User manual

1
3
T
ROUBLESHOOTIN
G
C
able recommendation
s
S
olid core
C
at-
5
e cable rated at
350
MHz and terminated in
568
a or
568
b is th
e
m
inimum requirement. For resolutions
g
reater than 1280x1024 or 1080i,
G
e
f
e
n
r
ecommends solid shielded
C
at-
6
cables.
N
o vide
o
M
ake sure that the source is not a dual-link source
(
resolutions
g
reater than
1920 x 1200
)
. I
f
usin
g
a DVI, the source si
g
nal must not be HD
C
P-encr
y
pted.
M
ake sure that DIP switch 2 on the Receiver Unit is set to the
O
N position. The
2
x DVIKVM Ext
e
n
de
r will onl
y
pass HD
C
P content when usin
g
HDMI sources.
I
f
this does not resolve the issue, then make sure that the displa
y
(
sink
)
is
c
ompatible with the source. Ensure that the resolution and timin
g
o
f
the source
device can be used with the displa
y
(
or other sink
)
connected to the Receiver
U
nit. Next, make sure that the
C
at-5 cable, connectin
g
the
S
ender Unit and
R
eceiver Unit is
rml
y
connected to the LINK ports on both units. I
f
this does not
s
olve the issue, tr
y
disconnectin
g
and then reconnectin
g
the power
f
rom both the
S
ender
U
nit and the Receiver
U
nit. Make sure that both units work with shorter
C
at-5e cables
(
15 - 20
f
eet
)
be
f
ore extendin
g
to
g
reater distances.
I
ntermittent loss of vide
o
Flickerin
g
or a blinkin
g
ima
g
e is the result o
f
a loss o
f
s
y
nc between the displa
y
and the source. Tr
y
lowerin
g
the source resolution
(
e.
g
.
f
rom 1080p to 720p
)
. I
f
this solves the issue, then the
C
at-5 cables bein
g
used to connect the
S
ender
U
nit and the Receiver Unit are unable to handle the bandwidth o
f
the hi
g
her
r
esolution and thus
y
ou are losin
g
s
y
nc. Replace the existin
g
C
at-5 cables with
a shielded
C
at-6 cable. Electroma
g
netic Inter
f
erence
(
EMI
)
f
rom
uorescent
l
i
g
hts,
g
enerators, and A
/C
unit motors can also cause intermittent loss o
f
video.
S
hielded
C
at-
6
cable with the drain wire soldered to the connectors will resolve
the issue. Also make sure to eliminate an
y
patch panels and wall plates. Patch
p
anels and wall plates are prone to EMI i
f
the
y
are not shielded properl
y
.
I
mage is tinted green or pin
k
An ima
g
e that is tinted
g
reen or pink is the result o
f
the incorrect color space
bein
g
transmitted. Make sure that the displa
y
and source both support the same
c
olor space.
S
ettin
g
DIP switch 1 on the Receiver Unit, to the
O
FF position, will
u
se the Local EDID. EDID
f
eatures newer than HDMI 1.
3
are removed when
the displa
y
is read. This provides a
g
eneral EDID which is compatible with more
displa
y
s.