OPERATING INSTRUCTIONS
actiCAP Xpress
Product revision 01
Caps
actiCAP Xpress | Operating Instructions
Imprint
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The reproduction, distribution and utilization of this document as well as the communication of its contents to
others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All
rights reserved in the event of the grant of a patent, utility model or design. Subject to change without notice.
For the latest version of this document, please visit www.brainproducts.com or contact your local distributor.
Published by Brain Products GmbH
Zeppelinstrasse 7
82205 Gilching
Germany
Published on
© 2019 Brain Products GmbH
22/07/2019
*Valid until publication of a new version of this document.
Phone: +49 (0) 8105 733 84 - 0
Fax: +49 (0) 8105 733 84 - 505
Web: www.brainproducts.com
Document version 005
Table of Contents
About this document...................................................................................................... 3
About the product .......................................................................................................... 6
Safety information ....................................................................................................... 10
1 The system at a glance...................................................................................... 14
1.1 Scope of delivery .................................................................................... 14
1.2 Explaining the electrodes ........................................................................ 15
1.3 Explaining the electrode caps.................................................................. 17
1
2 Before you begin ............................................................................................... 20
2.1 Check the scope of delivery ..................................................................... 20
2.2 Identify your products ............................................................................. 21
2.3 Select a cap ............................................................................................ 22
2.4 Configure the cap.................................................................................... 22
2.5 Prepare the electrodes ............................................................................ 23
2.6 Insert the electrodes into the cap ............................................................ 24
3 Using the product.............................................................................................. 26
3.1 Put on the cap......................................................................................... 26
3.2 Connect the cap to the amplifier .............................................................. 28
3.3 Perform a test run ................................................................................... 29
3.4 Adjust the electrodes .............................................................................. 30
3.5 Improving the signal quality .................................................................... 32
3.6 Settings in the Recorder workspace ......................................................... 34
4Cleaning the product......................................................................................... 35
4.1 Quick clean the product .......................................................................... 36
4.2 Fully clean the product ............................................................................ 37
4.3 Disinfect the cap ..................................................................................... 39
4.4 Rinse the cap .......................................................................................... 40
4.5 Storing the product ................................................................................. 41
5 Maintenance and Disposal ................................................................................ 42
5.1 Maintenance........................................................................................... 42
5.2 Disposal ................................................................................................. 42
6 Troubleshooting................................................................................................ 43
6.1 Troubleshooting charts ........................................................................... 43
6.2 Replace a faulty electrode ....................................................................... 44
6.3 Disassemble/assemble the ear clips ....................................................... 48
Appendix A Technical data ........................................................................................ 49
Appendix B Configuration sheet................................................................................. 50
2
About this document 3
About this document
This document describes how to use actiCAP Xpress and how it is integrated into a measurement
setup. This document forms an integral part of the product. It must be precisely adhered to in order
to ensure that the product is used as intended and operated correctly to guarantee the concomitant
safety of test subjects, users and third parties. Keep this document in a safe place and make sure
that it is always available to the users.
No part of this document may be reproduced or distributed in any form without the express written
permission of Brain Products. The operator may print this document to make it available for the users of the product.
Make sure that you have the most recent version of this document for your product or product revision. You can find the most recent version on our website: https://www.brainproducts.com
.
Target group of this document
This document is intended for users in the psychological and neurophysiological research area as
well as physicians and medical experts with experience in performing physiological data acquisition. Staff must also know how to work safely and reliably with the permitted amplifier and the associated recording software.
Structure of this document
This document is divided into the following chapters:
Chapter 1: Overview of the product and basic functionalities.
Chapter 2: Preparing the product.
Chapter 3: Using the product.
Chapter 4: Cleaning the product.
Chapter 5: Maintenance and disposal.
Chapter 6: Troubleshooting.
About this document 4
!
NEW
Conventions in this document
Typographical conventions
Bold indicates items on the user interface (menus, buttons, switches, connectors,
options) and is used for emphases in the text
Italic indicates titles of dialog boxes/tabs, file locations and is used to indicate
product names
Underscore
Monospaced indicates text or characters to be entered at the keyboard
indicates cross-references and web addresses
Symbols
Caution: This symbol indicates that incorrect use of the product(s) may result in a
personal injury to the test subject, the user and/or a third-party. Failure to observe
the information in this document constitutes incorrect use.
Notice: This symbol indicates that the incorrect use of the product(s) may bring
about a risk of damage to property. Failure to observe the information in this document constitutes incorrect use.
Note or Tip: This symbol draws your attention to important information relating to the
current topic and to recommendations on how to use the product(s).
Cross-reference: This symbol indicates a reference to a related chapter, section or
document.
