Omron NT631C manual 189

System Maintenance Section 6-11

Backlight Brightness Adjustment (for NT631C- ST141@-EV@only)

Reference:

Setting Using Brightness and Contrast Adjustment Screen

Display screen number 9030 using either a touch switch with switch screen function, or by specifying the display screen in the PT status control area.

Adjust the contrast with the touch switches in the right half of the screen.

[	]:	Increase 10 steps
[	]:	Increase 1 step
[	]:	Decrease 1 step
[	]:	Decrease 10 steps

Press Quit.

The contrast is set, and the NT631/NT631C returns to the previous screen.

The NT631C-ST141@-EV@allows the brightness of the backlight to be adjusted in 3 steps. The BRIGHTNESS ADJUST screen enables you to make the adjustment while actually checking the brightness on the screen.

In the NT631C-ST153@-EV3, adjustment is not possible even though this screen is displayed.

189