<s>
The	O
AT&T	B-Application
Sceptre	I-Application
was	O
a	O
graphical	O
terminal	B-General_Concept
launched	O
by	O
AT&T	O
in	O
October	O
1983	O
,	O
used	O
for	O
the	O
two	O
largest	O
deployments	O
of	O
videotex	B-Operating_System
in	O
the	O
United	O
States	O
:	O
Knight	O
Ridder	O
's	O
Viewtron	O
service	O
in	O
Florida	O
,	O
and	O
the	O
Los	O
Angeles	O
Times	O
 '	O
Gateway	O
service	O
in	O
Southern	O
California	O
.	O
</s>
<s>
The	O
Sceptre	O
was	O
the	O
basic	O
bit	O
of	O
home	O
kit	O
needed	O
for	O
the	O
services	O
,	O
to	O
paint	O
NAPLPS-standard	O
geometrically-specified	O
pages	O
to	O
the	O
screen	O
.	O
</s>
<s>
The	O
set	O
top	O
unit	O
came	O
with	O
a	O
separate	O
battery-powered	O
infrared	O
wireless	O
keyboard	B-Device
and	O
an	O
integrated	O
1200/75	O
baud	O
7-bit	O
modem	B-Application
,	O
and	O
used	O
a	O
domestic	O
television	O
set	O
for	O
display	O
.	O
</s>
<s>
Internally	O
it	O
was	O
based	O
on	O
an	O
Intel	B-Device
8088	I-Device
processor	O
,	O
the	O
same	O
as	O
used	O
in	O
the	O
original	O
IBM	B-Device
PC	I-Device
,	O
with	O
127K	O
ROM	O
and	O
48K	O
RAM	O
,	O
and	O
display	O
circuitry	O
based	O
on	O
a	O
6845	B-General_Concept
CRTC	I-General_Concept
.	O
</s>
<s>
However	O
,	O
unlike	O
those	O
machines	O
the	O
Sceptre	O
was	O
strictly	O
a	O
dedicated	O
terminal	B-General_Concept
.	O
</s>
<s>
Specifying	O
the	O
Sceptre	O
gave	O
the	O
videotex	B-Operating_System
services	O
the	O
advantage	O
of	O
a	O
single	O
graphics	O
standard	O
to	O
design	O
their	O
pages	O
to	O
,	O
and	O
it	O
positioned	O
the	O
services	O
squarely	O
as	O
aiming	O
for	O
the	O
more	O
general	O
domestic	O
consumer-electronics	O
customer	O
,	O
rather	O
than	O
a	O
more	O
specialist	O
computing	O
sector	O
.	O
</s>
<s>
Keyfax	O
,	O
a	O
third	O
NAPLPS-based	O
service	O
,	O
based	O
in	O
Chicago	O
,	O
had	O
offered	O
its	O
users	O
an	O
alternative	O
Honeywell	O
Synertek	O
design	O
,	O
somewhat	O
sleeker	O
in	O
appearance	O
than	O
ATT	O
's	O
Sceptre	O
,	O
initially	O
for	O
$750	O
,	O
later	O
reduced	O
to	O
$350	O
;	O
or	O
to	O
use	O
their	O
own	O
computers	O
.	O
</s>
<s>
The	O
NAPLPS	B-Protocol
protocol	O
was	O
later	O
re-used	O
for	O
the	O
basis	O
of	O
the	O
graphics	O
of	O
the	O
Prodigy	O
online	O
service	O
,	O
which	O
began	O
in	O
1988	O
.	O
</s>