New: This symbol indicates changes or new content at this point.
Revision history
page . . . .status . . . . . subject
7 new RoHS compliance statement added
9 new RoHS compliance statement added
About this document 5
Reporting errors and support
We would ask you to report without delay any error you find in this document, any fault on the products or any malfunction that you observe when using this product. To do so, please contact your local dealer, who will also assist you in general questions about the product.
About the product 6
About the product
In order to record EEG over a wide frequency range and to gather high quality data, gel electrodes
are considered as the gold standard. However, preparing electrodes and the electrode cap is usually a time-consuming procedure when performing EEG-measurements. An off-putting drawback for
many test-subjects is the fact that gel remains in the hair and has to be washed off after the measurement.
The electrodes and cap of actiCAP Xpress were tailored for ease of application and optimum contact
between the electrode and scalp in order to remove the necessity of electrode gel. With the flexible
cap and the mushroom-shaped electrodes it is easy to establish good electrode contacts. The exceptional feature, however, is the adjustable electrode length, that allows adapting the cap to any
head geometry - even while a test subject is wearing the cap.
User and test-subject comfort were the focus of the development. In practice, the preparation time
is significantly abridged, since it is not necessary to treat the scalp with abrasive gel, for example.
Also, the time spent on cleaning is shorter, because no gel remains in the hair, on the skin or on the
electrodes after the measurement.
The use of ‘active’ electrodes allows recording with higher contact impedances, while minimizing
ambient noise, electrical interferences, and cable motion artifacts. actiCAP Xpress provides the
best results in a frequency range of 1-40 Hz. Narrower ranges can improve the results, if the application allows.
Although actiCAP Xpress was designed for applications entirely without electrode gel, it can also be
used with very small amounts of gel. This can enhance the signal quality, however, does not lead to
unpleasant residuals of gel in the hair or on the skin.
Product identification
NEW
About the product 7
Product
actiCAP Xpress
designation
Article number BP-130-1050 actiCAP Xpress Set
Manufacturer Brain Products GmbH
Zeppelinstrasse 7
82205 Gilching
Germany
Tel.: +49 8105 73384 – 0
Fax: +49 8105 73384 – 505
Website: https://www.brainproducts.com
Email: techsup@brainproducts.com
CE marking The Brain Products GmbH confirms the electromagnetic compatibility
(EMC) of this product according to the Directive 2014/30/ EU of the
European Parliament and of the Council of 26 February 2014 on the
harmonisation of the laws of the Member States relating to electromagnetic compatibility.
The Brain Products GmbH confirms the RoHS compliance of this product according to Directive 2011/65/EU of the European Parliament and
the Council of 8 June 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment (recast published in the Official Journal of the European Union on 1 July 2011) as
well as all its amendments up to and including the Commission delegated directive (EU) 2015/863 of 31 March 2015 (published in the 0fficial Journal of the European Union on 4 June 2015).
Warranty https://www.brainproducts.com/contact.php
Combinations with other products
actiCAP Xpress is permitted to be combined with the following products:
Product Manufacturer
About the product 8
V-Amp
a
Brain Products GmbH
BrainVision Recorder (as of version 1.21) Brain Products GmbH
a. V-Amp II, with 16 channels and 40-pin connector.
In addition to this general overview of the permitted combinations, users must also check that all
the conditions applicable to the product in question are fulfilled for the specific combination and
specific application (definition of purpose and intended use).
If the user combines products other than those listed here then the user is responsible for ensuring
the safety of test subjects, operating personnel and the environment. If the product data does not
immediately make it clear that products can be combined (connected) without danger then the user
must contact the relevant manufacturers to ensure that the required safety of all the products involved is not compromised by the intended connection.
Markings on the product
NEW
The name and address of the manufacturer are specified next to this label.
The Brain Products GmbH confirms the electromagnetic compatibility (EMC) of this
product according to the Directive 2014/30/ EU of the European Parliament and of
the Council of 26 February 2014 on the harmonisation of the laws of the Member
States relating to electromagnetic compatibility.
The Brain Products GmbH confirms the RoHS compliance of this product according
to Directive 2011/65/EU of the European Parliament and the Council of 8 June 2011
on the restriction of the use of certain hazardous substances in electrical and electronic equipment (recast published in the Official Journal of the European Union on
1 July 2011) as well as all its amendments up to and including the Commission delegated directive (EU) 2015/863 of 31 March 2015 (published in the 0fficial Journal
of the European Union on 4 June 2015).
About the product 9
Observe the operating instructions.
MR Unsafe: Products with this symbol are not safe for use in an MR environment
This symbol indicates that defective products must not be disposed of with household waste. Dispose of in accordance with national regulations or return the product and its accessories to the manufacturer.
