Brother PT-9700PC - Manual (Page 12)

⑳ Communication settings
Settings can be specified for the following parameters for serial communication.
・ Baud Rate
115200bps, 57600bps, 38400bps, 31250bps,
28800bps, 19200bps, 14400bps, 9600bps,
4800bps, 2400bps, 1200bps, 600bps
Returns the four parameters to
their default settings.
Applies the four settings to the machine.
Closes the Communication
Settings dialog box.
・ Bit Length (bits)
8 bits, 7 bits
・ Parity
None, Odd, Even
・ Busy Control
DTR, XON/XOFF