Omron NT31 NT31C manual 193

System Maintenance Section 6-11

Backlight Brightness Adjustment

Setting Using Brightness and Contrast Adjustment Screen

Display screen number 9030 using either a touch switch with switch screen func- tion, 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

[Y]: Increase 1 step

[B]: Decrease 1 step

[ ]: Decrease 10 steps

Press Quit.

The contrast is set, and the NT31/NT31C returns to the previous screen.

The NT31/NT31C 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. The length of hours the backlight lasts in a normal temperature are as follows.

High contrast:	10000 hours
Low, middle contrast:	25000 hours

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