Optical reader having improved reprogramming features

摘要

An optical reading apparatus adapted to scan and decode data in accordance with the enabled ones of the parameters stored in a parameter table. The reader is equipped with random access and erasable read only memories, and with a processor having a menuing program that allows the contents of the parameter table to be changed by user presented menu symbols. The processor is programmed to respond to a reprogram command, generated by a data source external thereto, by allowing that external data source to change any one or more of the parameter table and the menuing program.