KERN RPB D Série Mode D'emploi page 63

Before calling-up an other PLU, the displayed basic price has to be deleted by
.
Calculating the change:
 Press
at the display sales price (e.g. 2.25 €).
 Enter the given amount of money, e.g. 5.00 € using the numeric keys
~ .
The balance calculates the change and displays it, e.g. 2.75 €.
 Using
or the balance returns into the weighing mode.
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