Omron NT31 NT31C manual Checking the Backlight, Screen Data Memory

	System Maintenance		Section 6-11
Checking the Backlight		Check if the backlight functions normally by following the menu operation from
		the System Menu shown below.
		Ver 3.10	Select Maintenance Mode.

Select I/O Check.

Select Device Check.

Select Backlight Check.

	• If the backlight is normal, it flashes. At this time, the Backlight Check touch
	switch is displayed in reverse video.
	• To end the backlight check, press the Backlight Check touch switch again.
Screen Data Memory	Check if the screen data memory is functioning normally.
Check

Reference: S In the screen data memory check, a write test is performed on the screen data memory. Since all the screen data in the NT31/NT31C is lost in this check, confirm that this data is backed up at the Support Tool or memory unit before executing it.

SIf writing to the screen data memory is disabled by the setting for System Set- tings in the System Installer mode, it is not possible to execute a screen data check.

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