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System Maintenance Section 6-11
• On normal completion of the check, the message Memory Check OK is
displayed.
• If an error is discovered in the check, the message Memory Check NG is
displayed.
After confirming the result of the check, press Quit. The NT31/NT31C returns
to the DEVICE CHECK MENU screen.
Checking Touch Switches Check whether or not the touch switches function normally by following the
menu operation from the System Menu shown below.
Select Maintenance Mode.
Select I/O Check.
Select Device Check.
Ver 4.12