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Various System Settings Section 6-9
If Display erase is selected, the character string is not displayed, and the
backlight is also turned off while the screen display is off.
The default (factory) setting is Display erased.
The screen saver can be canceled, and former screen redisplayed, by any of
the following operations.
• Touching any part of the touch panel
• Screen switching due to PT status control area operations
• Screen switching due to bit memory table operations
• Execution of any of the following PT status control bit operations:
• Changing the backlight mode
• Screen printing (change from OFF to ON)
• Screen display (change from OFF to ON)
Reference: • The time before the screen is turned OFF is set by the Screen Saver Start
up Time setting. For details, refer to 6-9-8 Setting the Screen Saver Start-
up Time (page 173).
• Even if its operation has been set with the Screen Saver Movement set-
ting, the screen saver function will not be executed if 000 is set for Screen
Saver Start up Time.
• Screen saver function is enabled only through RUN mode of NT631/
NT631C. In System Menu or System Installer mode, this function is not
started.