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Tobii X1 Light User Manual

Eye tracking specifications

Sampling

Variable sampling rate

typ. 28-32Hz

Total system latency

50-90 ms

Time to tracking recovery

For blinks

Immediate

After lost tracking

100-300 ms

Head movement

Freedom of head

movement at 65 cm

(width x height)

typ. 44 x 32 cm

(17.3 x 12.6’’)

Operating distance

(eye tracker to subject)

See Tobii X1 Light Eye

Tracker Accuracy and Preci-

sion Test Report for details.

Recommended largest

gaze angle

27°

Tracking technique

Dark/bright pupil tracking

Chapter 7

Appendices

Содержание X1 Light Eye Tracker

Страница 1: ...www tobii com User Manual Tobii X1 Light Eye Tracker...

Страница 2: ...seizures or loss of consciousness when exposed to certain flashing lights or light patterns in everyday life Such people may have a seizure while watching certain images or patterns on a monitor This...

Страница 3: ...terference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on th...

Страница 4: ...on may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic or mechanical including photocopying and recording without the prior consent of the copyright ho...

Страница 5: ...12 2 3 Laptop mounting bracket setup 12 2 3 1 Component checklist 13 2 4 Desk stand or tripod setup 13 2 4 1 Component checklist 14 3 Product Care 15 3 1 Temperature Humidity 15 3 1 1 General use 15...

Страница 6: ...Configuration Tool 37 6 3 Measuring the Active Display Area D 38 6 4 Reference point on the Tobii X1 Light 38 6 5 Measuring the distance to the display or calibration grid B 39 6 6 Measuring the verti...

Страница 7: ...Tobii X1 Light Eye Tracker 1 2 Cables Tobii X1 Light Front Micro USB Input Power Adapter Input IR Camera Cover Tobii X1 Light Back Magnetic Mounting Points Screw Holes for Mounting Fixation USB to Mi...

Страница 8: ...s 1 4 2 Adhesive Mounting Bracket The Adhesive Mounting Bracket is used to attach the Tobii X1 Light Eye Tracker to a monitor This solution is designed to be permantently attached to one monitor Batte...

Страница 9: ...sed to attach the Tobii X1 Light Eye Tracker to a laptop 1 4 4 Desk Stand The Desk Stand is used when using the Tobii X1 Eye Tracker without a monitor or for setups where the other mounting brackets c...

Страница 10: ...ibration guide to work the eye tracker needs to be attached to the primary display Read more on page 19 3 Shut down the computer 4 Mount the mounting bracket on the monitor Ensure the mounting bracket...

Страница 11: ...tion program Read more on page 18 2 Set the monitor on which the eye tracker is mounted as the Primary Display in the Windows settings In order for the calibration guide to work the eye tracker needs...

Страница 12: ...esive Mounting Bracket Tobii X1 Light Eye Tracker Resources CD Tobii Studio or other compatible eye tracking software Power adaptor USB to micro USB cable 2 3 Laptop mounting bracket setup 1 Install t...

Страница 13: ...nual 2 3 1 Component checklist Tobii X1 Light eye tracking unit Tobii Laptop Mounting Bracket for Tobii X1 Light Eye Tracker including the necessary screws Tobii X1 Light Eye Tracker Resources CD Tobi...

Страница 14: ...Open the Eye Tracker Browser in the folder Windows Start All Programs Tobii Select the Tobii X1 Light Eye Tracker in the list of connected eye trackers and click the Config Tool button Read more on p...

Страница 15: ...s not waterproof or water resistant The device should not be kept in excessively humid damp or wet conditions Do not submerge the device in water or in any other liquid Be careful not to allow liquids...

Страница 16: ...old the weight of the computer monitor and the devices could break apart and fall or topple and fall because of misbalanced weight causing permanent damage to both Tobii Technology will not be held li...

Страница 17: ...s been run Connecting the eye tracker prematurely can lead to software compability issues as the wrong drivers may then automatically be installed by Windows The Tobii X1 Light Eye Tracker ONLY works...

Страница 18: ...nitor in the Windows Display settings To be able to use the Tobii X1 Light Eye Tracker Configuration Guide when having it mounted using the mounting brackets the monitor on which the eye tracker is mo...

Страница 19: ...the Tobii X1 Light Configruation guide Setting the primary displa is done by clicking Start Control Panel Appearance and Personalization Display Adjust resolution click on the monitor that the eye tr...

Страница 20: ...tom of the battery pack is a switch that can be set to either 9V or 12 V This switch should be set to 12V in order for the eye tracker to work see image below OR Power Supply MODEL MDA08131482000US IN...

Страница 21: ...it the charger does not provide any charging Common reasons for the diode not being lit is that the power cord is not properly connected either to the charger or to the power socket When charging the...

Страница 22: ...the monitor or below the surface that is to be studied without covering the bottom of the display area for the person watching the stimuli For optimal tracking the eye tracker should be placed so that...

Страница 23: ...5 cm 25 6 in from the participant 4 3 1 Track Box The Tobii X1 Light Eye Tracker allows for extensive head movement Once the Tobii X1 Light Eye Tracker Computer is properly calibrated and placed in fr...

Страница 24: ...sure that the mounting bracket system does not cover the fan of the monitor onto which it is being mounted If the fan is covered the monitor could overheat causing an increased risk for fire and burn...

