Sharp UP-820F - Manual (Page 20)

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In the IRC system, the following two systems for PLU/EAN stock control are available: a centralized system
and an individual system.
In choosing the type of PLU/EAN stock control system, please consult your authorized SHARP dealer.
Centralized system
Preset stock data is stored only in the master. Stock data in each satellite must be zero before a PLU/EAN
entry is made.
When a consolidated report is generated, stock data in respective satellites is consolidated into the stock file
in the master and calculated there.
The stock data calculated at the master is displayed or printed out and the stock data in each satellite is
reset to zero at the same time.
Individual system
The master and satellites store their own preset stock data. When a consolidated report is generated, the
stock data in the master and satellites is consolidated and displayed or printed out.
In the individual system, the consolidation does not affect the stock data in the master.
NOTE
10. PLU/EAN stock control