Omron NT31 NT31C manual 213

System Maintenance Section 6-11

Reference: S The functions of touch switches pressed during the I/O check are not notified to the host.

SThe check cannot be performed until the touch switch at the top right corner is displayed in reverse video (for NT31) or displayed in yellow (NT31C). Start the check after the status of the touch switch at the top right corner has changed.

213