Epson Y16499100301 User Manual page 41

If you are using only the built-in serial port, you need to be
concerned only with the primary serial port-and only then if
you want to change the default parameters for communication.
For example, if you have a serial printer attached to the
built-in serial port, you can use the Primary serial port option
to match the computer's parameters to the printer's switch
settings so that you do not need to use the MS-DOS MODE
command to set up the serial port each time you want to use
it.
The primary serial port is the one designated in MS-DOS
as COM1:-normally the built-in serial port. The secondary
serial port is the one you address as COM2:-normally the
serial port on the optional modem card. If your computer has a
modem card installed and you turn on DIP switch 4 on the
back panel so the built-in port is secondary, COM1: and
COM2: are reversed. Consider this if you alter the serial port
settings in the following instructions.
The procedure for changing the serial port settings is
identical for the primary and secondary serial ports. To alter
the primary serial port parameters, press
serial port and press
parameters, press J twice to select Secondary serial port.
You see a menu of the serial parameters with their default
values:
Baud rate
Parity
Data length
Stop bits
* * * SAVE SETTINGS * * *
Note
Check the manual that came with the serial device you are
using to determine which settings to use for these parameters.
1-26
To alter the secondary serial port
Enter.
9 6 0 0 b p s
None
bits
8
1 bit(s)
Primary
to select
Setting Up Your System