Tobii Pro Nano Manuel utilisateur

Tobii Pro Nano

User Manual

Tobii Pro Nano User Manual

v2.3

December 2022

The information contained in this document is proprietary to

Tobii AB. Any reproduction in part or whole without prior written

authorization by Tobii AB is prohibited.

Products that are referred to in this document may be either trade-

marks and/or registered trademarks of the respective owners. The

publisher and the author make no claim to these trademarks.

While every precaution has been taken in the preparation of this

document, the publisher and the author assume no responsibility for

errors or omissions, or for damages resulting from the use of

information contained in this document or from the use of programs

and source code that may accompany it. In no event shall the

publisher and the author be liable for any loss of profit or any other

commercial damage caused or alleged to have been caused directly

or indirectly by this document.

Content subject to change without notice.

Please visit Tobii Connect for updated versions of this document.

Tobii Pro Nano User Manual v2.3 3

Table of Contents

1 Introduction 5

1.1 Intended use 5

1.2 Symbols used in this document 6

1.3 What’s in the box 6

1.4 How Tobii Pro Nano works 6

1.5 Tobii Pro Eye Tracker Manager 6

2 Safety 8

2.1 Mounting warning 8

2.2 Emergency warning 8

2.3 Epilepsy warning 8

2.4 Infrared warning 8

2.5 Magnetic field warning 9

2.6 Child safety 9

2.7 Electricity 9

2.8 Accessories 9

2.9 Third party 9

3 Software and System Requirements 10

3.1 System requirements 10

3.2 Tobii Pro Nano compatibility — Windows 10

3.3 Tobii Pro Nano compatibility — macOS 10

4 Additional Tobii products & accessories 11

4.1 Additional software options 11

4.2 Compatible accessories 11

5 Set Up Your Tobii Pro Eye Tracker 12

5.1 Download and install Tobii Pro Eye Tracker Manager 12

5.2 Install the eye tracker in Tobii Pro Eye Tracker Manager 12

5.3 Mount the eye tracker on a laptop or monitor 13

5.4 Display setup in Tobii Pro Eye Tracker Manager 14

5.5 Calibration 15

5.5.1 What calibration does 15

5.5.2 Additional information for experienced users 15

5.6 Detach the eye tracker 16

6 Display Setups 17

6.1 Standard setup 17

6.2 Tips for setting up the eye tracker display 17

6.3 Set up with a tripod 17

7 Start Experimenting 19

7.1 Start eye tracking 19

7.2 Tobii Pro Lab 19

7.3 Keep your eye tracker software and display setup updated 19

8 Product Care 21

8.1 Transportation and storage 21

8.2 Cleaning 21

8.3 Disposal of the eye tracker 21

Tobii Pro Nano User Manual v2.3 4

8.4 Limitation of liability 21

9 Technical Specifications 22

9.1 Eye tracking specifications 22

9.2 Setup 22

9.3 Software compatibility 23

9.4 Hardware versions 23

9.5 Tobii Pro Nano eye tracker specifications 23

10 Compliance Information 24

10.1 EU Compliance 24

10.1.1 CE statement 24

10.1.2 Other EU directives and regulations 24

10.2 FCC interference statement 24

10.3 ISED statement 25

10.4 Australia and New Zealand compliance 25

10.5 Korea compliance 25

10.6 Safety compliance 25

10.7 EMC compliance 26

10.8 RoHS compliance 26

10.9 Waste disposal and recycling 26

Appendix A Customer Care, training, and warranty 27

A1 Customer care 27

A1.1 Get help 27

A2 Training and education services 27

A3 Warranty information 27

Appendix B Limitations and considerations 28

B1 Intended use 28

B2 Light conditions 28

B3 Eyelashes 28

B4 Droopy eyelids 28

Appendix C Glossary 29

Tobii Pro Nano User Manual v2.3 5

1 Introduction

Tobii Pro Nano welcomes you to the world of eye-tracking studies. Tobii Pro Nano is a small and

portable eye tracker that you can use for studies on laptops, monitors up to 24ʺ * (16:9), mobile

devices (using the mobile device stand), real-world interfaces, projections, simulators, and TV

screens. It is designed for portability, versatility and ease of use.

