Omron NT631C manual 190

System Maintenance Section 6-11

Adjust the backlight brightness by following the menu operation from the Sys- tem Menu shown below.

Ver 4.12

Select Maintenance Mode.

Select I/O Settings.

Select Brightness Adjust.

Adjust the contrast with the High, Middle, and Low touch switches in the left half of the screen.

Press Quit.

The contrast is set and the NT631/NT631C returns to the I/O SETTINGS MENU screen.

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