Safety information 10
Safety information
Please read the following safety information carefully since it helps to prevent personal injury and
damage to property. It is assumed that you have the required specialist knowledge in handling the
product and accessories.
Brain Products will not accept any liability for loss or damage resulting from a failure to follow these
operating instructions and, in particular, the safety instructions.
Intended Use
actiCAP Xpress is intended to be used for acquiring neuro-/electrophysiological signals (e.g. EEG,
EOG). It may be used in the context of non-medical applications in order to carry out fundamental or
applied research on the basis of neurophysiological methodology and data. Use of actiCAP Xpress
for diagnosis, therapy, monitoring of vital physiological processes (such as cardiovascular functions etc.) or other medical purposes is expressly forbidden.
Correct Use
actiCAP Xpress must only be used:
by personnel in the psychological and neurophysiological research area as well as physicians
and medical experts.
in hospitals, clinics, other medical environments, research institutes and other non-medical en-
vironments (e.g. at home), provided that all the other stipulations regarding the correct use are
met and that the products are used in accordance with their intended use.
to record neuro-/electrophysiological signals from healthy adults and children aged 6 years and
above.
actiCAP Xpress must not be used:
by unqualified persons (e.g. laymen), and persons who cannot read (e.g. due to visual impair-
ment) or understand (e.g. due to a lack of language skills) the operating instructions.
on sick children and adults
on animals.
Safety information 11
Irrespective of any liability on the part of the manufacturer, the relevant national stipulations for operators and other relevant national legislation must be observed.
The user is solely liable for any risks to test subjects associated with the investigation if the product
is not used in accordance with the correct use.
Caution
Risk of injuries to the scalp or head
If sudden high pressure is applied to the QuickBits while a test subject is wearing the
cap, the QuickBits can cause injuries to the scalp or head of the test subject.
Therefore, actiCAP Xpress must not be used on people who:
suffer from imbalance or disorientation
have been diagnosed with epilepsy
are in free movement (for example, zero gravity, parachuting)
are using a means of transport (for example, car, bus)
are doing sports while wearing the cap
are aged 0-6
have scalp lesions of any nature (injuries, furuncles)
General precautions
Don’t use in the following environments:
MR scanner environment.
in the vicinity of explosive gases as may be the case in operating theaters, for ex-
ample.
in oxygen enriched atmospheres.
under water (e.g. sea, swimming pool, bath tub) or in environments in which signif-
icant amounts of water could enter the product (e.g. under shower, under watertap).
Handle with care
Don’t crush or kink cables.
Don’t unplug connectors by pulling on their cables.
Don’t disconnect the electrodes from their holders by pulling on their cables.
Safety information 12
About the QuickBits
The QuickBits are gold-plated. Gold is a common electrode material due to its favorable properties
and is considered very skin-friendly. If there are signs of a contact allergy (e.g. skin irritation, itching), remove the actiCAP Xpress immediately and cancel the investigation.
1
The QuickBits do not contain Nickel and comply to the RoHS
To avoid discoloration, take note of the following:
The QuickBits must not come into contact with acidic cleaning agents (for example, citric acid).
Fully clean the product after it has come in contact with a large amount of sweat.
If the QuickBits show signs of discoloration (green, blue, dark spots) immediately replace them.
1. Restriction of Hazardous Substances
II directive 2011/65/EU.
Safety information 13
Data acquisition
During operation, keep a distance of at least 3 meters from cell phones or similar transmitters, other
sources of high-level interference such as microwave and x-ray equipment or similar.
The user is responsible for the appropriate measurement setup and the quality of the recorded data.
If you have any questions concerning the recording and the quality of data acquisition, please contact your local dealer.
1 The system at a glance
1.1 Scope of delivery
14
CAP
BP-230-1050 (size L)
BP-230-1060 (size XL/L)
Accessories Application Suite DVD
Electrodes
BP-135-9000
BP-270-6000
1 The system at a glance 15
1.2 Explaining the electrodes
The system consists of 16 active electrodes, a ground electrode and reference electrode.
No. Description
1 Ground electrode (passive), black body with ear clip
2 Reference electrode (active), blue body with ear clip
3 Cable guides with hook-and-loop pad
4 Data electrodes (active), gray body
5Splitter box
The electrodes (1) touch the scalp through QuickBits (2). These
are clipped onto the electrodes and can be replaced.
Note: Don’t use the electrodes without QuickBits.
1 The system at a glance 16
Long QuickBits are available in four different lengths. You can
easily distinguish the different lengths by the help of color marks.
