9. BACKUP FUNCTION EO1-111529. BACKUP FUNCTION9- 19. BACKUP FUNCTION(ONLY WHEN THE BACKUP MASTER IS CONNECTED)(1) Function• By connecting the Backup Master Terminal, the various files stored in the Master Terminal can be backedup.• The terminal assigned to ID No. 2 will function as a Backup Master Terminal. By programming ID No. 2 inthe terminal connection table and downloading this data to each terminal, the system will function as asystem in which the Backup Master Terminal is connected.• By changing terminal ID from 2 to 1, the Backup Master Terminal will function as the Master Terminal.< Files to be Backed Up >PLU Main Table(When the PLU inquiry function is used)Program dataSales dataPLU Additional Table(When the PLU inquiry function is used)Program dataSales dataLink PLU Table(When the PLU inquiry function is used)Program dataCashier Table(When the floating cashier system is used)Program dataSales dataCustomer File (Check Track) Table Program dataSales dataNegative Card Table Program dataNOTES: 1. Data capture (DC) transaction files are not backed up.2. The tables (center files) managed by the Master Terminal and used by each terminal via inquiriesand PC transmission information tables are backed up.• Sales data is backed up on a real-time basis.When sales data of the Master Terminal is updated, sales data of the Backup Master Terminal is updatedat the same time.• Backup data check function:Correspondence between the center files and backup data is checked every certain period of time.• Backup data update process:When an error occurs in backup data, the following processing methods can be selected according to theprogram option setting.(1) Automatic data copyWhen the version of the center file stored in the Master Terminal is different from that stored in theBackup Master Terminal, registration jobs are automatically prohibited, the backup data is properlyexchanged. While updating the backup data, each inquiry from the terminals may result in a“MASTER IS BUSY” error.(2) Manual data copyWhen the version of the center file stored in the Master Terminal is different from that of data stored inthe Backup Master Terminal, the Master Terminal gives a short beep at the timing of issuing the longreceipt to warn that the data is not backed up properly. The operator should update the backup datamanually.
