EyeLink 1000 Plus User manual

EyeLink
®
1000 Plus User Manual
Desktop, LCD Arm, Tower, Primate
and Long Range Mounts
Remote, 2000 Hz and Fiber Optic
Camera Upgrades
Version 1.0.12
Copyright ©2013-2017, SR Research Ltd.
EyeLink is a registered trademark of SR Research Ltd.,
Mississauga, Ontario, Canada

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©2013-2017 SR Research Ltd.
Read instructions before use.
For indoor use only.
Intertek Safety Mark: Compliance of this product with applicable
standards is certified by Intertek, an independent testing agency.
Separate electrical and electronic collection.
Illuminators comply with 60825-1 or 62471
safety standards. Refer to Chapter 6 of the User
Manual.
Fiber optic interface to OC camera head
complies with FDA and IEC laser safety
standards. Refer to Chapter 6 of the User
Manual.
FCC Statement:
NOTE: This equipment has been tested and found to comply with the limits for a Class
A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment. This equipment can radiate radio frequency
energy and may cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference in which case the
user will be required to correct the interference at the users’ expense.
CISPR WARNING: This is a Class A product. In domestic environments this product
may cause radio interference in which case the user may be required to take adequate
measures.
WARNING: Changes or modifications not expressly approved by SR Research Ltd. could
void the user’s warranty and authority to operate the equipment. This includes
modification of cables, removal of ferrite chokes on cables, or opening cameras or
connectors.
WARNING: Opening or modifying cameras and connector will void the warranty and
may affect safety compliance of the system. No user-serviceable parts inside - contact
SR Research for all repairs.
CLASS 1 LASER DEVICE
IEC 60825-1 (Ed. 1.2:2001)
CLASS 1 LED DEVICE
IEC 60825-1 (Ed. 1.2:2001)

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Caution – Using controls or adjustments or performance of procedures other
than those specified herein may result in hazardous radiation exposure. Refer
to Chapter 6 of User Manual
This product complies with FDA performance standards for laser products, except for
deviations pursuant to Laser Notice No. 50, dated June 24, 2007.
CONTACT ADDRESS
SR Research Ltd
35 Beaufort Drive
Ottawa, Ontario, K2L 2B9
Canada
Fax:
[phone]
Phone:
[phone]
Toll Free:
1-866-821-0731 (North America only)
Email:
[e-mail]
Sales:
http://www.sr-research.com
Support:
http://www.sr-support.com

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Table of Contents
1.!Introduction...............................................................................................................1!
1.1!Supporting Documents ......................................................................... 3!
1.2!EyeLink 1000 Plus System Configuration.............................................. 4!
1.2.1!Host PC...........................................................................................................4!
1.2.2!Display PC ......................................................................................................5!
1.2.3!EyeLink 1000 Plus Camera Mount Configurations .........................................6!
1.3!System Specifications ........................................................................... 9!
1.3.1!Operational / Functional Specifications...........................................................9!
1.3.2!Physical Specifications..................................................................................10!
2.!EyeLink 1000 Plus Host Software .........................................................................12!
2.1!Web UI Interface ................................................................................. 12!
2.1.1!File Manager .................................................................................................12!
2.1.2!Configuration Tool.........................................................................................17!
2.1.3!Tracker Initialization Files..............................................................................19!
2.1.4!Running Web UI on a computer other than the host PC...............................20!
2.2!Starting the Host Application .............................................................. 21!
2.3!Modes of Operation ............................................................................. 22!
2.4!EyeLink 1000 Plus Host PC Navigation ................................................ 23!
2.4.1!Camera Setup Screen...................................................................................24!
2.4.2!Offline Screen ...............................................................................................30!
2.4.3!Set Options Screen .......................................................................................32!
2.4.4!Calibrate Screen ...........................................................................................40!
2.4.5!Validate Screen.............................................................................................43!
2.4.6!Drift Check/Drift Correct Screen....................................................................45!
2.4.7!Output Screen ...............................................................................................46!
2.4.8!Record Screen ..............................................................................................48!
2.5!Status Panel ....................................................................................... 54!
2.6!Mouse Simulation Mode...................................................................... 55!
3.!An EyeLink 1000 Plus Tutorial: Running an Experiment....................................56!
3.1!The Camera Setup Screen ................................................................... 57!
3.2!Participant Setup ................................................................................ 58!
3.2.1!Desktop Mount Participant Setup, Monocular...............................................59!

