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Tobii Pro Pro Spectrum, User Manual

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Pro Spectrum User Manual v2.1

21

Input configuration: inputs (pin 1-8) are connected to pull up resistors and are opto-isolated.

 

7.3 

Eye images

Eye images are available in 10 Hz from Tobii Pro Spectrum eye tracker. Each eye tracking camera 
provides 5 Hz image stream. During tracking mode (i.e. when the eye tracker detects eyes), the 
image resolution is 496x175, except for 1200 Hz when the resolution is 384x105. During gaze 
recovery (i.e. when the eye tracker doesn’t detect eyes), the image resolution is 640x512.

The eye images are accessed via Tobii Pro SDK. They are also visible in Tobii Pro Eye Tracker Man-
ager.

Summary of Contents for Pro Spectrum

Page 1: ...Pro Spectrum User Manual ...

Page 2: ...e 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 o...

Page 3: ...Display Settings 14 5 1 VESA mount 14 5 2 Scene camera mount 15 6 Tobii Pro Spectrum Configuration 16 6 1 Tobii Pro Eye Tracker Manager 16 6 2 Keep your eye tracker software and display setup updated 16 6 3 Upgrade and downgrade the eye tracker s firmware 17 6 4 Configure Tobii Pro Spectrum in Tobii Pro Eye Tracker Manager 17 6 4 1 Change Tobii Pro Spectrum frequency setting 17 6 4 2 Configure Tob...

Page 4: ...ye tracker specifications 25 10 Compliance Information 27 Appendix A Recommended monitor 29 Appendix B Support Learning Center and Warranty 30 B1 CustomerSupport 30 B1 1 Get help online 30 B2 Learning Center 30 B3 Warranty information 30 Appendix C Limitations and considerations 31 C1 Intended use 31 C2 Light conditions 31 C3 Eyelashes 31 C4 Droopy eyelids 31 Appendix D Glossary 32 ...

Page 5: ... visual data about the subject are collected by image sensors Sophisticated image processing algorithms identify relevant features including the eyes and the corneal reflection patterns Complex mathematics is used to calculate the 3D position of each eyeball and the gaze point on the screen or when a screen isn t used for the gaze point on the object in plain words it tells you where the subject i...

Page 6: ...riments record data analyze and visualize eye tracking data and to sync this data with other biometric data streams Pro SDK tobiipro com product listing tobii pro sdk Pro SDK offers a broad set of tools that makes it simple to develop a variety of niche applications or scripts across multiple platforms using a wide range of pro gramming languages This SDK gives the researcher access to the full se...

Page 7: ...B Measuring tape J Cold shoe for mounting of a user camera C Power cables for monitor UK US EU and Aus China K DisplayPort cable D Monitor L HDMI cable E Eye tracker M Cleaning cloth F Monitor mounting bracket N Fabric cord sleeve for collecting the cables G Power cables for eye tracker UK US EU and Aus China O Ethernet cable H Power adaptor for eye tracker ...

Page 8: ... Pro Spec trum when in the vicinity of such susceptible medical devices as their accuracy or proper functionality could be inhibited 3 4 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 epilep...

Page 9: ...inside Contact Tobii Pro Support if your Tobii Pro Spectrum is not working prop erly 3 7 Environment Tobii Pro Spectrum is designed for use in dry indoor environments Avoid any exposure to direct sunlight as this will affect eye tracking quality and longer exposure can overheat the equipment Avoid exposure to any liquids gels moist rain sweat or other damp materials or environments Do not use the ...

Page 10: ... room temperature The recommended range for temperature and humidity during operation is as follows l Temperature 15 C to 30 C 59 F to 86 F l Humidity Max 20 to 95 no condensation on the device 4 3 Mount the monitor to the eye tracker unit Tobii Pro Spectrum is delivered with the monitor already mounted If this for any reason is not the case e g someone has been using the unit as a standalone eye ...

Page 11: ...verse order 4 4 Connect the eye tracker Tobii Pro Spectrum is connected to a standard Ethernet network with a RJ 45 connector Procedure for attaching the power supply 1 Attach the supplied Ethernet cable to the corresponding Ethernet socket on the eye tracker 2 Attach the other end of the Ethernet cable to the Ethernet socket on your PC It is also pos sible to connect the eye tracker to a switch c...

