Omron Programmable Terminals NT631C - Manual (Page 218)

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System Maintenance Section 6-11
If you wish to continue by checking another screen, repeat the operation,
starting by specifying the screen number.
To end the operation, press Quit on the screen number selection screen. The
NT631/NT631C returns to the MAINTENANCE MODE MENU screen.
6-11-7 Device Check
The NT631/NT631C provides checks on the functions of the following items.
• Buzzer page 202
• LED page 203
• LCD page 204
• Backlight page 204
• Screen data memory page 205
• Touch switches page 207
• Battery voltage page 208
Press Disp.
Press Quit to return to the screen number
selection screen.
Touching the top or bottom of the screen
changes the way the display elements
overlap each other in the order in which they
are registered.
In this example, the bottom portion of the
touch switch, which is under the lamp, will be
displayed over the lamp.
When you have finished checking the screen,
press the central part of the screen to return
to the screen number selection screen.