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Buzzer, Backlight, and Display Control
Section 8-2
8-2-5 Redisplaying the Turned-off Screen
The following operations redisplay the screen which has been turned off by the
screen saver function or due to the operation at the PT status control area.
- Switching the displayed screen (the new screen is displayed normally)
- Operation at the PT status control area (the previously displayed screen is re-
displayed)
- Pressing the touch panel (the previously displayed screen is redisplayed)
Redisplaying the Screen by Switching the Displayed Screen
If this method is used, no special operation is necessary to redisplay the screen.
The screen is redisplayed automatically.
[Setting]
No special setting is necessary.
[Operation]
Switching the screen during operation of the NT31/NT31C cancels the screen off
status and displays the new screen. For the procedure for switching the screen,
refer to 8-3-1 “Switching the Screen” (page 480).
Redisplaying the Screen by the Operation at the PT Status Control Area
This method allows the operator to redisplay the screen at any required time.
NT31/NT31C
Redisplaying the screen
← Control data
PC
PT status control area
Screen switch setting
Copy memory
table setting
PT status control setting
Reserved for system use
[Setting]
The PT status control area must be allocated to a word in the host, accordingly, no
special settings are required for the control of buzzer.
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