<s>
SCART	B-Protocol
(	O
also	O
known	O
as	O
or	O
,	O
especially	O
in	O
France	O
,	O
21-pin	B-Protocol
EuroSCART	I-Protocol
in	O
marketing	O
by	O
Sharp	O
in	O
Asia	O
,	O
Euroconector	O
in	O
Spain	O
,	O
EuroAV	B-Protocol
or	O
EXT	O
,	O
or	O
EIA	B-Protocol
Multiport	I-Protocol
in	O
the	O
United	O
States	O
,	O
as	O
an	O
EIA	O
interface	O
)	O
is	O
a	O
French-originated	O
standard	O
and	O
associated	O
21-pin	O
connector	O
for	O
connecting	O
audio-visual	O
(	O
AV	O
)	O
equipment	O
.	O
</s>
<s>
The	O
name	O
SCART	B-Protocol
comes	O
from	O
,	O
"	O
Radio	O
and	O
Television	O
Receiver	O
Manufacturers	O
 '	O
Association	O
"	O
,	O
the	O
French	O
organisation	O
that	O
created	O
the	O
connector	O
in	O
the	O
mid-1970s	O
.	O
</s>
<s>
The	O
related	O
European	O
standard	O
EN	O
50049	O
has	O
then	O
been	O
refined	O
and	O
published	O
in	O
1978	O
by	O
CENELEC	O
,	O
calling	O
it	O
péritelevision	O
,	O
but	O
it	O
is	O
commonly	O
called	O
by	O
the	O
abbreviation	O
péritel	B-Protocol
in	O
French	O
.	O
</s>
<s>
The	O
signals	O
carried	O
by	O
SCART	B-Protocol
include	O
both	O
composite	O
and	O
RGB	O
(	O
with	O
composite	O
synchronisation	O
)	O
video	O
,	O
stereo	O
audio	O
input/output	O
and	O
digital	O
signalling	O
.	O
</s>
<s>
SCART	B-Protocol
is	O
also	O
capable	O
of	O
carrying	O
S-Video	O
signals	O
,	O
using	O
the	O
red	O
pins	O
for	O
chroma	O
.	O
</s>
<s>
A	O
TV	O
can	O
be	O
woken	O
from	O
standby	O
mode	O
and	O
automatically	O
switch	O
to	O
the	O
appropriate	O
AV	O
channel	O
when	O
the	O
SCART	B-Protocol
attached	O
device	O
is	O
switched	O
on	O
.	O
</s>
<s>
SCART	B-Protocol
was	O
also	O
used	O
for	O
high	O
definition	O
signals	O
such	O
as	O
720p	O
,	O
1080i	O
,	O
1080p	O
with	O
YPbPr	O
connection	O
by	O
some	O
manufacturers	O
,	O
but	O
this	O
usage	O
is	O
scarce	O
due	O
to	O
the	O
advent	O
of	O
HDMI	B-Protocol
.	O
</s>
<s>
In	O
Europe	O
,	O
SCART	B-Protocol
was	O
the	O
most	O
common	O
method	O
of	O
connecting	O
AV	O
equipment	O
and	O
was	O
a	O
standard	O
connector	O
for	O
such	O
devices	O
;	O
it	O
was	O
far	O
less	O
common	O
elsewhere	O
.	O
</s>
<s>
The	O
official	O
standard	O
for	O
SCART	B-Protocol
is	O
CENELEC	O
document	O
number	O
EN	O
50049	O
–	O
1	O
.	O
</s>
<s>
SCART	B-Protocol
is	O
sometimes	O
referred	O
to	O
as	O
the	O
IEC	O
933-1	O
standard	O
.	O
</s>
<s>
Before	O
SCART	B-Protocol
was	O
introduced	O
,	O
TVs	O
did	O
not	O
offer	O
a	O
standardised	O
way	O
of	O
inputting	O
signals	O
other	O
than	O
RF	B-Protocol
antenna	O
connectors	O
,	O
and	O
these	O
differed	O
between	O
countries	O
.	O
</s>
<s>
For	O
example	O
,	O
a	O
domestic	O
VCR	O
could	O
output	O
a	O
composite	O
video	O
signal	O
through	O
a	O
German-originated	O
DIN-style	B-Architecture
connector	I-Architecture
,	O
an	O
American-originated	O
RCA	B-Protocol
connector	I-Protocol
,	O
an	O
SO239	B-Protocol
connector	I-Protocol
or	O
a	O
BNC	B-Protocol
