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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 - DanioVision


Error E01 on the DanioVision Temperature Control Unit

Error E01 indicates the temperature sensor is not detected. You should have a cable that goes from the “Temp” jack on the back of the DanioVision to the “Temp” jack on the back of the Temperature Control Unit.


Error Messages on the DanioVision Temperature Control Unit

Error lights and code on the Temperature Control Unit can be used to identify the issue.


Making screen captures in Windows

Windows provides multiple means to capture images from the screen, either using the Printscreen key or the snipping tool or snip & sketch. Some Noldus software also provides options to save images of your settings or of graphs.


Understanding Axis camera LEDs

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


Checking your license number

License numbers for Noldus software may be checked by going on the menu to Help/About.


An overview of which software version is supported by which operating system

In this sheet, you can see which version of the software is supported and tested under which Operating System


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.


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.


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.


Connecting a Basler camera

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