Epson HX-20 User Manual - Page 8

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permanently with the desired capabilities. Only one option ROM can fit inside the HX-20 at a time, but it's a powerful means of customizing the HX-20 for a desired application-without diminishing in any way its ability to run BASIC programs or to accept option cartridges. Option cartridges also tailor the HX-20 for specific applications. You can install a cartridge in moments, simply by sliding it into a recessed compartment in the case of the HX-20. Insert a program cartridge for one or more ready-to-run applications programs; or slide in the microcassette cartridge, which contains a complete microcassette recorder suitable for storing programs and data files. If your applications require more memory than the HX-20 features, just attach an expansion unit, which virtually doubles the read-write memory and permanent memory of the system. -an ordinary cassette recorder, for permanent storage of programs and data; -a display controller, which enables the HX-20 to display text and graphics on your television set or on a video monitor; -a printer, for full-page printouts of text and graphics; Should you decide to expand the capabilities of your HX-20 even further, you may connect it to such external devices as: 1- I -a modem or acoustic coupler, to enable your HX-20 to com- municate over telephone lines to other computers and net- works such as CompuServe@ and The Source"; 3

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permanently with the desired
capabilities. Only one option
ROM can fit inside the HX-20 at
a time, but it’s a powerful means
of customizing the HX-20 for a
desired
application-without
diminishing in any way its abil-
ity to run BASIC programs or to
accept
option cartridges.
Option cartridges
also tailor
the HX-20 for specific applica-
tions. You can install a cartridge
in moments, simply by sliding it
into a recessed compartment in
the case of the HX-20. Insert a
program
cartridge for one or
more ready-to-run applications
programs; or slide in the
micro-
cassette
cartridge, which con-
tains a complete microcassette
recorder suitable for storing
programs and data files.
If your applications require
more memory than the HX-20
features, just attach an
expan-
sion unit,
which virtually dou-
bles the read-write memory
and permanent memory of the
system.
Should you decide to expand
the capabilities of your HX-20
even further, you may connect it
to such external devices as:
-an ordinary
cassette recorder,
for permanent storage of pro-
grams and data;
-a
display controller,
which
enables the HX-20 to display
text and graphics on your
television set or on a video
monitor;
-a
printer,
for full-page print-
outs of text and graphics;
1-
I
-a
modem
or
acoustic coupler,
to enable your HX-20 to com-
municate over telephone lines
to other computers and net-
works such as
CompuServe@
and
The Source”;
3