connector	I-Protocol
.	O
</s>
<s>
The	O
SCART	B-Protocol
connector	I-Protocol
first	O
appeared	O
on	O
TVs	O
in	O
1977	O
.	O
</s>
<s>
The	O
SCART	B-Protocol
system	O
was	O
intended	O
to	O
simplify	O
connecting	O
AV	O
equipment	O
(	O
including	O
TVs	O
,	O
VCRs	O
,	O
DVD	B-Device
players	I-Device
and	O
games	B-Device
consoles	I-Device
)	O
.	O
</s>
<s>
The	O
signals	O
carried	O
by	O
SCART	B-Protocol
include	O
both	O
composite	O
and	O
RGB	O
(	O
with	O
composite	O
synchronisation	O
)	O
video	O
,	O
stereo	O
audio	O
input/output	O
and	O
digital	O
signalling	O
.	O
</s>
<s>
A	O
TV	O
can	O
be	O
awakened	O
from	O
standby	O
mode	O
,	O
and	O
it	O
can	O
automatically	O
switch	O
to	O
appropriate	O
AV	O
channel	O
,	O
when	O
the	O
device	O
attached	O
to	O
it	O
through	O
a	O
SCART	B-Protocol
connector	I-Protocol
is	O
turned	O
on	O
.	O
</s>
<s>
SCART	B-Protocol
is	O
bi-directional	O
regarding	O
standard	O
composite	O
video	O
and	O
analogue	O
audio	O
.	O
</s>
<s>
A	O
TV	O
will	O
typically	O
send	O
the	O
antenna	O
audio	O
and	O
video	O
signals	O
to	O
the	O
SCART	B-Protocol
sockets	O
all	O
the	O
time	O
and	O
watch	O
for	O
returned	O
signals	O
,	O
to	O
display	O
and	O
reproduce	O
them	O
.	O
</s>
<s>
A	O
VCR	O
will	O
often	O
have	O
two	O
SCART	B-Protocol
sockets	O
,	O
to	O
connect	O
it	O
to	O
the	O
TV	O
(	O
"	O
up	O
"	O
,	O
"	O
primary	O
"	O
or	O
"	O
1	O
"	O
)	O
,	O
and	O
for	O
video	O
input	O
from	O
a	O
set-top	O
box	O
or	O
other	O
device	O
(	O
"	O
down	O
"	O
,	O
"	O
secondary	O
"	O
or	O
"	O
2	O
"	O
)	O
.	O
</s>
<s>
The	O
"	O
down	O
"	O
socket	O
can	O
also	O
be	O
used	O
to	O
connect	O
other	O
devices	O
,	O
such	O
as	O
DVD	B-Device
players	I-Device
or	O
game	O
consoles	O
.	O
</s>
<s>
As	O
long	O
as	O
all	O
devices	O
have	O
at	O
least	O
one	O
"	O
down	O
"	O
and	O
"	O
up	O
"	O
socket	O
,	O
this	O
allows	O
for	O
connecting	O
a	O
virtually	O
unlimited	O
number	O
of	O
devices	O
to	O
a	O
single	O
SCART	B-Protocol
socket	O
on	O
the	O
TV	O
.	O
</s>
<s>
As	O
straight	O
links	O
(	O
RGB	O
red	O
and	O
blue	O
up	O
)	O
were	O
re-purposed	O
to	O
carry	O
chrominance	O
information	O
,	O
the	O
S-Video	O
pinouts	O
are	O
different	O
for	O
"	O
down	O
"	O
and	O
"	O
up	O
"	O
SCART	B-Protocol
connectors	I-Protocol
.	O
</s>
<s>
connecting	O
SCART	B-Protocol
1	O
(	O
"	O
up	O
"	O
)	O
from	O
one	O
device	O
to	O
SCART	B-Protocol
1	O
(	O
"	O
up	O
"	O
)	O
of	O
another	O
device	O
when	O
both	O
SCARTs	B-Protocol
are	O
configured	O
for	O
RGB//S	O
-video-up	O
.	O
</s>
<s>
connecting	O
SCART	B-Protocol
2	O
(	O
"	O
down	O
"	O
)	O
from	O
one	O
device	O
to	O
SCART	B-Protocol
2	O
(	O
"	O
down	O
"	O
)	O
of	O
another	O
device	O
when	O
both	O
SCARTs	B-Protocol
are	O
configured	O
for	O
S-video-down	O
.	O
</s>
<s>
connecting	O
SCART	B-Protocol
1	O
(	O
"	O
up	O
"	O
)	O
from	O
a	O
device	O
configured	O
RGB/	O
,	O
to	O
SCART	B-Protocol
2	O
(	O
"	O
down	O
"	O
)	O
of	O
another	O
