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Mend SAM4S ER-420m

allocate a vat key on sam4s?

i need to know how to allocate a vat key on my keypad sam4s ER-420m

ricky
January 2010
SAM4SSAM4S ER-420mOffice Appliances, Cash Registers

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Topic

SAM4S ER-420m: VAT Key Allocation