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3.2.2!Desktop Mount Participant Setup, Binocular ................................................62!
3.2.3!Desktop Mount Participant Setup, Monocular Remote Mode .......................63!
3.2.4!Desktop Mount Participant Setup, Binocular Remote Mode.........................71!
3.2.5!LCD Arm Mount Participant Setup................................................................72!
3.2.6!Tower Mount Participant Setup, Monocular or Binocular..............................73!
3.2.7!Primate Mount Participant Setup, Monocular or Binocular ...........................76!
3.2.8!Long Range Mount Participant Setup, Monocular or Binocular ....................76!
3.3!Setting Pupil Thresholds ..................................................................... 79!
3.4!Setting the Corneal Reflection (CR) Threshold ..................................... 81!
3.5!Search Limits...................................................................................... 82!
3.6!Pupil Tracking Algorithm .................................................................... 82!
3.7!Calibration.......................................................................................... 83!
3.8!Validation ........................................................................................... 87!
3.9!Improving Calibration Quality ............................................................. 89!
3.10!Recording Gaze Position .................................................................... 90!
3.11!Drift Checking and Drift Correction................................................... 91!
3.11.1!Enabling Drift Correction.............................................................................91!
3.11.2!Online Drift Correction.................................................................................92!
3.12!Exiting the Host Application.............................................................. 95!
3.13!EyeLink 1000 Plus Setup Summary .................................................. 95!
3.14!Experiment Practice .......................................................................... 96!
3.15!Next Steps: Other Sample Experiments ............................................. 97!
4.!Data Files...............................................................................................................100!
4.1!File Contents .................................................................................... 100!
4.2!Recording EDF Files.......................................................................... 101!
4.2.1!Recording from the EyeLink 1000 Plus Host PC ........................................101!
4.2.2!Recording from the EyeLink API or SR Research Experiment Builder.......101!
4.3!The EyeLink On-Line Parser.............................................................. 101!
4.3.1!Parser Operation.........................................................................................101!
4.3.2!Parser Limitations .......................................................................................102!
4.3.3!EyeLink Parser Configuration .....................................................................102!
4.3.4!Parser Data Type ........................................................................................103!
4.3.5!Saccadic Thresholds...................................................................................103!
4.3.6!Pursuit Thresholds ......................................................................................104!

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4.3.7!Fixation Updates .........................................................................................104!
4.3.8!Other Parameters........................................................................................105!
4.3.9!Sample Configurations................................................................................105!
4.3.10!Reparsing EyeLink Data Files...................................................................106!
4.4!File Data Types ................................................................................. 107!
4.4.1!Samples ......................................................................................................107!
4.4.2!Position Data...............................................................................................107!
4.4.3!Pupil Size Data............................................................................................110!
4.4.4!Button Data .................................................................................................110!
4.5!Events .............................................................................................. 111!
4.5.1!Messages....................................................................................................111!
4.5.2!Buttons ........................................................................................................111!
4.5.3!Eye Movement Events ................................................................................112!
4.6!Setting File Contents......................................................................... 116!
4.6.1!Sample Data ...............................................................................................116!
4.6.2!Event Data ..................................................................................................117!
4.6.3!Event Types ................................................................................................117!
4.7!EDF File Utilities............................................................................... 118!
4.8!Using ASC Files ................................................................................ 118!
4.9!The ASC File Format ......................................................................... 119!
4.9.1!ASC File Structure ......................................................................................119!
4.9.2!Sample Line Format....................................................................................120!
4.9.3!Event Line Formats.....................................................................................123!
4.9.4!Data-Specification Lines .............................................................................126!
4.10!Processing ASC Files ....................................................................... 127!
5.!System Care..........................................................................................................129!
5.1!Maintenance ..................................................................................... 129!
5.2!Storage and Transportation............................................................... 129!
6.!Important Information ..........................................................................................130!
6.1!Safety ............................................................................................... 130!
6.1.1!Eye Illumination Safety................................................................................130!
6.2!Servicing Information ........................................................................ 131!
6.2.1!Non-Serviceable Components: ...................................................................132!
6.2.2!Illuminator Replacement: ............................................................................132!

