A.

In the past, you could select which interface (LAN, RS232, 485, etc.) to use in the Text-In setting within the Event, but in the recently released new firmware, this part has been organized and functionally separated.

Changes
– Add Device Type/Port settings to be used in TextIn in advance in “DEVICE->Connector” as shown below, and then
Changed the way to select the Connector to use in “Event->Text-In”.