Page 12: ... long beeps are heard indicating that the system is ready for use If anything goes wrong no matter the cause you hear three short beeps about 40 to 50 seconds after the powering on sequence followed by a short pause and then another three short beeps You turn off the eye tracker by pressing the power switch During shut down the power switch indicator lamp flashes Depending on the unit s internal s...

Page 13: ...er for the best performance we recommend Display Port or HDMI depend ing on what your PC is equipped for 2 Choose the power cable with the plug suited for the wall outlet and connect the other end to the corresponding outlet on the monitor 3 Insert the power cable plug to a power outlet 4 If neither of the plugs work with your power outlet please contact your sales representative or Tobii Pro Supp...

Page 14: ...itor but that is not recommended For more information read Recommended monitor 5 1 VESA mount Tobii Pro Spectrum can be mounted on a standard VESA 100x100 mount Here s what to do 1 Remove the stand by unscrewing the two screws from the underside see image below 2 Fold the two legs upwards so they lie neat against the eye tracker s side panels as in setup 3 in the Setup Options image above Make sur...

Page 15: ... mount Beneath the eye tracker there is a mount used for attaching a scene camera purchased separately Here s what to do 1 Attach the enclosed mounting bracket to your camera unit 2 Slide the assembly into the scene camera mount and tighten the screw ...

Page 16: ...erences in product documentation to Tobii Pro Eye Tracker Manager refer to the latest version available on Tobii Pro s website 6 2 Keep your eye tracker software and display setup updated Updates From time to time Tobii Pro releases updates for an eye tracker s applicable driver and firmware in order to improve performance and or introduce new functionalities Please check the Tobii Pro website reg...

Page 17: ...n Pro Eye Tracker Manager select the desired firmware ver sion from the list and click the Install button Upgrading 1 Turn on the eye tracker and confirm that it appears in Pro Eye Tracker Manager 2 On the Drivers Firmware tab in Pro Eye Tracker Manager select the desired firmware ver sion from the list and click the Install button 6 4 Configure Tobii Pro Spectrum in Tobii Pro Eye Tracker Manager ...

Page 18: ...tab locate Display Setup and click the ellipsis button to the right On the drop down menu click New 4 Follow the instructions in each configuration step including naming your new setup 5 When finished your new setup appears in the drop down list of display setups 6 To confirm that Pro Spectrum can detect the participant s eyes enable the Position Guide at the bottom left of Pro Eye Tracker Manager...

Page 19: ...methods 7 1 2 Monocular calibration Tobii Pro Spectrum s monocular calibration functionality lets you to collect eye tracking data optim ized for each of the eyes of the participant Pro Spectrum can robustly identify the left and right eyes irrespective if only one eye or both are visible to the eye tracking sensors For increased con fidence in some cases you could choose to cover the eye that is ...

Page 20: ...calibration was for the eye of interest If the data is not good enough for your research you can improve a calibration by redoing the entire calibration or recalibrating the points with missing data for the eye of interest Proceed with calibrating the other eye if desired Available in l Tobii Pro Eye Tracker Manager when selecting Calibration mode you can choose between Both eyes Right eye or Left...

Page 21: ...e tracker Each eye tracking camera provides 5 Hz image stream During tracking mode i e when the eye tracker detects eyes the image resolution is 496x175 except for 1200 Hz when the resolution is 384x105 During gaze recovery i e when the eye tracker doesn t detect eyes the image resolution is 640x512 The eye images are accessed via Tobii Pro SDK They are also visible in Tobii Pro Eye Tracker Man ag...

Page 22: ...ammonia or abrasives to clean the device Keep in mind that scratches on the front surface of the eye tracker may cause impaired eye tracking performance 8 3 Disinfection The surfaces of Tobii Pro Spectrum can be cleaned with Isopropyl alcohol using a moist soft lint free non scratching cloth Do not let liquid Isopropyl alcohol enter into the unit Be careful not to scratch the front filter surface ...

Page 23: ...ter Sampling frequency 60 120 150 300 600 or 1200 Hz max fre quency depends on hardware version Precision 0 01 RMS at optimal conditions 0 06 RMS at optimal conditions raw signal Accuracy 0 3 at optimal conditions Binocular eye tracking Yes Total system latency Less than 3 frames less than 2 5 ms for 1200 Hz Blink recovery time One frame immediate Gaze recovery time Less than 150 ms Data Sample Ou...

