Neurobit Optima+ 4 BT User manual

Neurobit Optima+ 4 / 2 BT / USB

Neurobit Optima 2 BT / USB

Instruction manual

In order to assure safe and effective operation please carefully read chapters 1-3 of this

manual before first use of the product.

No part of this document may be reproduced, published or distributed in any form, without prior

written permission of the owner of the copyright.

Neurobit Optima and Neurobit Optima+ are the trademarks of Neurobit Systems. Bluetooth is the

trademark of Bluetooth SIG, Inc.

IMPORTANT NOTICE: Neurobit Optima(+) equipment is not a medical product. It is intended for

psychological training with methods of neurofeedback, biofeedback, as well as for scientific and

educational applications.

This product is the subject to EU legal regulations for Waste Electrical and Electronic

Equipment. For the sake of environmental protection and recycling, WEEE should be

collected separately and not be mixed with unsorted municipal waste. Holders have

important role in the collection process. They should return WEEE to civic amenity,

recycling center or a retailer.

Neurobit Systems company reserves the right to introduce development changes in the product and

its firmware & software without previous notification.

Important symbols used in this manual:

- requirements concerning safety,

- warnings connected with operation.

Release 1.0.2

Instruction manual - Neurobit Optima(+) - Release 1.0.2

Table of contents

1. Safety................................................................................................................................................... 5

2. Product highlights................................................................................................................................ 6

Product features.................................................................................................................................. 7

3. The basics of usage.............................................................................................................................. 8

Power .................................................................................................................................................. 8

Data link............................................................................................................................................... 8

Signaling .............................................................................................................................................. 9

Sound signals................................................................................................................................... 9

Device indicators ........................................................................................................................... 10

Signaling on the computer ............................................................................................................ 11

Measurement ports........................................................................................................................... 12

General purpose ports .................................................................................................................. 12

Extension port ............................................................................................................................... 12

Additional digital channel.............................................................................................................. 12

EEG cap port.................................................................................................................................. 13

Connections of general purpose ports.......................................................................................... 13

Sensors .............................................................................................................................................. 15

Measurement rules........................................................................................................................... 16

General requirements ................................................................................................................... 16

Special requirements for some modalities ................................................................................... 17

Further information....................................................................................................................... 17

Operational remarks ......................................................................................................................... 18

4. Software ............................................................................................................................................ 19

Computer applications ...................................................................................................................... 19

Device settings .................................................................................................................................. 20

General tab.................................................................................................................................... 20

Chan X tab - Settings of measurement channel............................................................................ 22

Additional digital channel tab ....................................................................................................... 25

EEG Cap tab ................................................................................................................................... 26

Test tab –Test of input circuit impedances .................................................................................. 27

Status tab....................................................................................................................................... 29

About tab....................................................................................................................................... 29

Instruction manual - Neurobit Optima(+) - Release 1.0.2

Extensions for BioExplorer ............................................................................................................ 29

Neurobit Driver upgrade ................................................................................................................... 29

Firmware upgrade............................................................................................................................. 30

5. Troubleshooting ................................................................................................................................ 32

6. Sources of additional information..................................................................................................... 35

7. Technical data.................................................................................................................................... 36

Instruction manual - Neurobit Optima(+) - Release 1.0.2

1. Safety

•DO NOT CONNECT THIS DEVICE TO ANY EQUIPMENT NOT INTENDED FOR THAT

PURPOSE BY NEUROBIT SYSTEMS.

PARTICULARLY, DO NOT CONNECT DEVICES POWERED FROM THE MAINS ELECTRICITY

OR CONNECTED TO ANY SUCH DEVICES, FOR EXAMPLE POWER SUPPLY ADAPTOR,

COMPUTER EQUIPMENT, MEASUREMENT EQUIPMENT –except connection of computer

to isolated USB port of Neurobit Optima(+) USB device.

•DO NOT OPEN THE DEVICE (except the battery compartment). DO NOT REMAKE IT.

Unauthorized intervention may cause damage and violate safety. It also causes loss of

warranty.

•Persons suffering from epilepsy, posttraumatic stress disorder (PTSD), depression or

schizophrenia can use neurofeedback only under supervision of a therapist.

•Do not use this product in industrial environment, or in means of transportation. It is

intended for use in office environment and at home.

•Avoid active sources of strong radio waves nearby during the use of electrodes applied

to the skin. Devices such as cell phones, other devices using cell network or Wi-Fi

routers, should be disabled, set in airplane mode or located no closer than 2 meters

from the electrode wires. Computers with enabled Wi-Fi transmission should be located

no closer than 20 cm from electrode wires and Neurobit Optima(+) device.