device	O
configured	O
with	O
S-video-down	O
.	O
</s>
<s>
SCART	B-Protocol
enables	O
a	O
device	O
to	O
command	O
the	O
TV	O
to	O
very	O
quickly	O
switch	O
between	O
signals	O
,	O
in	O
order	O
to	O
create	O
overlays	O
in	O
the	O
image	O
.	O
</s>
<s>
In	O
order	O
to	O
implement	O
captioning	O
or	O
subtitles	O
,	O
a	O
SCART	B-Protocol
set-top	O
box	O
does	O
not	O
have	O
to	O
process	O
and	O
send	O
back	O
a	O
complete	O
new	O
video	O
signal	O
,	O
which	O
would	O
require	O
full	O
decoding	O
and	O
re-encoding	O
of	O
the	O
color	O
information	O
,	O
a	O
signal-degrading	O
and	O
costly	O
process	O
,	O
especially	O
given	O
the	O
presence	O
of	O
different	O
standards	O
in	O
Europe	O
.	O
</s>
<s>
The	O
box	O
can	O
instead	O
ask	O
the	O
TV	O
to	O
stop	O
displaying	O
the	O
normal	O
signal	O
and	O
display	O
a	O
signal	O
it	O
generates	O
internally	O
for	O
selected	O
image	O
areas	O
,	O
with	O
pixel-level	O
granularity	O
.	O
</s>
<s>
SCART	B-Protocol
allows	O
a	O
connected	O
device	O
to	O
bring	O
it	O
in	O
and	O
out	O
of	O
standby	O
mode	O
or	O
to	O
switch	O
it	O
to	O
the	O
AV	O
channel	O
.	O
</s>
<s>
Only	O
some	O
TVs	O
will	O
do	O
this	O
—	O
most	O
only	O
implement	O
automatic	O
switching	O
to	O
and	O
from	O
the	O
SCART	B-Protocol
input	O
.	O
</s>
<s>
SCART	B-Protocol
also	O
supports	O
automatic	O
widescreen	O
switching	O
.	O
</s>
<s>
In	O
the	O
second	O
case	O
,	O
the	O
widescreen	O
SCART	B-Protocol
signal	O
is	O
never	O
active	O
and	O
the	O
signal	O
source	O
performs	O
the	O
adaptations	O
itself	O
so	O
that	O
the	O
image	O
has	O
always	O
a	O
standard	O
format	O
as	O
a	O
result	O
.	O
</s>
<s>
The	O
limitations	O
apply	O
mostly	O
to	O
satellite	O
TVs	O
,	O
while	O
DVD	B-Device
players	I-Device
can	O
always	O
at	O
least	O
letterbox	O
and	O
often	O
zoom	O
.	O
</s>
<s>
The	O
original	O
SCART	B-Protocol
specification	O
provided	O
for	O
different	O
cable	O
(	O
cordset	O
)	O
types	O
denoted	O
by	O
a	O
key	O
color	O
,	O
but	O
color-coding	O
is	O
rarely	O
used	O
and	O
cables	O
often	O
use	O
different	O
,	O
non-standard	O
configurations	O
.	O
</s>
<s>
Maximum	O
SCART	B-Protocol
cable	O
length	O
is	O
estimated	O
to	O
be	O
about	O
10	O
to	O
15	O
metres	O
without	O
amplification	O
.	O
</s>
<s>
Due	O
to	O
the	O
relatively	O
high	O
signal	O
voltages	O
used	O
in	O
SCART	B-Protocol
,	O
"	O
hot	O
plugging	O
"	O
(	O
connecting	O
or	O
disconnecting	O
devices	O
while	O
they	O
are	O
on	O
)	O
is	O
not	O
recommended	O
.	O
</s>
<s>
Also	O
,	O
since	O
many	O
TVs	O
are	O
Class	O
II	O
(	O
double-insulated	O
)	O
rather	O
than	O
earthed	O
,	O
the	O
large	O
exposed	O
shield	O
on	O
the	O
SCART	B-Protocol
connector	I-Protocol
will	O
be	O
held	O
at	O
approximately	O
half	O
mains	O
voltage	O
if	O
it	O
is	O
plugged	O
into	O
a	O
powered	O
TV	O
with	O
the	O
other	O
end	O
unplugged	O
.	O
</s>
<s>
If	O
the	O
cable	O
is	O
then	O
plugged	O
into	O
