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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


EthoVision will not install and the resulting Log file says Access Denied 0x80070005

This issue involves a situation where the installation of EthoVision XT on your PC fails and the resulting log file says “Error 0x80070005”

Related to EthoVision XT

My color Basler camera is monochrome in EthoVision XT

This issue involves a situation where the image from your Basler camera is color in the Pylon Viewer, but monochrome/black and white in EthoVision XT.

Related to EthoVision XT

Understanding Axis camera LEDs

Summary of all the status LED's on your axis camera.

Related to All Noldus Products

How do IR cameras work?

Infrared cameras see infrared (IR) light, but otherwise operate just as normal, visible light cameras.

Related to EthoVision XT

Playback control buttons are grayed out in The Observer XT

This issue occurs when you’re in an observation and the playback control buttons are greyed out and won’t let you play, pause, etc. the video.

Related to The Observer XT

UltraVox XT Error Message - Out of Memory

The problem occurs when your recording has lots of calls, for example more than 500, and the Overlap (%) value in the Spectrogram settings is high, for example 90%.

Related to UltraVox XT

Camera is not detected in CatWalk XT 10.6

The camera may not be detected if the camera has no power, the camera is still establishing a connection to the PC, the camera is connected to the wrong port, or the configuration is not correct.

Related to CatWalk XT

Why are my trials ending at an exact time (e.g., 10 minutes) even though my Trial Control Settings are set for longer?

This issue involves a situation where your trials are stopping after a fixed time (e.g., 10 minutes) even though your Trial Control Settings are longer (e.g., 20 minutes).

Related to EthoVision XT

Accessing EthoVision XT remotely

EthoVision can be used with any remote access software other than Microsoft Remote Desktop. If Remote Desktop is used, the hardware license key will not be detected.

Related to EthoVision XT

No Valid Hardware Key Detected After Installing Noldus Software

If you receive an error stating that there was “No Valid Hardware Key Detected”, please check the USB license key/dongle to ensure it is seated properly (unplug and reinsert). Close the Noldus program and try again.

Related to All Noldus Products