Страница 25: ...t if you are also using the spacers on a recessed VESA without the spacers you could possibly screw in the screws too far causing damage to the monitor 4 4 1 The mounting process 1 Slide the mounting...

Страница 26: ...after the installation file has been run the Tobii X1 Light Eye Tracker Configuration Guide will open automatically The configuration guide can then be accessed within the Tobii Tobii X1 Light Eye Tr...

Страница 27: ...ce during the study but then can be removed should be used Before starting the assembly ensure that all necessary parts are available i e the adhesive mounting bracket and if necessary additional adhe...

Страница 28: ...and after having removed the plastic protection from the adhesive tape press firmly on the bracket for about a minute By pressing on the bracket after attaching it the adhesive tape gets a chance to...

Страница 29: ...simplify the physical configuration of the eye tracker Before starting the assembly ensure that all necessary parts are available i e the desk stand screws digital angle gauge measuring tape and if n...

Страница 30: ...pendix E Recommended display sizes on page 47 If larger displays are used there is a high risk that parts of the display will not be tracked Before starting the assembly ensure that all necessary part...

Страница 31: ...have mounted the Tobii X1 Light Eye Tracker system properly and attached the power source to an outlet and attached the USB connector to your computer restart your computer To complete the setup enter...

Страница 32: ...the X Configuration Tool should be used instead The X Configuration Tool can be launched from within the Configuration Guide from within the Tobii Eye Tracker Browser found in the Tobii folder in the...

Страница 33: ...quested before you are able to continue to the next step On the Display Area page be sure to measure the actual blue lines making up the triangle on the display with a ruler and fill in the numbers in...

Страница 34: ...will not work properly After calibration you may want to improve one or more points There is a color scheme used that will help you to understand the quality of your calibration If the background colo...

Страница 35: ...several different things If the background color is red and the lines are long it can indicate that there is something wrong with the setup e g that the Display Area measurements were faulty Other th...

Страница 36: ...ng the eye tracker in setups where the Tobii X1 Light Eye Tracker Configuration Guide cannot be displayed on the screen on which the eye tracker is mounted 6 1 Accessing the X Configuration Tool The X...

Страница 37: ...to the display Display angle Active Display Area Height difference between lowest row of pixels on the display and the eye tracker Please be as careful and precise as possible when measuring the requi...

Страница 38: ...w to the right In a setup where the stimuli is filmed by a scene camera the active display area must be calculated based on the calibration grid size 6 4 Reference point on the Tobii X1 Light All dist...

Страница 39: ...the digital angle gauge place it on a flat vertical surface and press the Zero button To measure the angle place the digital angle gauge on front surface of the eye tracker In many setups the angle is...

Страница 40: ...the Use Rotation check box and enter the angle between the back of the eye tracker and the active display If the eye tracker is rotated clockwise enter a negative angle 6 11 Saving the configuration W...

Страница 41: ...in 6 3 Appendix C Glossary Gaze accuracy Monocular Binocular At ideal conditions1 0 5 0 5 At 25 gaze angle 0 4 0 3 At 30 gaze angle 0 4 0 3 At 1 lux 1 4 0 9 At 300 lux 0 5 0 5 At 600 lux 0 8 0 5 At 1...

Страница 42: ...blinks Immediate After lost tracking 100 300 ms Head movement Freedom of head movement at 65 cm width x height typ 44 x 32 cm 17 3 x 12 6 Operating distance eye tracker to subject See Tobii X1 Light...

Страница 43: ...l 43 7 2 Appendix B Technical specifications Eye Tracking unit Eye tracking processing unit Embedded Weight 350 g 12 3 oz Unit Size 24 9 x 5 0 x 4 8 cm 9 8 x 2 0 x 1 9 Connectors Micro USB Power conne...

Страница 44: ...28 and 32 Hz i e typically between 28 to 32 data samples per second are collected for each eye Total system latency The duration from mid point of the eye image exposure to when a sample is available...

Страница 45: ...distance Describes the minimum and maximum distances between the subject s eyes and the surface covering the eye tracker sensors at which eye tracking can be done while maintaining robust tracking Re...

Страница 46: ...setup configuration Tobii Eye Tracker Browser This software lists the eye trackers connected to the computer and also includes the X Configuration Tool which allows the user to configure the physical...

Страница 47: ...4 3 1 Track Box on page 23 Max 27 65 cm 26 This means that depending on the position of the eye tracker in relation to the display it can track different sizes of displays If the display is positioned...

Страница 48: ...19 21 16 10 16 19 20 4 3 15 17 18 5 4 15 17 18 Assuming a lower monitor frame height of 2cm or less Assuming a distance of 4 cm between the back of the eye tracker and the display surface The display...

Страница 49: ...Tobii X1 Light User Manual 49...

Страница 50: ...Tobii X1 Light User Manual 50...

Страница 51: ...Tobii X1 Light User Manual 51...

Страница 52: ...u Tokyo 108 0074 Japan Phone 81 3 5793 3316 Fax 81 3 5793 3317 www tobii com sales jp tobii com North America Tobii Technology Inc 510 N Washington Street Suite 200 Fall Church VA 22046 USA Phone 1 70...

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