iFix RT809F - 2-Serial Port Switch; Flying Line; Mainboard Connection

 2—Serial port switch
When showing “Serial print”,the serial port is in the closed state.
When showing “Close”,the serial port is in the open state.
 Mainboard connection
RX TX Lead is on the VGA port,please use the matched VGA line directly.
RX TX Lead is on the HDMI port,please use the HDMI line or fly line from the locking socket.
RX TX Lead reserves the extension socket on the board.
4.15.2 Flying line
 If to fly line,please connect the bottom line with ground line.
 The position of the flying line on programmer:
 White plug,from top to bottom,pin1 to pin8,connect to 2 3 4 pin or 5 6 7pin.