Flat QuickBits are mainly used at hairless positions, for example
the frontopolar positions Fp1, Fp2 and Ground. They are also
used for the reference and ground electrodes together with the
ear clips.
blue, 8 mm
green, 10 mm
yellow, 12 mm
red, 14 mm
10 mm
1.3 Explaining the electrode caps
1 The system at a glance 17
No. Description
1 Elastic textile cap with colored seams
2 30 electrode holders with number labels
3Chin belt, detachable
4 Hook-and-loop pads to attach the cable guides
1.3.1 Used cap layout
The cap layout basically follows the 10-20 system. The actual electrode positions, however, do not
precisely match the 10-20 layout.
The positions of the electrode holders are optimized for use with OpenVIBE. If your application demands, you can easily set the electrode holders to different positions in the cap. For more information on OpenVIBE please refer to the manual section on the Application Suite DVD or contact your
local distributor.
1 The system at a glance 18
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Figure 1-1. Cap configuration with 30 holders (gray positions)
1.3.2 Available cap sizes
The caps are available in the following sizes (highlighted caps are supplied).
Size Head circumference Intended for... Seam colors
M 48-54 cm (19-21 in.) children, adolescents, women red
L/M 51-57 cm (20-22.5 in.) adults blue/red
L 54-60 cm (21-23.5 in.) adults blue
XL/L 57-63 cm (22.5-25 in.) adults white/blue
XL 60-66 cm (23.5-26 in.) adults white
The cap size is indicated on a label in the cap and can also be determined by the seam colors.
Figure 1-2. Seam colors of the cap
Note: The majority of adults have a head circumference of 54 to 60 cm. Always make
sure that the cap is correctly positioned on the test subject’s head.
1 The system at a glance 19
2 Before you begin
2.1 Check the scope of delivery
The components listed below are included in the scope of delivery. We recommend that you make
yourself familiar with the product before using it for the first time.
Contact your local dealer, if the delivery is not complete or if the product is damaged.
20
Designation
Electrode caps, L and XL/L, with 30 electrode holders each 2
Set of electrodes, with ground and reference electrode (and ear clips) (if applicable)
Electrode holders 5
Number labels 4
QuickBit flat 4
QuickBit long, 8 mm (blue) 8
QuickBit long, 10 mm (green) 8
QuickBit long, 12 mm (yellow) 8
QuickBit long, 14 mm (red) 8
USB stick (configuration sheet and demo video) 1
Brush, with cover 1
Electrode gel 1 container
Amount
1
Brain Products Application Suite DVD 1
2.2 Identify your products
>
ϱϰͲϲϬ
You can identify the caps and electrode system as follows:
Electrode set
Compare the number on the splitter box with the
number on your delivery note.
2 Before you begin 21
Caps
Size and head circumference (in centimeters) printed on the cap or on a label.
Size information by the seam colors.
Seam color Size Head circumference
red M 48-54 cm (19-21 in.)
blue/red L/M 51-57 cm (20-22.5 in.)
blue L 54-60 cm (21-23.5 in.)
white/blue XL/L 57-63 cm (22.5-25 in.)
white XL 60-66 cm (23.5-26 in.)
2 Before you begin 22
2.3 Select a cap
There are two caps in the scope of delivery, that are suitable for most adults. Contact your local dealer, if you need other cap sizes (see also section Available cap sizes
Prepare
- Measurement tape
1 Measure the circumference of the test subject’s head.
2 Select a cap that matches the circumference.
Example: If the subject’s head circumference is 57 cm then use the L cap (54-60 cm) instead of
XL/L (57-63 cm).
).
2.4 Configure the cap
The cap is configured and the layout basically follows the 10-20 system. The actual electrode positions, however, do not precisely match the 10-20 layout. You can reposition holders and add spare
holders, to change the cap layout. For the original layout refer to Used cap layout
Prepare
- inner sleeve
- number label
- transparent ring
1 Insert the inner sleeve from the inside of the cap.
2 Attach the number label.
3 Put the transparent ring onto the sleeve.
.
Electrode holders must sit very tight on the cap.
2 Before you begin 23
2.5 Prepare the electrodes
When selecting the QuickBits take the hair type and head shape of the test subject into account.
Selecting the correct QuickBit
Thin hair: blue and green QuickBits
Normal hair: green and yellow QuickBits
Strong, dense hair: yellow and red QuickBits
Flat QuickBits: frontopolar (Fp1, Fp2 and ground) and hairless positions
Prepare
-Electrodes
- long QuickBits and flat QuickBits
Long QuickBits
Flat QuickBits
1 Push the QuickBit onto the electrode pin as far as it will go. Don’t
use excessive force.
