VISUAL
TECHNOLOGY
INCORPORATED,
540
MAIN
STREET,
TEWKSBURY,
MA
01876
1.
INTRODUCTION
The
VISUAL
100 display terminal
is
an
attractive, full-featured
unit
offering
plug-to-plug com-
patibility
with
the DEC
VT100*
display terminal.
It
offers complete
compatibility
with
the
DEC
VT100
from
both
an
operator and software
point
of
view.
For
the operator, the detached
solid-state keyboard
has
been customized
so
that
all key positions and
LED
indicators are in iden-
tical location
to
that
of
the VT100.
For
the software, all codes and features, including
double
height/double
width
characters,
80/132
column screen, smooth scroll and selectable scroll
area
are
identical.
In
addition,
the
VISUAL
100 incorporates several features
as
standard which are extra cost
options
on the
VT100
such
as
an
advanced video package
(blink,
underline, high-intensity, reverse video)
and current
loop
interface. Other enhancements include non-glare screen
for
crisp,
easy
to
read
characters
even
in the brightest environments, and a rugged all-steel
case.
The
VISUAL
100 also
has
a
CRT
saver
feature which
causes
the screen
to
dim
if
the terminal
is
inactive
for
a period
of
8 min-
utes.
Hitting
any key on the keyboard
will
cause
the screen
to
return
to
normal intensity. This
feature greatly prolongs
CRT
life.
The
VISUAL
100 may also
be
easily interfaced
with
a variety
of
serial printers through
an
optional
buffered
printer
interface which allows independent
print/communication
baud rates and indepen-
dent parity. Printer busy may
be
monitored
using XON
XOF
F
protocol
or
control line. The
printer
option
also allows the
VISUAL
100
to
function
as
a
controller
between host and
printer,
using XON
XOFF
protocol.
*VT100
is
a trademark
of
Digital
Equipment
Corporation.
1
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