•Do not connect measurement wires to any devices that are not intended for it.

•Never use electrodes or conductive paste on damaged or irritated skin.

•Keep clean electrodes and other sensors applied to the skin.

•Do not use electrodes and other sensors with damaged wire insulation.

•Do not wrap the measurement wires around one's neck.

•In order to prevent cross-infections, the electrodes manufacturers recommend that

electrodes used by persons with HIV, AIDS, Creutzfeldt-Jacob disease or comparable

infections should not be used by any other people.

•Avoid eye contact with the electrode paste. If this happens, rinse the eyes with 0.9%

saline solution. Avoid rubbing the eyes.

•Before application of electrode paste to persons prone to cosmetics allergies

consultation with a doctor is required.

•Consult a doctor right away in the event of long-lasting redness, soreness, or swelling at

the site of electrode paste application.

Instruction manual - Neurobit Optima(+) - Release 1.0.2

2. Product highlights

Neurobit Optima is a family of highly integrated,

multimodal, portable devices enabling

measurements of physiological signals for

psychological training, scientific research,

education and similar applications.

They are equipped with 2-4 versatile, accurate,

low noise measurement channels with

individually configurable functions, sampling

rates, frequency characteristics and other

parameters.

High sampling rates up to 2000 sps (with 4 times

faster input oversampling) allow to capture

wideband biosignals, as well.

The devices are available in wireless, battery

powered, wearable version and in USB powered

version, with medical grade galvanic isolation

from the computer for safety and low

interferences.

Neurobit Optima+ models include extension port

for extra modality sensors: BVP, nIR HEG and pIR

HEG. It also allows to add new digital sensors in

the future.

Neurobit Optima+ 4 models are also equipped

with EEG cap interface, with configurable

connections between measurement channels and

10-20 system cap. It facilitates quick QEEG

assessments and multi-site EEG trainings.

All Neurobit Optima(+) devices have built-in tests of

electrode-skin impedances and circuit continuity.

All channels have individual reference inputs, with

connections to reference configured in software.

High amplifier parameters and configurable filters

of power mains noise (50 Hz | 60 Hz | off)

increase immunity to external interferences.

The equipment works with many software

applications (including some freeware) for flexible,

real-time signal processing, visualization, and

storage. Neurobit API allows to integrate new

software with any Neurobit device.

Our products are made in European Union.

Instruction manual - Neurobit Optima(+) - Release 1.0.2

Product features

model

NO-2 BT

NO-2 USB

NO+2 BT

NO+2 USB

NO+4 BT

NO+4 USB

product code

101011

101012

101013

101014

101021

101022

data link

Bluetooth

isolated

USB

Bluetooth

isolated

USB

Bluetooth

isolated

USB

power

batteries

number of versatile

channels

built-in impedance

tests

√

software setup of

reference inputs

√

selectable frequency

characteristics

√

selectable time

constants, incl. DC1

√

configurable filter of

power mains noise

√

active shielding option

√

main supported modalities

EEG

√

sEMG

√

ECG

√

EOG

√

GSR

√

HRV

√

SCP

√

RESP2

√

breath air flow

√

skin temperature

√

nIR HEG3

√

pIR HEG3

√

BVP (PPG)3

√

extension port

√

additional channel

for digital sensors4

√

EEG cap interface5

√

belt clip to wear

√

indicators of power,

link and signal states

√

interoperation with

many computer

applications6

√

remote firmware

upgrade

√

application program-

ming interface (API)

√

CE mark

√

Notes:

1DC coupling available for the highest voltage range

2measurement of respiratory effort with a belt

3in channel A, via EXT port

43rd or 5th channel; currently it enables marking events with a button

5with software setup of connections between 4 channels and the cap electrodes

6BioExplorer, BioEra, BrainBay, Mind-Body Training Tools, Neurobit Recorder and more

Instruction manual - Neurobit Optima(+) - Release 1.0.2

3. The basics of usage

Power

Neurobit Optima(+) BT devices

These devices are powered by 2 alkaline or rechargeable Ni-MH (nickel metal hydride) batteries of

AA (R-6) size.

„Ordinary” (zinc-carbon) batteries should not be used, as they have low durability and

threaten with the leakage of the electrolyte. Moreover, alkaline batteries should not be used

after their use-by date.

Inserting the batteries: Slightly press an arrow on battery compartment lid with the thumb and pull it

out. Correct polarity is depicted with a sticker on the bottom of the compartment. Put in a battery

with positive pole turned down, push it to metal contact in the enclosure, next squeeze in the

negative pole end. Repeat the procedure for the other battery. Draw the compartment lid.

