TOP > Various Settings of the Product > The Product's [Settings] Menu > [Tools] Menu > [Barcode Checker] > [Test] > [Interface] [Interface] Set the RS-232C interface usage. The options are as follows: RS-232C Use the RS-232C interface for communicating with computers. RS-232C Reader Select this when you connect the KEYENCE barcode checkers for the barcode check function. • A message prompting you to restart the product will appear on the Online/Offline screen if you have made any changes. In such a case, reboot the product to apply the settings. Related Topics Changing How the RS-232C Interface is Used (When Using the KEYENCE Barcode Checkers) Back to top