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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


My CatWalk XT experiment will not open as it reports that it was made with a previous (or newer) version of the software, but the same version was used.

This issue involves the inability to open a CatWalk XT experiment as you receive a warning message that it was made with a previous (or newer) version of the software, but the same version was previously used.

Related to CatWalk XT

My upgrade code is not recognized

Ensure you are entering the upgrade code in the correct version of the software. Copy-paste the code if possible.

Related to All Noldus Products

Running out of free memory during acquisition in CatWalk XT

CatWalk will cancel acquisition if there is not enough free memory available to record the data. Proper procedures will help, but in some cases it may be necessary to add memory to the PC.

Related to CatWalk XT

Pellet Dispenser indicator light and error troubleshooting

The Noldus pellet dispenser has an LED light which indicates the status and can be used to identify an error.

Related to PhenoTyper

When using the Baby model of FaceReader 9 the automatic analysis did not detect any negative valences across the whole dataset.

When using the Baby model of FaceReader 9 the automatic analysis did not detect any negative valences across the whole dataset. This results in a misclassification of negative and very negative affect as positive valence.

Related to FaceReader

What's new in EthoVision XT 17?

EthoVision XT 17 updates drivers, adds new options for licensing and trial control, gives new display options in the visualizations, and more.

Related to EthoVision XT

Color-marking animals for EthoVision

There are many options for colored markers that can be used on animals. Colors should be bright and distinguishable.

Related to EthoVision XT

Correcting the Basler Drivers

Incorrect drivers can result in error 12015 in EthoVision XT or missed samples or low frame rates.

Related to EthoVision XT

Check network settings for a Basler camera

Basler GigE cameras connect to the computer using a network cable, and as such must have network settings configured accordingly.

Related to All Noldus Products

Play a tone as a stimulus from the EthoVision XT trial control

You can use a TTL device or an External Command action in the EthoVision XT trial control to play a tone or sound at a particular point in the trial.

Related to EthoVision XT