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Window Look Up (WLU)
Overview
There are three types of items that can be found on a Window Look-Up (WLU): condiments,
functions, and PLUs. The same WLU can contain any combination of condiments,
functions, and PLUs.
Specific features and rules for WLUs are summarized below:
x A specific WLU can be activated automatically after a PLU is entered. (See "PLU
Programming" on page 57.)
x Pressing a WLU key on the keyboard can activate a specific WLU. (See "Keyboard
Key Relocation in S-Mode Programming.) Or, by placing the WLU# key on the
keyboard, any number of WLUs can be accessed by typing the WLU number and
pressing the WLU# key.
x A WLU can be linked to a subsequent WLU in order to prompt an operator through a
sequence of selections.
x Adding them in a specific order can control the order in which items appear on a
WLU. Items can be deleted or items can be added in the middle of a list.
x The total number of WLUs and the capacity of each WLU is set in memory
allocation. (See "Memory Allocation " in S-Mode Programming.) The default
capacity of each WLU is 28 items; the maximum capacity is 50 items.
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