Tobii Pro Nano is our smallest, most light-weight research grade eye tracker, featuring the latest

technology advancements from Tobii. The device measures 170 mm (6.69’’) long and weights 59

grams (2.1 oz.), and uses a sampling rate of 60 Hz. The design also serves as an introduction to

extensive studies into human behavior for educational and research purposes.

Use Tobii Pro Nano on:

lWindows and Mac computers with an optimal screen size of up to 24″ * (16:9)

lMobile devices, with our Mobile Device Stand

lReal-world setups like physical objects and social interactions, with the Tripod Stand

lProjections, simulators, and larger screens, with the Tripod Stand

* For larger screens, the limiting parameter is the quality of the gaze accuracy at the upper

corners of the screen when the user sits close to the screen.

1.1 Intended use

Tobii Pro Nano is primarily intended for fixation-based eye tracking studies on Windows and

Macintosh laptops and Windows tablets. The Tobii Pro Nano system has been tested and proven

capable of tracking a large proportion of the population, regardless of gender and ethnicity, with

very high accuracy and precision on portable screens. Its discrete appearance, with fully embed-

ded processing of eye-tracking data, enables flexible and unobtrusive data collection methods.

The eye tracker’s mounting plates enable easy attachment to various screens and the device is

connected via a USB 2.0 port to your Windows or Mac computer.

Tobii Pro Nano is perfect for any researcher who wants to get started with or explore quality eye

tracking as a research method for fixation-based eye tracking studies in:

lPsychology and cognition

lPackage design in marketing research

lUser interface design and development

Tobii Pro Nano is our smallest research-graded eye tracker designed for portable labs doing data

collection in the field:

lMake your own portable research lab that fits in a backpack

lCollect data wherever your participants are, for instance at universities, hospitals, and pub-

lic spaces

Tobii Pro Nano User Manual v2.3 6

Tobii Pro Nano is well-suited for equipping universities with portable eye tracking solutions that

enable students to test eye tracking and build knowledge how the technology can be used in dif-

ferent fields, answer research questions and enhance commercial endeavors.

1.2 Symbols used in this document

Three different symbols are used in this document:

The Information symbol means something is important or needs special attention.

The Tip symbol denotes additional information that can make a process or function

easier.

The Warning symbol means there is a possible risk of harm if the warning is ignored.

1.3 What’s in the box

lTobii Pro Nano Eye Tracker

lUSB 2 extension cable (1 m)

lTravel case

lSafety and Compliance and Installation Guide

l2 cleaning wipes for cleaning the screen bezel before affixing the mounting plate

l4 mounting plates with non-permanent adhesive for attaching the eye tracker to a screen

bezel

1.4 How Tobii Pro Nano works

During eye tracking, Tobii Pro Nano uses infrared illuminators to generate reflection patterns on

the corneas of the participant’s eyes. These reflection patterns, together with other visual data

about the participant, are collected by image sensors. Sophisticated image processing algorithms

identify relevant features, including the eyes and the corneal reflection patterns. The Tobii Pro

Nano is a single camera system that uses a combination of dark and bright pupil tracking. Com-

plex mathematics is used to calculate the 3D position of each eyeball, and finally the gaze point;

in other words, where the participant is looking.

1.5 Tobii Pro Eye Tracker Manager

Tobii Pro Eye Tracker Manager is free software available on Tobii Connect.

Tobii Pro Eye Tracker Manager helps you manage your Tobii Pro eye tracker. It lets you see

which eye tracker firmware and software versions you are running and also facilitates updates

(where applicable). It provides:

Tobii Pro Nano User Manual v2.3 7

lDrivers and Firmware installation or updates

lDisplay setup

lEye tracking mode selection

lPositioning guide

lUser calibration

lGaze visualization1

lEye images2

References in product documentation to Tobii Pro Eye Tracker Manager refer to the

latest version available on Tobii Pro’s website.

1Gaze visualization in Tobii Pro Eye Tracker Manager lets you quickly evaluate the quality of the eye tracking data. The Gaze visu-

alization overlaps data only on the Tobii Pro Eye Tracker Manager screen while Tobii Pro Eye Tracker Manager is open.

2Applicable when Tobii Pro Eye Tracker Manager is used with eye trackers that support eye images (Tobii Pro Spectrum and Tobii

Pro Fusion).

