Seiko Instruments SII Black-and-White Raster Plotter LP-1020 - Manual (Page 214)

13-4
Settings
In order to operate the plotter using the Terioplot software, it is necessary
to preset the plotter, install the Terioplot software and specify various
settings. For details, see the documents supplied with the Terioplot
software package.
The documents supplied with this software also describe how to use and
how to configure.
◆ When using the Terioplot software, ensure that the "A
SERIES" of ENABLE SERIES in the system menu is set
to "ON." The default setting is "ON."
Notes