Removing the batteries: Slide end of small, flat screwdriver between batteries and gently lever one of

the batteries near its negative pole end. Remove this battery. Repeat the procedure for the other

battery.

If the device will not be used for long time, batteries should be taken out.

The device cannot be powered by AC adapter or any other device connected to mains power

network.

Neurobit Optima(+) USB devices

These devices are powered from USB.

When the device is connected to the active USB line, but turned off, the Link indicator shines red. If

the device will not be used for a long time, it is recommended to disconnect its USB cable.

All devices

The device is turned on or off with short pressing of the On/off field on the front. After turning on

the Power indicator should light green.

REMARK: When the device remains idle (no communication with the computer), after 5 min. it

automatically turns off in order to save power.

Data link

Neurobit Optima(+) BT devices

These devices communicate wirelessly with a computer, using Bluetooth standard of radio

transmission (of low emission). It gives more freedom to choose a place in a room.

Most portable computers are equipped with internal Bluetooth port. For desktop machines the

Bluetooth adapter (protocol ver. 2.0 or higher, class 1 or 2) to USB port is required.

HINT: a Bluetooth adapter should use Bluetooth drivers from Microsoft (available in the system).

Drivers from other manufacturers (such as BlueSoleil) may not be fully compatible with Microsoft

software, not allowing to connect Neurobit Optima(+) device.

Instruction manual - Neurobit Optima(+) - Release 1.0.2

Before the first use turn on Neurobit Optima(+) device, place it near your computer (or its Bluetooth

adapter) and add the device to the list of Bluetooth devices paired with your computer. For example,

in Windows 10:

1. In the Windows menu select the Settings icon and next click the group Devices.

2. Click or press the button “Add device”, and next “Bluetooth”.

Bluetooth devices detected in the vicinity (and not paired yet) will be listed within a few

dozen seconds. Wait until there appears “Neurobit Optima*”. Select that device.

3. In the PIN field enter device pairing code: 0000. Click or tap the Link button.

Neurobit Optima(+) USB devices

These devices are connected to a computer with USB 2.0 cable (having male A plug on one end and

micro B male plug on the other end). The ISOL USB port in the device provides galvanic isolation of

the measurement circuits from the computer for safety and noise reduction.

Before the first use connect the computer to the device and turn it on. The computer will detect the

device and install necessary drivers for its USB module. The setup is automatic in recent Windows

systems. Older ones may require manual setup of drivers from the FTDI website:

https://www.ftdichip.com/Drivers/D2XX.htm

Signaling

Neurobit Optima(+) is equipped with multilevel sound and visual signaling of operation states, giving

high degree of control.

Sound signals

single short sound

- normal state change (e.g. turning on the

power);

a little longer single sound

- warning of potential problem (e.g.

measurement artifact or disturbed data link);

triple sound repeated every 5 sec.

- serious problem (e.g. lasting lack of

connection to a computer or flat batteries);

triple sound repeated every 2.5 sec.

- failure.

HINT: Sound signaling during measurement session can be turned off in the device settings (see the

option Silent mode on p. 22).

Instruction manual - Neurobit Optima(+) - Release 1.0.2

Device indicators

Further information about operational state is passed on by indicators on the device front plate:

Power - status of batteries:

odoes not shine - the device is off,

ogreen - the device is on, the power supply is fine,

oyellow - weak batteries (in Bluetooth devices).

Please prepare new alkaline batteries or charged spare NiMH batteries.

oflashing red - flat batteries (in Bluetooth devices).

The device will automatically turn off in a while. Batteries should be replaced.

Link - status of data link:

odoes not shine - link with a computer not established.

It is a normal state directly after turning the Bluetooth device on. The link is usually

established only at measurement or test stage. For USB devices the link is

established as soon as power is on.

ogreen - link is established and correct,

oyellow - link disrupted.

It usually indicates, that the Bluetooth device crosses a border of wireless

communication range. If distance between the device and the computer decreases

quickly, the link will recover and measurement session will continue. (When link

pause exceeds 60s, the session ends.)

ored flashing regularly - lasting link loss during data transmission.

Turn off the Bluetooth device, place it closer to the computer and turn it on again.

Measurement session should be restarted.

continuous red - USB device turned off, but connected to active USB line

Signal - status of measurement signals:

odoes not shine - no measurement,

ogreen - correct measurement,

oyellow - no signal.

This state is indicated, when signal level in at least one active measurement channel

is many times lower than measurement range for long time.

For some signals such a situation may normally occur from time to time. However, if

that state appears often or all the time, it may be caused e.g. by short circuit of

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