The Front-End firmware in the projector is what runs the projector.

Although it is possible for end users to upgrade this Firmware using a serial cable, 3D perception reccomends that all such upgrades are done by our technicians or trained service personnell.

It is reccomended to only perform an upgrade this if there are specific errors or issues that has been fixed in a later release than the one you are running.

Upgrading Frontend just to "run on the latest version" is not reccomended as there is always a risk that the upgrade may fail when performed by end users, or un-trained personnell.