2 Insert the electrodes into the cap.
1 Insert the electrode into the cap.
2 Push the flat QuickBit onto the electrode as far as it will go. Don’t
use excessive force.
2 Before you begin 24
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2.6 Insert the electrodes into the cap
When you first use the product, no electrodes are inserted into the electrode cap.
Prerequisites
- The subject must not wear the cap.
1 With one hand, firmly hold the electrode holder.
2 With the other hand, push the electrode into the holder as far as
it will go.
2.6.1 Positions of the electrodes in the cap
The cap layout basically follows the 10-20 system. The actual electrode positions, however, do not
precisely match the 10-20 layout.
2.6.2 Inserting the ground and reference electrodes
The ground and reference electrodes are color-coded.
Ground electrode (black): Insert into the ear clip.
Reference electrode (blue): Insert into the ear clip.
For details refer to Put on the cap
2 Before you begin 25
.
3 Using the product
3.1 Put on the cap
When setting the cap on the test subject’s head pay attention to the correct positioning of the cap.
Use the cap only on subjects with intact skin.
Prepare
- Electrode cap
not connected to amplifier and
quickly cleaned (Quick clean the product
)
26
1 Correctly position the cap.
2 Use the chin belt to fasten the cap.
3 Attach the reference and ground electrodes to the earlobes.
Note: Degrease the earlobes first. You can also apply a small
amount of gel to the earlobes.
4 Wiggle gently on each electrode to move the hair aside and slightly
roughen the scalp.
5 Attach the cable guides to the hook-and-loop pads on the cap to
JURRYH
FOLFN
avoid motion artifacts.
6 Attach the splitter box to the cap by using the crocodile clamp(s).
Alternatively, attach it to the clothes of the subject.
Note: If you want to reposition the cable guides, slide them
along the cables or open and move them. When sliding the
white cable guides, don’t pull on the cables. Otherwise electrode cables will be damaged or disconnected from the splitter box.
3 Using the product 27
3 Using the product 28
3.2 Connect the cap to the amplifier
Connect the cap when the subject is wearing it. Don’t connect it before you put on the cap, because
you could accidentally pull on the amplifier, which then might fall.
Prerequisites
- subject is wearing the cap
- EEG amplifier
Connect the splitter box of the cap to the EEG amplifier.
Start Recorder and setup your workspace for the measurement.
Connecting the electrode cap
Please refer to the operating instructions of your amplifier, for more information on
how to connect the electrode cap.
3 Using the product 29
3.3 Perform a test run
Perform a test run to confirm, that all channels show satisfying EEG signals.
Prerequisites
- Test subject prepared
- Cap connected to amplifier
1 Open Recorder and select your amplifier.
Note: If you are using BrainAmp select Configuration > Preferences
> tab Passive / Active Electrodes > Use actiCAP ControlBox.
2 Set up a workspace.
You can find workspaces on the Application Suite DVD or the provided USB stick.
3 Click the button Start Monitoring .
4 Check the signals of all channels.
If the quality of the signals is not as expected, improve the elec-
trode contacts (refer to Section 3.5
).
Checking the impedances
The impedances of dry electrodes are generally high. Therefore, you do not need to measure the impedances.
3 Using the product 30
3.4 Adjust the electrodes
CAUTION
Risk of injuries
Pushing the QuickBits against the scalp can hurt the scalp of the subject.
While a subject is wearing the cap:
don’t use force.
don’t let hair get caught in the electrode holder.
Lift the electrode holder when changing a QuickBit or inserting an electrode.
Make sure, that the tension on the electrodes is evenly distributed. High pressure on the electrodes
can cause pain to the subject.
1 Ask the subject, if individual electrodes cause pain.
2 Check if some electrodes clearly protrude the cap.
These electrodes have a higher pressure on the scalp.
3 Replace long QuickBits by shorter ones.
To remove the electrode lift the holder with one hand and pull
the electrode from the holder with the other hand.
Change the QuickBit.
To insert the electrode lift the holder with one hand and insert
the electrode as far as it goes.
4 Adjust the pressure of flat QuickBits.
Pull out to reduce the pressure.
3 Using the product 31
Push in to increase the pressure.
5 Lightly pull on each electrode, to check if it contacts the scalp.
If it is yielding the QuickBit it too short. Change the QuickBit
Observe the signal quality after adjusting the pressure.
3 Using the product 32
3.5 Improving the signal quality
Depending on the hair type, hair growth, head shape and nature of the scalp, the electrode contact
can be weak, resulting in artifacts or noise. Use the following techniques to improve the contact.
3.5.1 Clean the skin
Degrease the skin at the ground and reference electrodes and a data electrode.
