QMS PS 410, User Manual

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program’s documentation. The manual may say which flow control
protocol the program uses to print. If you can not find this
information, try sending a long document to the printer. A flow
control conflict is usually indicated by erratic printing: several
pages print but not the complete file. If you experience erratic
printing, switch your flow control protocol.
Changing flow control protocol, however, requires some technical
knowledge and may take some time. The following sections explain
how this is done in a general way. The specific commands may vary
according to what software application programs you use.
Changing the Default Parameters
The normal default parameters for the serial interface are
■ DTR/DSR software flow control protocol
■ Parity none
■ 9600 baud
■ 8 data bits
■ 1 stop bit
If any of these defaults are incompatible with your system, you can
change them. The defaults for parity, baud rate, data bits and stop
bits for the serial interface may be changed in two ways. The first,
and easiest, is with the PS Executive Series Utilities Program. You
may also use the PostScript command, setsccbatch, with integers
that identify the parameters. For example
integer(channel) integer(baud) integer(option) setsccbatch
Chapter 8
8 - 6 P r i n t e r / H o s t C o m m u n i c a t i o n