<s>
Videoface	B-Device
Digitiser	O
is	O
a	O
video	O
digitiser	O
interface	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
home	O
computer	O
.	O
</s>
<s>
It	O
was	O
produced	O
by	O
Data-Skip	O
from	O
The	O
Netherlands	O
and	O
later	O
on	O
by	O
Romantic	B-Device
Robot	I-Device
UK	I-Device
Ltd	I-Device
from	O
UK	O
in	O
1987	O
.	O
</s>
<s>
Videoface	B-Device
takes	O
signal	O
from	O
any	O
video	O
source	O
with	O
composite	O
video	O
out	O
capability	O
.	O
</s>
<s>
It	O
produces	O
a	O
256	O
×	O
192	O
pixel	B-Algorithm
4-bit	O
screen	O
.	O
</s>
<s>
During	O
scanning	O
,	O
the	O
contrast	O
of	O
the	O
picture	O
can	O
be	O
adjusted	O
by	O
turning	O
the	O
knob	O
on	O
top	O
of	O
the	O
Videoface	B-Device
,	O
and	O
the	O
picture	O
can	O
be	O
shifted	O
horizontally	O
and	O
vertically	O
.	O
</s>
