Now started programming but would you know how to stop the PLU report dump once it has started ?! (report 88) , we only use something like 60 buttons but the report lits all the blank ones and is up...

Hi Just taken over a cafe in Spain that has a Uniwell UX-40F till . Not sure where to start as no manuals etc. We need to reprogram with completely new items prices etc I am pretty literate with IT ...