System Maintenance - Omron Programmable Terminals NT31 NT31C Setup Manual

System Maintenance

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.
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:
Low, middle contrast:
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.
10000 hours
25000 hours
Section 6-11
193