CITIZEN CL-S521 - Manual (Page 34)

2
Printer Operation
34
Top Menu Sub Menu Default Menu Remarks
RS-232C Stop bit 1 bit 1 bit Sets the stop bit of the serial interface.
2 bits
RS-232C X-ON Yes Yes Selects the X-ON flow control of the serial
No interface.
IEEE1284 ON ON Enable or disables the 'enhanced' features of
OFF the IEEE1284 parallel interface.
Web Monitor* Auto Auto Selecting the web monitor function.
On
Off
USB Device Class Printer Printer Selects the USB device class.
VCOM
USB VCOM Protocol Auto Auto Selects the protocol (flow control) when
DTR operating USB VCOM.
X-ON
Mode Settings
[Datamax
® Emulation]
* Displayed only when an optional LAN board is connected to a printer.