20 • Introduction Sam4S 230, 3xx, 4xx, 52xx Electronic Cash Register AU
ER-420M Keyboard
The ER-420M keyboard includes 48 key positions with the default legends and key
assignments as shown below. This configuration has 12 keyboard NLU locations. The
keyboard legend label can be replaced by removing the protective plastic key cap.
Programmable key locations are shown with a bold border.
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