NEC PC-8201A - Page 171

Chapter 8
data transmission is halted if the ECHO command is executed when
the printer is not properly connected. In su ch a case, outputtcit e
printer can be interruped if both the Key and the eys
are pressed simultaneously.
If a slow speed printer is being used, the PC-8201 cannot
process any subsequent data received until previous y
transmitted data is printed. It will instead accumulate
data in the buffer. However, data is lost if control is
not affected by an X parameter. Be sure to control
communication by an X parameter when the PC-8201 is
connected to a printer.
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