TOP > Various Menus of the Application > The [Settings] Menu > [Interface] Menu > [RS-232C] Settings [RS-232C] Settings Sets the RS-232C connection. Appears only if the printer is equipped with this interface. The setting items are as follows: [Baudrate]Set the baud rate (bps).[Parameters]Set the data parameters.[Flow Control]Set the communication protocol.[BCC]Enable or disable the BCC check function.Available only if you have selected [STATUS5] in the [Flow Control] menu.