Prepare
-Cotton swab
- Skin-friendly disinfecting spray
1 Moisten the cotton swab with disinfectant.
2 Clean the skin while checking the signal quality.
Start with the ground electrode and reference electrode (if applicable) and a data electrode.
The signal quality improves.
You can repeat this procedure or clean the skin at other positions.
3.5.2 Remove hair
Check if hair is between the electrode and the scalp. Remove hair by using the following methods:
circular motion slight wiggling tilting
3 Using the product 33
!
3.5.3 Apply gel
NOTICE
Damage to the QuickBits
When you apply gel to the QuickBits, don’t let it dry in. Dried in gel is hard to remove
and you can damage the QuickBits when rubbing off the residues or when soaking the
QuickBits in water.
Immediately after use, wipe off all gel residues from the QuickBits.
You can apply a small amount of gel to some electrodes, if the signal quality has not improved after
degreasing the scalp.
Prepare
-Gel
- Brush (both items are supplied)
1 Remove the cap from the brush and dip the brush slightly into the
gel.
2 Apply the gel on the QuickBit.
First apply the gel to the reference and ground electrodes and a
data electrode (for example, Fp1 or Fp2).
Check, if the signal quality has improved. You can apply gel to other
data electrodes.
3 Using the product 34
3.6 Settings in the Recorder workspace
There are no specific settings for actiCAP Xpress Twist in the recording software. For the display, you
can change the settings of the Display Filters:
Low Cutoff Filter
1Hz
High Cutoff Filter
40 Hz
If your application allows, you can even set a narrower bandpass filter (high and low cutoff filters).
Notch Filter
It is recommended to use a notch-filter (50 Hz or 60 Hz), in order to filter mains noise.
Note: Do not set a Raw Data Saving Filter. Only use a display filter while recording. You
can apply a bandpass filter (high and low cutoff filters) in the analyzing software.
4 Cleaning the product
!
NOTICE
Damage to the system by wrong cleaning
Don’t use hot or boiling water
Don’t sterilize
Don’t soak in alcohol based cleaning agent
35
Damage caused by liquids
No liquids must penetrate the splitter box.
Don’t allow electrical connectors to come into contact with liquids.
Damage by using tools
Don’t use sharp-edged items when handling actiCAP Xpress. Removing electrodes and
QuickBits must only be done by hand. Otherwise parts will be damaged.
4 Cleaning the product 36
4.1 Quick clean the product
To shorten the preparation time for the successive subject, do a quick clean. Leave the cap and electrodes assembled.
Prepare
- Disinfecting spray
- Soft, lintless cloth
- Electrode cap (fully assembled)
1 Turn the cap inside out.
2 Apply disinfecting spray onto the cloth. Don’t apply the spray di-
rectly on the electrodes.
3 Wipe the inside of the cap and the QuickBits.
4 Also clean the reference and ground electrodes in the ear clips.
Remove all residues. If necessary, fully clean the cap.
Make a note of the cap configuration
For test subjects who will repeatedly participate in your study you can make a note of
the cap configuration by using the configuration sheet (see Appendix B on page 50
and on the provided USB stick). This will notably shorten your preparation time.
4 Cleaning the product 37
!
4.2 Fully clean the product
NOTICE
Damage to the electrodes and QuickBits by water
If you use water for cleaning water could remain in the parts. The QuickBits and electrode pins can corrode.
Don’t submerge the QuickBits and electrodes in water.
Fully clean the cap after it has come in contact with large amounts of sweat, for example.
Prepare
- Disinfecting spray
- Bowl with luke warm water (~ 32 °C / 90 °F) and baby shampoo
- Clean, lintless towel
- Soft tooth brush
1 Remove the electrodes from the cap.
2 Pull the QuickBits from the electrodes.
3 Disassemble the ear clips.
a Pull the electrode from the ear clip.
b Open the ear clip and remove the flat QuickBit.
c Remove the transparent sleeve.
4 Moisten the towel with disinfecting spray and wipe off any residue
from each QuickBit and electrode.
5 Submerge the cap with the holder attached in the bowl with the
warm water and baby shampoo.
4 Cleaning the product 38
6 Rinse the cap with clean water. (See Rinse the cap.)
Only reassemble when the cap is dry.
Notes on cleaning
Only hand-wash the cap.
Don’t use hot or boiling water. The water temperature must not exceed 50 °C
(122 °F).
Don’t leave the cap in the cleaning solution.
Only use soft tools to remove residues.
4 Cleaning the product 39
4.3 Disinfect the cap
You can disinfect the cap if necessary. Do not disinfect the electrodes or QuickBits.
