2. PLU data format:
EG1:(when you set the 'OFF' in 'STOCK AND LOCATING')
Barcode + @ +Quantity + @ + Time + @ + Code + @ + ShopNo (If there is no
more than one shop, the ShopNo shows default value 0.)
EG1: (when you set the 'ON in 'STOCK AND LOCATING')
Barcode + @ +Quantity + @ + Time + @ + Location + @ + Operator
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