an	O
earthed	O
device	O
with	O
a	O
metal	O
case	O
,	O
inadvertent	O
contact	O
with	O
the	O
SCART	B-Protocol
cable	O
shield	O
while	O
the	O
earthed	O
device	O
is	O
touched	O
with	O
the	O
other	O
hand	O
can	O
cause	O
a	O
painful	O
electric	O
shock	O
.	O
</s>
<s>
Quality	O
differences	O
exist	O
in	O
SCART	B-Protocol
cables	O
.	O
</s>
<s>
While	O
a	O
proper	O
SCART	B-Protocol
cable	O
uses	O
miniature	O
coaxial	O
cables	O
for	O
the	O
video	O
signals	O
,	O
cheap	O
SCART	B-Protocol
cables	O
often	O
use	O
plain	O
wires	O
for	O
all	O
signals	O
,	O
resulting	O
in	O
a	O
loss	O
of	O
image	O
quality	O
and	O
greatly	O
reducing	O
the	O
maximum	O
cable	O
length	O
.	O
</s>
<s>
A	O
common	O
problem	O
on	O
a	O
cheap	O
SCART	B-Protocol
cable	O
is	O
that	O
a	O
TV	O
outputs	O
a	O
composite	O
video	O
signal	O
from	O
its	O
internal	O
tuner	O
and	O
this	O
is	O
induced	O
or	O
crosstalked	O
onto	O
an	O
incoming	O
video	O
signal	O
due	O
to	O
inadequate	O
or	O
non-existent	O
screening	O
;	O
the	O
result	O
is	O
ghostly	O
images	O
or	O
shimmering	O
superimposed	O
on	O
the	O
incoming	O
signal	O
.	O
</s>
<s>
To	O
non-destructively	O
verify	O
if	O
a	O
SCART	B-Protocol
cable	O
uses	O
coaxial	O
cables	O
,	O
unscrew	O
the	O
strain	O
relief	O
at	O
the	O
SCART	B-Protocol
connector	I-Protocol
and	O
fold	O
open	O
the	O
plastic	O
shell	O
.	O
</s>
<s>
A	O
more	O
permanent	O
method	O
is	O
to	O
remove	O
pin	O
19	O
(	O
Video	O
Out	O
)	O
from	O
the	O
SCART	B-Protocol
plug	O
that	O
is	O
put	O
into	O
the	O
TV	O
,	O
preventing	O
a	O
signal	O
from	O
being	O
broadcast	O
by	O
the	O
TV	O
into	O
the	O
cable	O
,	O
so	O
it	O
cannot	O
cross-talk	O
with	O
the	O
incoming	O
signal	O
.	O
</s>
<s>
The	O
same	O
for	O
the	O
rare	O
component	O
YPbPr	O
,	O
which	O
is	O
in	O
many	O
cases	O
implemented	O
over	O
a	O
composite	O
or	O
RGB	O
SCART	B-Protocol
.	O
</s>
<s>
The	O
use	O
of	O
the	O
data	O
pins	O
was	O
not	O
standardised	O
in	O
the	O
original	O
SCART	B-Protocol
specification	O
,	O
resulting	O
in	O
the	O
use	O
of	O
several	O
different	O
protocols	O
,	O
both	O
proprietary	O
protocols	O
and	O
semi-proprietary	O
protocols	O
based	O
on	O
standards	O
such	O
as	O
D²B	O
.	O
</s>
<s>
It	O
is	O
a	O
single-wire	O
serial	O
data	B-General_Concept
bus	I-General_Concept
and	O
allows	O
carrying	O
remote	O
control	O
information	O
and	O
to	O
negotiate	O
analogue	O
signal	O
types	O
(	O
e.g.	O
</s>
<s>
It	O
appears	O
as	O
the	O
Consumer	O
Electronics	O
Control	O
channel	O
in	O
HDMI	B-Protocol
.	O
</s>
<s>
The	O
data	O
pins	O
,	O
10	O
,	O
12	O
,	O
14	O
,	O
were	O
used	O
by	O
some	O
manufacturers	O
for	O
DOLBY	O
ProLogic	O
,	O
surround	O
and	O
multichannel	O
on	O
their	O
TV	O
sets	O
(	O
some	O
high	O
end	O
models	O
with	O
built	O
in	O
Dolby	O
decoders	O
,	O
and	O
external	O
surround	O
speakers	O
,	O
both	O
CRT	O
,	O
LCD	O
and	O
plasma	O
sets	O
,	O
and	O
only	O
in	O
Europe	O
(	O
