steps: opening the UDP port (default port in our applications is 40007), sending trigger commands during experiment, and closing UDP port.
  • Page 67: Enabling Udp Triggering

    Figure 10.5 Start window after running of OpenSesame application Figure 10.6 Blank experiment 10.2.1 Enabling UDP triggering  Drag and drop inline script from Commonly used section in the menu in the left corner to the experiment in Overview menu. SMARTING User Manual –...
  • Page 68 Rename the script to udpsetup by clicking on inline_script caption in the right window (Figure 10.7);  Copy the following text in the Prepare Section, Figure 10.7: import socket global port global socket port = 40007 # A predefined port that matches the SMARTING client print 'Opening socket' socket = socket.socket(socket.AF_INET,socket.SOCK_DGRAM) print 'Server is started ...'...
  • Page 69 Figure 10.8 UDP Server configurations, Run section  To close UDP setup drag and drop new inline script after udpserver script. Rename it to closeudp and copy following text in Run section (Figure 10.9): socket.close(); Figure 10.9 Closing UDP server SMARTING User Manual –...
  • Page 70 Sending stimuli and triggers  To send a sound stimulus, drag and drop the sampler item from Commonly Used section into Overview menu, between the udpserver, and closeupd icons. (Figure 10.10);  Rename sampler to sound. Click on file Browse, and choose the .wav or .ogg file from file pool that appears.
  • Page 71 Figure 10.11 Choosing sounds for the events from file pool. Go to your folder, drag and drop files from folder to the file pool, and select desired sound. Figure 10.12 Sending trigger according to simple protocol SMARTING User Manual – Release 11/03/2019...
  • Page 72: Setting Up Smarting Android And Smarting Streamer For Listening Triggers From Opensesame

     Click Run full screen to start experiment  In order to save the experiment, please navigate to: File/Save as/ and select: OpenSesame script and file pool (*.opensesame.tar.gz type) You can always check for examples and more complex scripts in the download section of our website: http://www.mbraintrain.com/support-and- download/...
  • Page 73: Eeg Cap Maintenance

    11. EEG Cap Maintenance Although not an integral part of SMARTING system, it is important to note that, especially within the scope of EEG applications, it is crucial to perform proper recording cap maintenance. Acting contrary might induce e.g. high impedance values and disrupt experiments.
  • Page 74: Pin Arrangement

    12. Pin arrangement The Pin Arrangement Sheet shows the connection between pin inputs and how they are presented within the software. Please check the Pin Arrangement Sheet from the cap supplier in order to properly connect the cap pin inputs with the amplifier pin inputs. Figure 12.1 Pin arrangement SMARTING User Manual –...
  • Page 75: Battery Instructions And Disposal

    13. Battery Instructions and Disposal Do not use the amplifier while charging! In other words, do not start any applications you use for measurements and try to connect with the amplifier via those applications. The amplifier is only to be connected with your PC/Tablet using the mini-USB delivered to you in the package.
  • Page 76: Custom Electrode Layouts

    14. Custom electrode layouts  Input file structure Electrode configuration file (Loc file) must contain 24 lines in a defined format in order to work properly Example for proper formatting (one line example): FT8 - Name of electrode, 7.6, 2.8 ,and 3.6 are X, Y and Z coordinates. File name File name of the LOC file may be chosen arbitrarily, and the file type should be .txt...
  • Page 77 After that, location files are ready to be used in SMARTING mobile application. If file structure is appropriate, electrode layout will be displayed properly. If this is not the case, the layout will be deleted from a list of available layouts, with the error message. ...
  • Page 78  Note for number format The program entails local settings for the number format so that LOC file format must be adapted to the language in which you installed Java. This means that you must pay attention whether the float value has dot or comma as a delimiter and adapt the X, Y, Z to fit the new format in the defined ranges.
  • Page 79 Bringing simplicity to complex research experiments mBrainTrain hereby declares that this SMARTING is in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EC. Požarevačka 36/2 11 000 Belgrade, Serbia www.mbraintrain.com SMARTING User Manual – Release 11/03/2019...

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