A curing light system useful for curing light activated composite materials is disclosed. The locating cap holds a magnet. The contact face is provided with a contact face outer contacting surface which is made from a contact face material similar similar to the workpiece plating material which is to be plated onto the semiconductor workpiece. This encoding allows for compact and efficient transfer of information during presentation to a user. The removed segments and data supplement are communicated to the selected recipient on a second channel andor at another time.