Page 24: ...a more accurate data calculation and the best level of precision and robust ness for head movement Freedom of head move ment at 65 cm distance Width x height 34 cm x 26 cm 13 5 x 10 At least one eye tracked Freedom of head move ment at 75 cm distance Width x height 42 cm x 26 cm 16 5 x 10 At least one eye tracked Operating dis tance mounted on screen 55 to 75 cm 22 and 30 from the eye tracker Opti...

Page 25: ...to a standalone eye tracker Eye tracker Dimensions L x H x W in cm inches 55 x 18 x 6 22 x 7 x 2 The eye tracker is mounted on a stand which raises it from the surface by 9 cm approximately 4 Weight 5 1 kg 11 4 lbs With the power supply unit the weight is 5 7 kg 12 9 lbs Connectors TTL input 8 bit DB 9 connector Communication Ethernet RJ 45 connector Power supply 24 VDC 5 5 mm connector Data proce...

Page 26: ...onal 23 8 Weight 3 8 kg 8 4 lbs incl mounting Aspect ratio 16 9 Resolution 1920 x 1080 pixels Screen response time 5 ms gray to gray Connectors DVI VGA HDMI Display port 1 port for monitor control USB 3 0 2 port USB hub USB 3 0 C13 power connector Audio input connector 3 5 mm Headphone jack 3 5 mm Built in speakers 1 0 W 1 0 W Power supply 100 240 VAC 50 60 Hz Power Maximum rated power consumption...

Page 27: ...differences for Australia to IEC 60950 1 2nd Edition IEC 62471 2006 First Edition Certification and declaration of conformance ETL Listed US Canada CB Certificate CE EMC EMC standards EN 55032 2015 Class B EN 55024 2010 A1 EN 61000 6 1 2007 EN 61000 6 3 2007 A1 FCC 47 CFR Part 15 2015 Class B ICES 003 Issue 6 Class B CISPR 32 2015 Class B CISPR 35 2016 KN 32 2015 class A KN 35 2015 KN 61000 4 2 20...

Page 28: ...Pro Spectrum User Manual v2 1 28 Sustainability Directives RoHS Directive 2011 65 EU REACH Directive EC 1907 2006 This product is exempt from CCC ...

Page 29: ... choose a black monitor without any colored décor elements and that the screen bezel is as slim thin as possible No connections or buttons should be located underneath the monitor as this could interfere with the mounting of the eye tracker The monitor must be equipped with a standard 100 x 100 mm VESA mounting interface on the back and it should not weigh more than the supplied monitor The eye tr...

Page 30: ...red by visiting Tobii Pro Connect It contains the latest information about contacting Support links to our Learning Center and much more Log in or register to see information about your account and to reach Customer Support onTobii Pro Connect B2 Learning Center If you are new to eye tracking or want to extend your knowledge about eye tracking research sign up for one of our learning programs and ...

Page 31: ...e tracker system Sunlight affects eye tracking performance severely and longer exposure can overheat the eye tracker This eye tracker is not designed for exposure to direct sunlight Eye tracking generally does not work in strong direct sun light Shielding the eye tracker adequately from the sun may prevent sunlight from interfering with eye tracking C3 Eyelashes Long eyelashes can be obstructive w...

Page 32: ...image this is the same phe nomenon that causes red eyes in photos The eye tracking algorithms identify the pupil by searching for a bright elliptical form in the image Dark pupil tracking The process of capturing and processing eye images with a set of illu minators that are located further from the optical axis of the camera This causes the pupil to appear darker than the rest of the eye in the i...

Page 33: ...rt on tobiipro com Sampling frequency The number of data samples per second output for each eye Expressed in Hz units where 1 Hz 1 sample per second Total system latency The duration from the mid point of the eye image exposure to when a sample is available via the API on the client computer This includes half of the image exposure time image read out and transfer time pro cessing time and time to...

Page 34: ...with your Tobii Pro device It contains the latest information about contacting Support links to our Learning Center and much more Visit connect tobiipro com Contact Your Solution Consultant or Reseller For questions or problems with your product contact your Tobii Pro sales representative or authorized reseller for assistance They are most familiar with your personal setup and can best help you wi...

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