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Noldus Knowledge Base

Check out detailed explanations on how to make optimal use of your Noldus installation. You can filter on the product you’re using. Looking for quick answers to common support questions? Check out our FAQs

Knowledge Base articles - All products


Toolbars in EthoVision have disappeared

Toolbar(s) at the top center of a number of locations in the EthoVision software are missing/have disappeared.

Related to EthoVision XT

Picking the right sample rate in EthoVision XT

The sample rate specifies how many data points EthoVision will collect per second in your experiment. You should pick a rate appropriate for your animal and your experimental methods.

Related to EthoVision XT

Can I add or alter zones in my Arena Settings after data acquisition in EthoVision XT?

Zone(s) can be added/modified in a given Arena Settings and you do not need to re-track those trials to get data for those new Zone(s). Exceptions are for Hidden Zone(s) and/or Zone(s) that were used as conditions in your Trial Control Settings.

Related to EthoVision XT

Some elements of the software appear too small or cropped when using Windows 10

When using high DPI displays in Windows 10, some elements in our software may appear too small or may appear cropped so they cannot be seen clearly. This can be corrected by adjusting the properties of the application.

Related to All Noldus Products

Why can't I start acquisition in EthoVision XT?

Acquisition cannot be started if the hardware license key is not plugged in or not detected, there are no planned trials in the trial list, or if the settings are incomplete.

Related to EthoVision XT

How do software-based and hardware-based licenses compare?

The Observer XT 16, EthoVision XT 17, and FaceReader 9 offer new software-based licenses which replace the hardware license key (dongle) required in previous versions.

Related to All Noldus Products

Connecting a Basler camera

Basler cameras are the most common camera used with EthoVision, and may also be used with Media Recorder.

Related to All Noldus Products

Windows 10 power settings for EthoVision XT

Disabling sleep/standby and fast startup will prevent issues and improve performance.

Related to EthoVision XT

Reinstalling the Picolo Alert drivers for EthoVision

The Picolo Alert is the framegrabber most commonly used for analog cameras in EthoVision XT 15. Reinstall the drivers if it has ceased to work after a Windows update.

Related to EthoVision XT

Reinstalling the Picolo Diligent drivers for EthoVision XT

Reinstall the drivers if this digitizer card for analog cameras is not recognized in EthoVision XT 4.0-10.0.

Related to EthoVision XT