User manual

E
DID MANAGEMEN
T
2
7
E
xternal EDID Mana
g
emen
t
Th
e
8x8 Matrix for HDMI
features EDID Management. Before the source can
I
s
end video or audio si
g
nals, the source device reads the EDID
(
Extended Displa
y
Identi
fi
cation Data
)
f
rom the output devices connected to the
S
plitter. The EDID
c
ontains in
f
ormation about what t
y
pe o
f
audio
/
video data that the source can
s
end to each output device.
Th
e
8x8 Matrix for HDMI
routes multiple sources to multiple output devices.
I
This involves readin
g
EDID data
f
rom more than one device. Mana
g
ement o
f
the EDID data is important to maintain compatibilit
y
between all devices.
T
he followin
g
EDID features are copied from Output A
:
•
S
upported Resolutions
•
3
D
S
uppor
t
• A
ud
i
o
F
ea
t
u
r
es
D
ispla
y
Connections
:
• I
f
a device is not connected to
O
utput A, then no EDID chan
g
es are made,
meanin
g
that the previous EDID in
f
ormation will be used. This state will
be in e
ff
ect until a displa
y
is connected to
O
utput A and the Matrix is
p
ower-c
y
cled.
• EDID is built
f
rom
O
utput A to the Input. The audio block will be copied
f
rom
O
utput A. EDID-cop
y
in
g
is per
f
ormed onl
y
when the Matrix is reset or
p
ower-c
y
cled.