Tobii Pro Nano User Manual v2.3 8

2 Safety

2.1 Mounting warning

Tobii Pro eye trackers should be mounted according to the instructions of the

approved mounts used.

The mounting bracket is designed for adhesion to a wide variety of surfaces, such as

monitors or laptop screens. It is also designed for clean removability. Failure to follow

the recommended removal instructions can result in damage to both the mon-

itor/laptop and the mounting bracket. Do not mount the eye tracker on monitors posi-

tioned above the head or face of a user, as it might fall.

2.2 Emergency warning

Tobii Pro eye trackers are designed to be used only for research purposes. Be aware

that due to the low, but possible risk of failure or distraction, the eye tracker should not

be relied upon or used in dangerous or critical situations.

2.3 Epilepsy warning

Some people with photosensitive epilepsy are susceptible to epileptic seizures or loss

of consciousness when exposed to certain flashing lights or light patterns in everyday

life. This may happen even if the person has no medical history of epilepsy or has

never had any epileptic seizures.

A person with photosensitive epilepsy would also be likely to have problems with TV

screens, some arcade games, and flickering fluorescent bulbs. Such people may have

a seizure while watching certain images or patterns on a monitor, or even when

exposed to the light sources of an eye tracker. It is estimated that about 3-5% of

people with epilepsy have this type of photosensitive epilepsy. Many people with pho-

tosensitive epilepsy experience an “aura” or feel odd sensations before the seizure

occurs. If you feel odd during use, move your eyes away from the eye tracker.

2.4 Infrared warning

When activated, the Tobii Pro eye tracker emits pulsed infrared (IR) light. Certain med-

ical devices are susceptible to disturbance by IR light and/or radiation. Do not use the

eye tracker in the vicinity of these kinds of susceptible medical devices, as their accur-

acy or proper functionality could be inhibited. Do not stare into the LED lights at a close

distance (<15cm).

Tobii Pro Nano User Manual v2.3 9

2.5 Magnetic field warning

This Tobii Pro eye tracker contains magnets. Magnetic fields may interfere with the

function of cardiac pacemakers and implantable cardioverter defibrillators. As a gen-

eral rule, maintain a minimum distance of 6 inches (15 centimeters) between any item

with magnets and your heart device.

2.6 Child safety

A Tobii Pro eye tracker is an advanced computer system and electronic device. As

such, it is composed of numerous separate, assembled parts. In the hands of a child,

some of these parts have the possibility of being separated from the device, possibly

resulting in a choking hazard or other danger to the child.

Young children should not have access to, nor use of the device or its accessories

without parental or guardian supervision.

2.7 Electricity

Do not open the casing of the Tobii Pro eye tracker, this could expose you to poten-

tially hazardous electrical voltage. The device contains no user-serviceable parts. Non-

compliance will result in loss of warranty! Contact Tobii Customer Care if your eye

tracker is not working properly.

2.8 Accessories

Only use accessories provided by or approved by Tobii AB.

2.9 Third party

Any use of a Tobii Pro eye tracker outside the intended use and together with any

third-party software or hardware that changes the intended use is a risk, and Tobii AB

can not take any responsibility in these situations.

Tobii Pro Nano User Manual v2.3 10

3 Software and System Requirements

Tobii Pro Nano is connected to a computer via a standard USB 2.0 interface. All eye tracking

processing is done in the internal Eye Chip.

3.1 System requirements

Operating system Windows 10 and 11, Professional or Enterprise editions

macOS 10.15 Catalina and 12 Monterey

CPU 1 GHz, 2 cores

RAM 2 GB RAM memory

Note: Software for eye-tracking research might require

higher RAM

Connectors USB 2.0 Type A

3.2 Tobii Pro Nano compatibility — Windows

Platform support Windows 10 and 11, Professional or Enterprise editions

Tobii Pro Software support Tobii Pro Lab version 1.101 or newer

Tobii Pro Eye Tracker Manager version 2.0 or newer

SDK support Tobii Pro SDK version 1.7 or newer

3.3 Tobii Pro Nano compatibility — macOS

Platform support macOS 10.15 Catalina and 12 Monterey

Tobii Pro Software support Tobii Pro Eye Tracker Manager version 2.0 or newer

SDK support Tobii Pro SDK version 1.7 or newer

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