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9. BACKUP FUNCTION EO1-11152
9. BACKUP FUNCTION
9- 1
9. 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 backed
up.
• The terminal assigned to ID No. 2 will function as a Backup Master Terminal. By programming ID No. 2 in
the terminal connection table and downloading this data to each terminal, the system will function as a
system 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 data
Sales data
PLU Additional Table
(When the PLU inquiry function is used)
Program data
Sales data
Link PLU Table
(When the PLU inquiry function is used)
Program data
Cashier Table
(When the floating cashier system is used)
Program data
Sales data
Customer File (Check Track) Table Program data
Sales data
Negative Card Table Program data
NOTES: 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 inquiries
and 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 updated
at 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 the
program option setting.
(1) Automatic data copy
When the version of the center file stored in the Master Terminal is different from that stored in the
Backup Master Terminal, registration jobs are automatically prohibited, the backup data is properly
exchanged. While updating the backup data, each inquiry from the terminals may result in a
“MASTER IS BUSY” error.
(2) Manual data copy
When the version of the center file stored in the Master Terminal is different from that of data stored in
the Backup Master Terminal, the Master Terminal gives a short beep at the timing of issuing the long
receipt to warn that the data is not backed up properly. The operator should update the backup data
manually.