and	O
European	O
versions	O
of	O
Japanese	O
TV	O
Sets	O
and	O
DVD	B-Device
players	I-Device
)	O
,	O
and	O
mainly	O
on	O
S/PDIF	O
)	O
,	O
in	O
order	O
to	O
connect	O
a	O
DVD	B-Device
player	I-Device
to	O
the	O
TV	O
set	O
and	O
stream	O
the	O
Dolby	O
and	O
DTS	O
to	O
the	O
surround	O
of	O
the	O
TV	O
set	O
.	O
</s>
<s>
In	O
this	O
case	O
,	O
it	O
was	O
unusable	O
with	O
RCA	B-Protocol
to	O
SCART	B-Protocol
adapters	O
.	O
</s>
<s>
Also	O
,	O
if	O
a	O
Compatible	O
TV	O
with	O
such	O
connection	O
and	O
a	O
compatible	O
DVD	O
with	O
such	O
connection	O
,	O
but	O
from	O
different	O
manufacturers	O
were	O
interconnected	O
,	O
the	O
surround	O
might	O
not	O
work	O
,	O
and	O
only	O
the	O
stereo	O
sound	O
from	O
the	O
DVD	B-Device
player	I-Device
was	O
available	O
to	O
the	O
TV	O
,	O
because	O
some	O
manufacturers	O
did	O
not	O
use	O
SPDIF	O
,	O
but	O
an	O
own	O
protocol	O
.	O
</s>
<s>
Some	O
DVD	B-Device
player	I-Device
manufacturers	O
on	O
some	O
models	O
offered	O
SPDIF	O
only	O
on	O
SCART	B-Protocol
,	O
and	O
an	O
adapter	O
in	O
order	O
to	O
extract	O
the	O
digital	O
audio	O
signal	O
to	O
send	O
it	O
to	O
a	O
home	O
cinema	O
.	O
</s>
<s>
To	O
the	O
present	O
day	O
this	O
connection	O
remains	O
rare	O
,	O
as	O
HDMI	B-Protocol
,	O
S/PDIF	O
,	O
and	O
TOSLINK	O
can	O
provide	O
multichannel	O
audio	O
,	O
also	O
some	O
TV	O
sets	O
with	O
Surround	O
built	O
in	O
may	O
have	O
an	O
Optical	O
or	O
S/PDIF	O
INPUT	O
,	O
beside	O
Output	O
.	O
</s>
<s>
Nearly	O
all	O
modern	O
DVD	B-Device
players	I-Device
and	O
set-top	O
boxes	O
with	O
SCART	B-Protocol
sockets	O
can	O
output	O
RGB	O
signal	O
,	O
which	O
offers	O
superior	O
picture	O
quality	O
to	O
composite	O
signal	O
.	O
</s>
<s>
The	O
GameCube	B-Application
,	O
Wii	B-Operating_System
,	O
Neo-Geo	B-Operating_System
,	O
Dreamcast	B-Operating_System
,	O
PlayStation	B-Device
,	O
PlayStation	B-Device
2	I-Device
,	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
Xbox	B-Operating_System
and	O
Xbox	B-Operating_System
360	I-Operating_System
can	O
output	O
RGB	O
,	O
component	O
video	O
,	O
S-Video	O
,	O
or	O
composite	O
video	O
.	O
</s>
<s>
These	O
consoles	O
come	O
with	O
the	O
standard	O
composite	O
video	O
connector	O
,	O
but	O
the	O
manufacturers	O
and	O
third	O
parties	O
sell	O
connectors	O
for	O
component	O
video	O
hookup	O
and	O
for	O
RGB	O
SCART	B-Protocol
hookup	O
.	O
</s>
<s>
Where	O
the	O
Nintendo	B-Application
GameCube	I-Application
and	O
Xbox	B-Operating_System
automatically	O
switch	O
to	O
the	O
proper	O
mode	O
,	O
the	O
PlayStation	B-Device
2	I-Device
must	O
be	O
told	O
via	O
a	O
selection	O
in	O
the	O
system	O
menu	O
whether	O
it	O
is	O
to	O
use	O
YPBPR	O
or	O
RGB	O
video	O
.	O
</s>
<s>
RGB	O
is	O
only	O
available	O
on	O
PAL	O
region	O
GameCube	B-Application
and	O
Wii	B-Operating_System
consoles	I-Operating_System
,	O
while	O
S-Video	O
is	O
only	O
available	O
