QMS 1660 Reference Manual page 73

Sets the check bit used to identify data transmission errors.
Menu Administration/Communications/Serial/Parity
Choices Even, None, Odd
Default None
Notes The printer's parity setting must match that of the host or
application.
Use the Administration/Communications/Serial/Ignore Par. Err.
menu to specify how the printer handles parity errors.
Sets the binary communications protocol (BCP) for communicating
over a serial interface to a PostScript printer. See chapter 5, "Addi-
tional Technical Information," for a full discussion of PS Protocol.
Menu Administration/Communications/Serial/PS Protocol
Choices Normal—Enable standard, ASCII hex protocol. Data is sent
Normal Fixed—Enable standard, ASCII hex protocol. Print
Binary—Enable binary communications protocol. Print jobs
Binary Fixed—Enable binary communications protocol. Print
Default Normal
Sets the software communication protocol used by the printer to con-
trol communication from the host computer.
Menu Administration/Communications/Serial/Rcv Sw Flow Ctl
and received in ASCII format. This mode is recommended
if you do not print binary data. It was designed for data in
the printable ASCII range. Print jobs can alter the PS
protocol value through PostScript operators.
jobs cannot alter this value through PostScript operators.
can alter this value through PostScript operators. Data in
the printable ASCII range also prints.
jobs cannot alter this value through PostScript operators.
Data in the printable ASCII range also prints.