User manual

Camera Setup Screen Main Functions 2.3.3.2

Click “Auto Threshold” to have the Host PC compute

threshold levels automatically. Fine tuning may be

necessary.

The EyeLink Remote dynamically adjusts threshold levels that are further

biased by threshold adjustments.

Keyboard Shortcuts: A = Auto Threshold selected image

Clicking these buttons manually increases or decreases the

selected pupil threshold (Tower or Desktop Mounts) or pupil

threshold biases (EyeLink Remote).

Keyboard Shortcuts: ⇑ and ⇓ = increase and decrease pupil

threshold/bias

In Pupil-CR mode, these buttons manually increase or decrease the

selected CR threshold (Tower or Desktop Mounts) or CR bias

(EyeLink Remote).

Keyboard Shortcuts: + and - = increase and decrease CR threshold/bias

Select the tracking mode for recording. Typically,

with most shipped systems, Pupil-CR is the only

mode available as Pupil alone tracking requires complete head immobilization

for high accuracy.

Keyboard Shortcuts: P = toggle Pupil only or Pupil-CR mode where possible

Select the sampling rate for recording. Here 1000

Hz is selected. The 2000 Hz rate is available only

with the EyeLink 2000 system.

Keyboard Shortcuts: F = alternates Sample Rate selection

Selects the method used to fit the pupil center and

determine pupil position. Measure of Area or

Diameter are always based on the Centroid Model.

An Ellipse model is the only method available with the EyeLink Remote option.

Keyboard Shortcuts: Q = toggle selected pupil shape model

Toggles display of pupil and CR crosshairs in camera

images.

Keyboard Shortcuts: X = toggle crosshair display on/off

EyeLink 1000 Host Application