■ PLU Menu selection mode
When you select PLU Menu selection mode, the PLU Menu list appears at the left side and a key layout
screen selected in the screen selection mode appears at the right side as the following example.
To select a PLU Menu, click the PLU Menu in the list.
Selected PLU Menu's linked keys (PLU menu item keys) appears at the item key area in the key layout
screen (item key area).
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