NEC FA Series Installation And Maintenance Manual page 109

Select the port in "Select Communication Port", and then click "Next".
In the Screen Configuration screen that is displayed, select the "Sending Card" tab.
Click the "Restore Factory Settings" button for initialization.
After initialization, configure the settings for "Select Input Source" and "Source Configuration".
If the factory setting is correctly configured and the device connection is the same as when the factory setting
was configured, check the settings without performing initialization.
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