In order to be able to test at home, you can use a photo or recording of your scorebaord as input in Scoreboard OCR.
We have also provided a sample video recording delivered with the installation (starting from version 20.09.07).
Follow these steps:

1. Under 'Select Capture' choose input type 'Scoreboard photo or recording'
2. Choose the video recording using Browse button or use the video recording provided by us
3. Click 'Start Capture'
4. Follow the steps in the first video tutorial