Sony PCS-1P - Manual (Page 50)

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PCS-1/PCS-1P
(3) Select “COM1” in “Connect To” and click the “OK” button.
(4) Set the baud rate as described below and click the “OK” button.
Bit/s: 38,400
Data bit: 8
Parity: None
Stop bit: 2
Flow control: Xon/Xoff