on	O
NTSC	O
consoles	O
.	O
</s>
<s>
Some	O
older	O
consoles	O
such	O
as	O
the	O
Master	O
System	O
,	O
Mega	B-Operating_System
Drive/Genesis	I-Operating_System
,	O
and	O
Super	B-Application
Nintendo	I-Application
Entertainment	I-Application
System	I-Application
output	O
RGB	O
,	O
and	O
many	O
older	O
home	O
computers	O
(	O
Amstrad	B-Device
CPC	I-Device
,	O
later	O
ZX	B-Operating_System
Spectrum	I-Operating_System
models	O
,	O
MSX	B-Operating_System
,	O
Amiga	B-Device
,	O
Atari	B-Device
ST	I-Device
,	O
BBC	B-Device
Micro	I-Device
and	O
Acorn	B-Device
Archimedes	I-Device
,	O
etc	O
.	O
)	O
</s>
<s>
output	O
RGB	O
with	O
composite	O
sync	O
suitable	O
for	O
SCART	B-Protocol
use	O
,	O
via	O
DIN	B-Architecture
plugs	I-Architecture
.	O
</s>
<s>
Standard-resolution	O
arcade	O
monitors	O
use	O
RGB	O
signals	O
with	O
a	O
composite	O
sync	O
,	O
which	O
is	O
SCART-compatible	O
.	O
</s>
<s>
Besides	O
simple	O
connection	O
of	O
external	O
devices	O
to	O
SCART	B-Protocol
TVs	O
,	O
RGB	O
SCART	B-Protocol
is	O
used	O
in	O
the	O
retrogaming	O
scene	O
for	O
connecting	O
vintage	O
games	B-Device
consoles	I-Device
(	O
including	O
ones	O
internally	O
modified	O
for	O
RGB	O
or	O
60Hz	O
RGB	O
where	O
necessary	O
)	O
to	O
:	O
</s>
<s>
The	O
SAM_Coupé	O
microcomputer	O
also	O
uses	O
a	O
SCART	B-Protocol
connector	I-Protocol
for	O
its	O
output	O
,	O
however	O
it	O
is	O
a	O
non-standard	O
pinout	O
.	O
</s>
<s>
There	O
is	O
also	O
a	O
Japanese	O
version	O
of	O
the	O
SCART	B-Protocol
connector	I-Protocol
,	O
which	O
is	O
referred	O
to	O
as	O
the	O
Japanese	O
RGB-21	O
connector	O
,	O
EIAJ	O
TTC-003	O
,	O
or	O
simply	O
JP-21	O
.	O
</s>
<s>
This	O
version	O
of	O
SCART	B-Protocol
uses	O
similar	O
signals	O
and	O
the	O
same	O
connector	O
,	O
but	O
it	O
has	O
a	O
different	O
pinout	O
.	O
</s>
<s>
It	O
was	O
adopted	O
in	O
Japan	O
for	O
the	O
connector	O
's	O
ability	O
to	O
support	O
RGB	O
output	O
format	O
(	O
no	O
compression	O
nor	O
deterioration	O
of	O
original	O
video	O
signals	O
)	O
but	O
,	O
contrary	O
to	O
SCART	B-Protocol
in	O
Europe	O
,	O
it	O
never	O
saw	O
widespread	O
use	O
on	O
the	O
consumer	O
market	O
.	O
</s>
<s>
When	O
using	O
RGB	O
video	O
,	O
the	O
red	O
channel	O
uses	O
the	O
same	O
pins	O
in	O
both	O
standards	O
,	O
so	O
red	O
video	O
with	O
no	O
audio	O
is	O
indicative	O
of	O
mismatching	O
JP-21	O
SCART	B-Protocol
with	O
EuroSCART	O
.	O
</s>
<s>
As	O
it	O
was	O
designed	O
to	O
carry	O
analog	O
standard-definition	B-Device
content	O
,	O
the	O
use	O
of	O
SCART	B-Protocol
has	O
declined	O
with	O
the	O
introduction	O
of	O
new	O
digital	O
standards	O
such	O
as	O
HDMI	B-Protocol
and	O
DisplayPort	B-Protocol
,	O
which	O
can	O
carry	O
high-definition	O
content	O
and	O
multichannel	O
audio	O
,	O
though	O
it	O
remains	O
commonly	O
used	O
.	O
</s>
<s>
HDMI-CEC	O
is	O
derived	O
from	O
SCART	B-Protocol
's	O
link	O
..	O
</s>
