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8 • Getting Started ER-390M
Rear Display
The rear display is a 10 digit florescent display that allows your customer to monitor the
transaction and view the sale total. The rear display can be lifted and turned for easy
customer viewing.
Rear Display Information
Item Count
The number of times an item has been repeated is displayed
Amount
The amount of the item, subtotal or total, is displayed in the
rightmost portion of the display
Rear Display Message
C
Change Due
-
Negative entry
Sub
Subtotal of the sale
=
Total of the sale