Omron Programmable Terminals NT631C - Manual (Page 206)

189
System Maintenance Section 6-11
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.
Backlight Brightness
Adjustment (for NT631C-
ST141
@-EV@ only)
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.
Reference: In the NT631C-ST153 @-EV3, adjustment is not possible even though this
screen is displayed.
Press Quit.
[ ]: Increase 10 steps
[ ]: Increase 1 step
[ ]: Decrease 1 step
[ ]: Decrease 10 steps
Adjust the contrast with the touch switches in
the right half of the screen.
The contrast is set, and the NT631/NT631C
returns to the previous screen.