The firmware information and updated Openbook software is largely historic and camera units supplied after 2018 should have up to date firmware.
The Pearl camera is either not being detected or not working properly with Openbook and other Freedom Scientific BLV products.
There is known to be a problem with compatibility between Pearl and newer Intel chipsets, particular those featuring USB 3 support.
The firmware information and updated Openbook software is largely historic and camera units supplied after 2018 should have up to date firmware.
A firmware update is available to fix this problem, details here: http://www.freedomscientific.com/Support/TechnicalSupport/Bulletin/1623
In addition an updated Openbook software build is required to support the updated Pearl camera, see here:
http://www.freedomscientific.com/Downloads/OpenBook/Index