<s>
The	O
TV	B-Device
Scoreboard	I-Device
(	O
sometimes	O
called	O
RadioShack	O
TV	B-Device
Scoreboard	I-Device
)	O
is	O
a	O
Pong-like	O
dedicated	B-Device
home	B-Device
video	I-Device
game	I-Device
console	I-Device
manufactured	O
in	O
Hong	O
Kong	O
from	O
1976	O
through	O
the	O
early	O
'	O
80s	O
and	O
made	O
by	O
Tandy	O
.	O
</s>
<s>
The	O
TV	B-Device
Scoreboard	I-Device
consisted	O
of	O
a	O
left	O
and	O
right	O
player	O
,	O
with	O
dials	O
or	O
paddles	B-Device
on	O
the	O
hand	O
held	O
piece	O
,	O
and	O
had	O
multiple	O
Pong	B-Application
era	O
games	O
.	O
</s>
<s>
A	O
variant	O
also	O
included	O
a	O
revolver-type	O
light	B-Device
gun	I-Device
,	O
which	O
was	O
used	O
for	O
a	O
clay	O
pigeon	O
shooting	O
game	O
.	O
</s>
<s>
Using	O
additional	O
cosmetic	O
attachments	O
to	O
the	O
light	B-Device
gun	I-Device
,	O
the	O
user	O
could	O
change	O
its	O
appearance	O
to	O
be	O
that	O
of	O
a	O
rifle	O
.	O
</s>
<s>
Games	O
and	O
game	O
modes	O
,	O
including	O
difficulty	O
settings	O
and	O
serving	O
settings	O
,	O
could	O
be	O
adjusted	O
with	O
switches	B-Device
.	O
</s>
<s>
It	O
ran	O
on	O
either	O
an	O
AC	O
adapter	O
,	O
or	O
six	O
1.5	O
V	O
AA	B-Algorithm
batteries	I-Algorithm
.	O
</s>
<s>
The	O
console	O
belongs	O
to	O
the	O
first	B-Device
generation	I-Device
of	I-Device
video	I-Device
game	I-Device
console	I-Device
and	O
is	O
based	O
on	O
one	O
single	O
chip	O
,	O
the	O
General	O
Instrument	O
AY-3-8500	O
.	O
</s>