Prepare
- Plastic bowl
- Disinfectant that is suitable for electrode caps
- Protective gloves and goggles
-Clean, dry towel
1 Remove the electrodes from the cap. Don’t remove the electrode holders.
2 Pull on the protection gloves and goggles.
3 Prepare the disinfecting solution in the lowest operative concentration.
4 Put the cap in the solution.
5 Leave the cap in the solution as long as specified by the manufacturer of the disin-
fectant.
6 When the time is up, remove the cap from the disinfectant.
7 Rinse with clean water (see Rinse the cap
The disinfectant liquid must be fully washed off of all parts.
Note: Please contact your local distributor for further instructions on disinfecting the
product.
).
4 Cleaning the product 40
4.4 Rinse the cap
Rinse the cap to remove all residuals of the disinfecting or cleaning agents.
Prepare
- Plastic bowl
-Clean, dry towel
- If you used disinfectant: Wear protective gloves and goggles.
1 Remove the electrodes from the cap. Don’t remove the electrode holders.
2 Fill the bowl with clean, warm water (~ 32 °C/90 °F) from the tap.
Don’t use hot or boiling water.
3 Submerge the cap in the water.
4 Agitate the cap in the water for about one minute.
5 Drain the water from the bowl.
6 Repeat the rinsing and draining at least two more times.
7 Remove the cap from the bowl.
Remove excess water from the cap by slightly pressing the cap with your hands.
8 Put the cap onto the clean, dry towel and leave to dry.
Only reassemble when the cap is dry.
4 Cleaning the product 41
4.5 Storing the product
Store in a dark, dry place at room temperature. Use the original packaging for storing the product.
Heat, direct sunlight (UV radiation), humidity, dust and dirt can shorten the service life of the product.
Ambient conditions for transport and storage
Temperature range: -35 °C to 65 °C (-31 °F to 149 °F)
Rel. humidity: 30 % to 90 %
Atmospheric pressure range: 700 hPa to 1,050 hPa
5 Maintenance and Disposal
5.1 Maintenance
actiCAP Xpress requires no maintenance. Regularly inspect the product and accessories for damage
and check that the connections are clean. In the event of defects, please contact your local dealer
for returning a defective product to Brain Products.
42
5.2 Disposal
Dispose of the product, accessories and cables in accordance with the applicable legislation. In the
EU and EFTA, the WEEE Directive 2002/96/EC on Waste Electrical and Electronic Equipment applies.
In Germany, for example, the ‘ElektroG’ additionally governs electrical and electronic equipment.
Do not dispose of your product, accessories and cables with ordinary household waste.
On request, Brain Products will take back your old product, provided that they are original Brain
Products parts.
6 Troubleshooting
6.1 Troubleshooting charts
Symptom Possible cause Remedy
43
Noise on all channels
Impedance of ground or ref-
erence electrode too high.
Ground or reference elec-
trode broken.
All channels show the same
signal
Impedance of ground or ref-
erence electrode too high.
Ground or reference elec-
trode broken.
Subject reports pain Pressure of QuickBits against
the scalp is too high.
Pulse artifacts Electrode is placed on an
artery.
No signal on one electrode
No contact.
Electrode broken.
Minimize the impedance of
the ground or reference
electrode.
Replace the faulty ground
or reference electrode.
Minimize the impedance of
the ground or reference
electrode.
Replace the faulty ground
or reference electrode.
Reduce the pressure of the
QuickBits.
Pulse artifacts are stronger
with dry electrodes than they
are with gel electrodes. If you
detect pulse artifacts, move
the concerned electrode.
Make sure that the elec-
trode contacts the scalp.
Clean and roughen the
scalp.
Replace the electrode.
QuickBits have green or black
spots.
Spots caused by dried in
sweat or aggressive cleaning
agents.
Change the QuickBits immediately and discard the discolored QuickBits.
Note: The QuickBits are free
of Nickel.
6 Troubleshooting 44
!
6.2 Replace a faulty electrode
NOTICE
Replace electrodes at your own risk, you accept responsibility for any damage caused
while following this procedure. If you have any questions please contact our technical
support team.
There are two types of splitter box currently in use, each requires a different method when replacing
a faulty electrode. Examine the back of the splitter box, If there is one screw refer to Replacing elec-
trode in splitter box with one screw, if your splitter box has five screws refer to Replacing electrode
in splitter box with five screws.
6.0.1 Replacing electrode in splitter box with one screw
You can replace a faulty electrode yourself. Use the supplied spare electrodes to replace a faulty
electrode.
