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
CatWalk XT 10.0, 10.5, or 10.6 does not open
Restart the camera and wait 1-2 minutes before restarting CatWalk. Check user permissions on the computer. Invalid settings may also prevent starting CatWalk. A log file provides diagnostic information.
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.
Setting up the CatWalk XT 10 walkway: calibration and detection settings
Setting up the walkway for use is a three step process: defining the walkway, calibrating, and detection settings. These steps are not difficult but can make a big difference for the quality of data and how much work you will need to do.
CatWalk XT classified footprints are grayed out
Footprints that were previously classified/labeled show up in Classification, but some/all are grayed out in Run Visualizations and Run Statistics.
There are no rectangles around the paw prints in CatWalk XT
Too much of the animal is being detected, preventing CatWalk from focusing on the actual prints, or display of the rectangles has been turned off.
Paw prints look incomplete in the Interactive Footprint Measurements screen in CatWalk XT
When the footprint is shown in the Interactive Footprint Measurements screen, it is enlarged by means of smoothing and anti-aliasing algorithms. Pixels that are outside the border of the footprint rectangle, which contain
Paw prints are not recognized by the Automatic Footprint Classification Module in CatWalk XT
This may happen when a paw print has consistently a low Intensity, below the minimum set in the Classification Settings (which is 100 by default).
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.
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.
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.