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3. You can now change the parameters and click File(F) > Write Paras(W) to send and save
the parameters to the YSC10U. If the communication is successful you should be getting
a “Write correct” message, which means that the parameters has been saved.
The new parameters will stay saved in the unit even if you disconnect it from the power
source.
If at any time you are getting an error message saying “Cannot open port” or “Error” it usually
means that either:
E. The virtual COM port created by the USB serial adapter’s driver has not been
created properly.
F. You choose an incorrect COM port, (check in Windows Device Manager).
G. 5VDC not connected to the YSC10U unit
H. Cables not properly connected
