Configuring the Tobii Pro Nano eye tracker with a standard display

Learn how to configure your Pro Nano eye tracker with a standard display.

 

At this stage, you should have installed the drivers on your computer and mounted the Tobii Pro Nano on the screen. The next step will enable you to configure your eye tracker with your display. This configuration step enables the eye tracker to identify the relative location of the screen and map the gaze points accordingly. 

Pro Eye Tracker Manager

Configuring the eye tracker with the screen:

  1. Open the Eye Tracker Manager.
  2. Click on the eye tracker card to open the ‘Eye Tracker’ settings panel. If your eye tracker card does not show up, wait for 1 minute, if it still does not show up unplug the eye tracker from the USB port and reinsert it.  If this does not work, please restart your computer and run the installation again.
  3. On the ‘Display Setup’ section of the panel, click on the ‘Select setup’ drop down menu and ‘Create new’. A setup window opens.
  4. In the setup window, choose ‘The Eye Tracker is attached to a monitor’ option by clicking on the arrow button.
  5. Next, specify on which of the screens connected to your computer the eye tracker is mounted. If you are unsure which screen is the one that the eye tracker is attached to, click on one of the numbered screens in the setup window. The Eye Tracker Manager window will stay on or jump to the correct screen. When you are finished click the ‘Next’ button.
  6. Measure the distance between the bottom of your display area and the eye tracker. Type the value, in millimeters, in the ‘Vertical difference’ text box. Once you are done click the ‘Next’ button.
  7. Drag the handles on the dotted lines so they align with the full width of the eye tracker or the two marks on top of the eye tracker. It is very important to be as careful and precise as possible when performing this step because a wrongly performed configuration may result in offsets in the eye tracking data. When you have finished aligning, click the ‘Next’ button.
  8. Give a name to your configuration, by typing it in the ‘Name of Display Setup’ text box, then click the Save button. Your configuration should now be shown in the ‘Select setup’ drop-down menu as the selected setup. 

After you have completed your eye tracker configuration, test your setup to troubleshoot any error made during the setup and configuration process.

Testing your eye tracker configuration and setup

After configuring your eye tracker run a calibration to test if the eye tracker is mapping the gaze points correctly to your display.

To test your eye tracking setup: 

  1. Make sure the eye tracker is attached to the monitor and connected to your computer.
  2. Open the Eye Tracker Manager. 
  3. Click on the eye tracker card to open the ‘Eye Tracker’ settings panel. If your eye tracker card does not show up, wait for 1 minute, if it still does not show up unplug the eye tracker cable and reinsert it. If this does not work, please restart your computer and run the installation and configuration again.
  4. When you are ready, test whether the eye tracker can detect your eyes. First, position yourself in front of the screen.
  5. On the 'Selected Eye Tracker' panel, click on the Calibration disclosure arrow to open the ‘Calibration’ section and reveal the ‘Start Calibration button’. 
  6. Click 'Start Calibration'.
  7. If your setup contains more than two screens, select the eye tracker screen by clicking on the respective screen in the Available Screens list.
  8. If your eyes are within range of the eye tracker cameras, they will show up as two white dots in the track status window. If you cannot see the two white dots, try to move around until they appear in the track status window. If this does not work, ask someone else to sit in front of the eye tracker and position them at the right distance. Ultimately, if you are still unsuccessful please restart your computer and run the installation and configuration procedures again.
  9. Center the eyes (the two white dots) in the track box and follow the instructions regarding the distance. Adjust your position if needed.
  10. Click the ‘Start Calibration’ button.
  11. Evaluate your calibration results. Large systematic errors i.e. a large distance between the average gaze point and the target gaze point may be indicative of a configuration error. No calibration feedback data on the targets located on the top of the screen may indicate that there is a mismatch between the screen size and eye tracker configuration. 
  12. Click 'Re-calibrate' to try to improve an unsuccessful calibration (e.g. recalibrating points with missing data).
  13. Click 'Accept' when you wish to complete your calibration procedure.

Once you are up and running with your eye tracking software, you can further refine your test by performing a calibration validation. 

You are now ready to start using your setup

Nano

After installing and setting up the eye tracker use it to perform your research in Tobii Pro Lab, in your own applications with the Tobii Pro SDK or in any third-party application built on the Tobii Pro SDK.

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