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Presentation Device Data Entry 
As is the case with
Warehouse Management (LE-WM), both
character-based and GUI RF devices are supported. For more information, see
RF Device Support.
...
1. The worker logs on to the system.
2. The worker chooses the appropriate menu options by either physically touching the options (GUI devices), or by entering a number or chain of numbers corresponding to the options (character-based devices).
3. The worker chooses pushbutton functions by either physically touching the pushbuttons (GUI devices), or by choosing the corresponding function keys (character-based devices).
4. Presentation Management receives the resource inputs and calls the appropriate services.
