You adjust the backlight to get a comfortable display light level when working in different environments.
In Operator Display, tap the menu button
On the menu, tap Settings .
On the Operator Display Settings screen, tap Display .
On the Display screen, drag the Active backlight slider to select the preferred light level when you are using Operator Display.
Drag the Inactive backlight slider to select the preferred light level when you are not using Operator Display.
Drag the slider all the way to the left to make the backlight turn off when your not using Operator Display.
Tap OK .