NEC T30A - Lcd; Button; Table 1-2 Button on Operatorpanel

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1.3.2.2 LCD
The LCD panel displays the library state, operations, messages, library settings, error messages, etc.
The LCD panel has a built-in backlight LED and is backlit when the operator panel is used.
If you disable the Auto Backlight OFF function on the OP Panel Settings menu, the backlight is
automatically turned off if the specified time elapses without any operation being performed.
1.3.2.3 Button
Table 1-2 Button on OperatorPanel
Direction button
It is used for the selection of the operation menu and the cursor position movement.
Enter button
Use this button to select the item currently indicated by the cursor. Also use this button to
determine the selected menu or value.
Cancel button
Use this button to cancel the selected menu or value or to return to the previous (upper
level) menu.