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6.2.3!Cables and Lenses: ....................................................................................132!
6.2.4!Power Supply Replacement:.......................................................................133!
6.3!Limited Hardware Warranty .............................................................. 134!
6.4!Limited Software Warranty................................................................ 135!
6.5!Copyrights / Trademarks .................................................................. 136!
7.!Appendix A: Using the EyeLink 1000 Plus Analog and Digital Output Card ..137!
7.1!Analog Data Types ............................................................................ 137!
7.2!Analog Data Quality.......................................................................... 138!
7.3!Setting up the EyeLink 1000 Plus Analog Card ................................. 138!
7.3.1!Installing Analog Output Hardware .............................................................138!
7.3.2!Connections to Analog Card .......................................................................139!
7.3.3!Noise and Filtering ......................................................................................140!
7.4!Digital Inputs and Outputs ............................................................... 140!
7.4.1!Analog Data Output Assignments...............................................................141!
7.4.2!Analog Data Types and Ranges .................................................................141!
7.4.3!Scaling of Analog Position Data..................................................................142!
7.5!Pupil Size Data ................................................................................. 143!
7.6!Timebase and Data Strobe ................................................................ 143!
7.6.1!Strobe Data Input........................................................................................143!
7.6.2!Oversampling and Toggle Strobe ...............................................................144!

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List of Figures
Figure 1-1: Typical EyeLink 1000 Plus Configuration with a Desktop Mount .... 2!
Figure 1-2: EyeLink 1000 Plus Desktop Mount................................................. 6!
Figure 1-3: EyeLink 1000 Plus Binocular Tower Mount .................................... 6!
Figure 1-4: EyeLink 1000 Plus Primate Mount and Diagram of a Typical Setup 7!
Figure 1-5: EyeLink 1000 Plus LCD Arm Mount ............................................... 7!
Figure 1-6: Typical EyeLink 1000 Plus Long Range Mount Configuration.......... 8!
Figure 2-1: File Manager Screen..................................................................... 13!
Figure 2-2: Booting into the EyeLink Partition................................................ 21!
Figure 2-3: EyeLink 1000 Plus Host PC Application Overview ......................... 24!
Figure 2-4: Example Camera Setup Screen..................................................... 24!
Figure 2-5: Example Offline Screen ................................................................ 31!
Figure 2-6: Example Set Options Screen ........................................................ 32!
Figure 2-7: Example Calibrate Screen ............................................................ 41!
Figure 2-8: Example Validate Screen.............................................................. 43!
Figure 2-9: Example Drift Check/Drift Correct Screen.................................... 45!
Figure 2-10: Example EyeLink 1000 Plus Output Screen................................ 47!
Figure 2-11: Example Record Screen (Gaze Cursor View)................................ 49!
Figure 2-12: Example Record Screen (Plot View) ............................................. 49!
Figure 2-13: Gain/Offset Adjustments in the Plot View................................... 54!
Figure 2-14: EyeLink 1000 Plus Status Panel................................................. 54!
Figure 3-1: Example Camera Setup Screen (Desktop Mount). ......................... 57!
Figure 3-2: Parts of the EyeLink 1000 Plus Desktop Mount ............................ 60!
Figure 3-3: Camera Setup with Participants Wearing Glasses......................... 61!
Figure 3-4: Focusing the Desktop Mount Camera........................................... 62!
Figure 3-5: Camera Setup Screen Desktop Mount, Binocular Recording ......... 63!
Figure 3-6: Camera Setup Screen with the Monocular Remote Mode .............. 65!
Figure 3-7: EyeLink Remote Target Placement ................................................ 67!
Figure 3-8: Pupil and CR Thresholds and Bias Values .................................... 68!
Figure 3-9: Status Panel Pupil Size Information.............................................. 70!
Figure 3-10: Target and Eye Positions in the Thumbnail Camera Images ........ 71!
Figure 3-11 Camera Setup Screen with the Binocular Remote Mode............... 72!
Figure 3-12: Parts of the EyeLink 1000 Plus Tower Mount.............................. 74!

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Figure 3-13: Adjust the Chair Height for EyeLink 1000 Plus Tower Mount...... 75!
Figure 3-14: Focusing the Eye Camera for EyeLink 1000 Plus Binocular Tower
Mount ...................................................................................................... 76!
Figure 3-15: Adjusting the Camera Image Orientation .................................... 77!
Figure 3-16: Symptoms of Poor Pupil Threshold ............................................. 79!
Figure 3-17: Corner Effects Seen with Head Rotation ..................................... 80!
Figure 3-18: Corneal Reflection ...................................................................... 81!
Figure 3-19: Calibration Grid ......................................................................... 85!
Figure 3-20: Performing a drift correction using mouse click .......................... 93!
Figure 7-1 Screw Terminal Panel Pin Mapping Table .................................... 139!

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List of Tables
Table 1: EyeLink 1000 Plus Configuration Files.............................................. 20!
Table 2: Lens Guide for Different Viewing Distances ....................................... 40!
Table 3: Table of Recommended Distance from Illuminator........................... 131!
Table 4: Analog Channel Data Assignments for the EyeLink 1000 Plus hardware141!