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10. Price change function
When a price for the UPC item is changed at a machine (master or satellite), its PLU/UPC main
file or dynamic PLU/UPC file is updated by the new price data (unit price and associated
department).
The new data is then automatically distributed to all other machines to update the PLU/UPC
main files or dynamic PLU/UPC files which contain the code of the item.
The data on an UPC item whose price has been changed at a satellite is also stored in the T-
LOG buffer of the satellite. The data stored in the T-LOG buffer is collected by the T-LOG polling
after the open-store operation at the master to update its PLU/UPC main file or dynamic UPC
file.
For further information on the price change function, see the UP-600 or UP-700 instruction
manual.
For the PLU/UPC price change data flow, see the following scenarios.
• When the price is changed at the master:
• When the price is changed at a satellite.
NOTE
If a transmission error occurs during the automatic distribution of the updated data to other machines
after a price is changed, the machine number of the terminal which caused the error and the type of
error are printed out at the sending machine. In this case, the system retry function can be used if it
is enabled. (For the system retry function, see page 57.)
11. Customer data control
In the IRC system, customer data is centrally controlled by the master. Customer data which is
temporarily stored in the T-LOG buffer of a satellite is sent to the master by T-LOG polling after
the open-store operation and is controlled by the master. (For further information on T-LOG
polling, see page 14.)
PLU/UPC
main file
Dynamic
UPC file
Dynamic
UPC file
PLU/UPC
main file
T-LOG
buffer
Master
Satellite
Automatic distribution of
updating data to all satellites
Registration by the
price change function
PLU/UPC
main file
Dynamic
UPC file
Dynamic
UPC file
PLU/UPC
main file
T-LOG
buffer
Saving
Updating
Master Satellite
Price change data
(unit prices and
associated
departments)
T-LOG polling and
updating
Automatic distribution of
updating data to the master
and all other satellites