Service manual

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ECR LAB 5: ER-A520/A530
17. What does the middle column on the Free Key reading represent?
 Free Key Position #  Function #  Function Name
18. What does the right column on a ER-A520/530 Direct Key reading
represent?
 Direct Key #  Key Func.#  Desc.  PLU #, Dept #, Combo Item Link
 Menu Level #
19. What does the left column on a ER-A520/530 Direct Key reading
represent?
 Direct Key #  Key Func.#  Desc.  PLU #, Dept #, Combo Item Link
 Menu Level #
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