Prepare
®
- Crosstip (Phillips
- Replacement electrode (supplied)
- Dry and tidy workplace
) screwdriver
1 Disconnect the actiCAP splitter box.
2 Remove the center screw from the splitter box.
6 Troubleshooting 45
3 Remove the cover.
4 Remove the metal bar at the side of the faulty electrode.
Unscrew the two small screws.
Take note of the orientation.
5 Remove the faulty electrode by using a small tool, for exam-
ple a pen, cotton swab (wooden end), or small screwdriver.
6 Insert the new electrode.
Make sure th at all four pins engage and that th e rubber jacket sits correctly.
7 Set the metal bar with the flat side down on the frame and
fasten the screws.
8 Put the cover on the splitter box and fasten the center screw.
If the EEG curve obtained for an acquisition is very flat,
check if the electrode connector is seated correctly.
6.0.2 Replacing electrode in splitter box with five screws
You can replace a faulty electrode yourself. Use the supplied spare electrodes to replace a faulty
electrode.
Prepare
®
- Crosstip (Phillips
) screwdriver
- Replacement electrode (supplied)
- Dry and tidy workplace
1 Disconnect the actiCAP splitter box.
2 Open the splitter box by unscrewing the five screws on the
3 Remove the splitter box cover.
6 Troubleshooting 46
splitter box cover.
4 Carefully withdraw the faulty electrode. This is best done by
taking a toothpick or screwdriver, for instance, and carefully
removing the front part of the electrode from the splitter
box.
5 Before inserting the new electrode, if your replacement elec-
trode has a rubber sheath slide this further along the cable
as it is no longer required during installation. Do not pull on
the connector as this may break contacts or damage the
metal pins.
6 Carefully insert the new electrode. Ensure that the four met-
al pins engage correctly. If the electrode connector is not
correctly seated in the splitter box then the electrode will
not function correctly.
These images illustrate an electrode that has been incorrectly connected.
7 Replace the cover on the splitter box and secure it with the
five small screws.
If the EEG curve obtained for an acquisition is very flat or it
appears that the replaced electrode is not working as expected, check that the connector is seated correctly (repeat
from step 5 onwards, paying special attention to the procedure described in step 6)
Note: Contact your local distributor for further help.
6 Troubleshooting 47
6.3 Disassemble/assemble the ear clips
!
!
NOTICE
Replace electrodes at your own risk, you accept responsibility for any damage caused
while following this procedure. If you have any questions please contact our technical
support team.
NOTICE
Replace electrodes at your own risk, you accept responsibility for any damage caused
while following this procedure. If you have any questions please contact our technical
support team.
6 Troubleshooting 48
The reference and ground electrodes are attached to the ear lobes by using the ear clips. If required
you can disassemble and reassemble the ear clips.
Prepare
- blue ear clip
- holder for flat QuickBits
- flat QuickBit
- reference and ground electrode
1 Remove the electrode from the ear clip.
2 Open the ear clip and remove the flat QuickBit from the transparent
sleeve.
3 Remove the transparent sleeve from the ear clip.
You can now clean each part of the ear clip.
To assemble the ear clip follow the steps in the reverse order.
Appendix A Technical data
Ambient conditions
Heat, direct sunlight (UV radiation), humidity, dust and dirt can shorten the service life of the product.
49
Operation
Transport and storage
Temperature range: 0 °C to 40 °C (32 °F to 104 °F)
Rel. humidity: 30 % to 90 %, non-condensing
Atmospheric pressure range: 700 hPa to 1,050 hPa
Temperature range: -35 °C to 65 °C (-31 °F to 149 °F)
Rel. humidity: 30 % to 90 %
Atmospheric pressure range: 700 hPa to 1,050 hPa
Appendix B Configuration sheet
Use this sheet to remember which QuickBits you used in which position in case the same subject returns for a
recording.
Fill in the te st s ubjec t’s ID, used ca p size and the color codes of the used QuickBits at the relevant position.
Subject ID
Cap si ze
F10
FT10
FT8
TP1
0
I2
Iz
FCz
Fz
AFz
Fpz
I1
P9
F1
TP8
TP9
TP7
FC3
CP4
C1
F5
CP3
FC4
FC2
F6
F4
F2
F9
AF4AF2AF3
FC5
AF1
AF8
F8
FT9
AF7
F3
FT7
C2
F7
Fp1
Fp2
FC1
FC6
T8C6C4CzC3C5T7
CP5
CP1
CPz
CP2
CP6
O2
PO4PO3 POz
O1
Oz
P3
P1
Pz
P2
P4
P10
PO1
0
P8
PO8
PO2PO1
P6P5
P7
PO7
PO9
A1
REF
GND
A2
REF
GND
50
Note: This configuration sheet is also available as an editable version on the supplied
USB stick.
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