This feature switches the backlight to red. It is useful when creating warning signals.
There are 16 condition settings available.
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This feature is available for supported models.
1.5 Supported Features
When the backlight changes to Red, a screen display stays on even when the Standby Mode is set to [Screen OFF].
5.4.2.1 Display Unit [Display] - Screen Settings

Action Mode, Action Address, Condition, Comment
Double-click the line to display the [Backlight Color Settings] settings dialog box. The selected settings are shown in the box.
Selecting [Bit Action] / Selecting [Word Action]

Action Mode
Select either [Bit Action] or [Word Action].
Comment
Enter your comment using up to 20 characters.
Change condition to red
Configure the conditions for switching the backlight to red.
When you select [Bit Action] for [Action Mode]
Specifies whether to switch the color to red upon the specified [Bit Address] turning ON or OFF.
When you select [Word Action] for [Action Mode]
Displays in red when storing a value greater than the [Upper Limit] or less than the [Lower Limit]. The setting range between [Upper Limit] and [Lower Limit] is 0 to 65535.