EyeLink 1000 Host Software v 4.594
Host software for the EyeLink 1000. This version is compatible with the following mounts (using either a Standard or Fiber Optic camera):
⚠️ Important: Before You Begin
In general, USB keyboards or mice should not be used with recent Host PC models (Dell Optiplex 755 / 760, Precision 390 / 490 / T4300, or the custom-made Host PC) due to potential interference with tracker performance.
If you have any issues updating your Host PC software, please email support@sr-research.com.
Host software for the EyeLink 1000. This version is compatible with the following mounts (using either a Standard or Fiber Optic camera):
- Desktop (including Remote setup)
- Tower
- LCD Arm
- Long Range Fiber Optic
- Primate
⚠️ Important: Before You Begin
- Be sure to back up your existing host elcl directory before proceeding.
- Make note of any custom changes you have made to your .INI files. You may need to re-apply them after the update.
- Download and Preparation
- On a separate, internet-connected computer, download the correct software version.
- Choosing the Correct Version:
- Desktop Mount:
- If the illuminator is on the right side of the camera (when facing it), download the Right version.
- If the illuminator is on the left side of the camera, download the Left version.
- If the illuminator is on the right side of the camera (when facing it), download the Right version.
- Arm Mount:
- Download the Right version.
- Tower / Primate / Long Range Mount:
- You may download either the Left or Right version.
- Desktop Mount:
- Download Links:
- Choosing the Correct Version:
- Save the downloaded .zip file (e.g., elcl_4.594_right.zip) to a USB drive.
- On a separate, internet-connected computer, download the correct software version.
- Installation Steps
- Reboot the EyeLink Host PC. When prompted, select Windows (not EyeLink).
- In Windows, navigate to the EYELINK partition (this is usually the D: or E: drive).
- Find the existing ELCL folder and rename it to elcl_old and . (This is your backup).
- Plug in the USB drive containing the new software.
- Copy the .zip file from the USB drive to the Host PC's desktop.
- Extract the zipped file. This will create a new ELCL folder.
- Move this new ELCL folder to the root of the EYELINK partition (E: ).
- Verify that your E: drive now contains both the new ELCL folder and your backup, elcl_old.
- Reboot the EyeLink Host PC. When prompted, select Windows (not EyeLink).
- Restore Previous Configuration
- Navigate to your backup folder: E:\elcl_old\EXE.
- Find and copy the file with the .scd extension.
- Paste this .scd file into the new folder: E:\ELCL\EXE.
- Go back to the E:\elcl_old\EXE folder.
- Copy the files PHYSICAL.INI and FINAL.INI.
- (Optional) If you use a USB keyboard:
- Go to the new E:\ELCL\EXE folder.
- Find the file elcl.usb and rename it to ELCL.INI.
- (Optional) If you use a USB keyboard:
- Paste these two files into the new E:\ELCL\EXE folder. If Windows asks, choose to Replace the existing files.
- Cut and paste E:\elcl_old\ from the EyeLink partition to your Windows desktop to free up space.
- Navigate to your backup folder: E:\elcl_old\EXE.
- Finalize
- Unplug the USB drive. (This is important, as it can interfere with the host software).
- Shut down Windows and reboot the Host PC.
- Unplug the USB drive. (This is important, as it can interfere with the host software).
In general, USB keyboards or mice should not be used with recent Host PC models (Dell Optiplex 755 / 760, Precision 390 / 490 / T4300, or the custom-made Host PC) due to potential interference with tracker performance.
If you have any issues updating your Host PC software, please email support@sr-research.com.

