Auto Volume
S
t
a
bilize
r
w
/
Di
D
D
D
D
D
D
gi
gi
gi
g
tal
Au
u
u
u
u
u
u
d
d
di
o
De
D
co
o
de
de
r
r
GT
T
T
V
V
V-
V
VOVO
VO
O
O
O
VO
L
L
L
LC
LC
L
L
ON
ON
N
N
T-
T
T
T
D
D
Use
Use
r M
r
r
r M
M
r
anu
anu
a
al
a
a
Auto Volume St
a
bilize
r
w/
Di
D
D
D
D
D
D
gi
gi
gi
g
tal
Au
u
u
u
u
u
u
d
d
di
o
De
D
co
o
de
de
r
r
GT
T
T
V
V
V-
V
VO
VO
VO
O
O
O
VO
L
L
LC
LC
LC
L
LC
ONON
N
N
T
T-
T-
T
D
D
D
D
Use
Use
r Mr M
r
r
M
r
anu
anu
a
al
a
a
ASKING FOR ASSISTANC
E
ASKING FOR ASSISTANC
E
T
echnical Su
pp
or
t
:
Telephone
(
818
)
772-910
0
(
800
)
545-690
0
Fax
(
818
)
772-912
0
T
echnical Su
pp
ort Hours
:
8
:00 AM to 5:00 PM Monda
y
thru Frida
y
P
S
T.
Write To
:
G
e
f
en LL
C
c/
o
C
ustomer
S
ervic
e
2
0600
Nordho
ff
S
t
C
hatsworth,
C
A 9131
1
www.
g
e
f
entv.com
s
upport
@g
e
f
entv.com
Notic
e
G
e
f
en LL
C
reserves the ri
g
ht to make chan
g
es in the hard ware, packa
g
in
g
and an
y
accompan
y
in
g
doc u men ta tion without prior written notice.
G
efenTV Auto Volume Stabilizer w/Di
g
ital Audio Decoder is a trademark o
f
G
e
f
en LL
C
M
anu
f
actured under license
f
rom Dolb
y
Laboratories.
“
Dolb
y
” and the double-D s
y
mbol are trademarks o
f
Dolb
y
Laboratories.
©
2010
G
e
f
en LL
C
, All Ri
g
hts Reserve
d
All trademarks are the propert
y
o
f
their respective owners.
T
echnical Su
pp
or
t
:
Telephone
(
818
)
772-910
0
(
800
)
545-690
0
Fax
(
818
)
772-912
0
T
echnical Su
pp
ort Hours
:
8
:00 AM to 5:00 PM Monda
y
thru Frida
y
P
S
T.
Write To
:
G
e
f
en LL
C
c/
o
C
ustomer
S
ervic
e
2
0600
Nordho
ff
S
t
C
hatsworth,
C
A 9131
1
www.
g
e
f
entv.com
s
upport
@g
e
f
entv.com
Notic
e
G
e
f
en LL
C
reserves the ri
g
ht to make chan
g
es in the hard ware, packa
g
in
g
and an
y
accompan
y
in
g
doc u men ta tion without prior written notice.
G
efenTV Auto Volume Stabilizer w/Di
g
ital Audio Decoder is a trademark o
f
G
e
f
en LL
C
M
anu
f
actured under license
f
rom Dolb
y
Laboratories.
“
Dolb
y
” and the double-D s
y
mbol are trademarks o
f
Dolb
y
Laboratories.
©
2010
G
e
f
en LL
C
, All Ri
g
hts Reserve
d
All trademarks are the propert
y
o
f
their respective owners.
Rev A
3
R
e
v A
3
CONTENT
S
CONTENT
S
Introduction
...............................................................................................................................................
1
O
p
eration Notes
........................................................................................................................................
2
Features
.....................................................................................................................................................
3
P
anel La
y
ou
t
.............................................................................................................................................
4
P
anel Descri
p
tions
...................................................................................................................................
5
Connecting And Operating The Auto Volume Stabilizer
.......................................................................
r
6
Switchin
g
Operational Modes
.................................................................................................................
7
A
uto Volume Stabilizer Remote Descri
p
tion
..........................................................................................
8
S
p
ecifi cations
...........................................................................................................................................
9
Warrant
y
..................................................................................................................................................
10
Introduction
...............................................................................................................................................
1
O
p
eration Notes
........................................................................................................................................
2
Features
.....................................................................................................................................................
3
P
anel La
y
ou
t
.............................................................................................................................................
4
P
anel Descri
p
tions
...................................................................................................................................
5
Connecting And Operating The Auto Volume Stabilizer
.......................................................................
r
6
Switchin
g
Operational Modes
.................................................................................................................
7
A
uto Volume Stabilizer Remote Descri
p
tion
..........................................................................................
8
S
p
ecifi cations
...........................................................................................................................................
9
Warrant
y
..................................................................................................................................................
10
1
1
INTRODUCTIO
N
C
on
g
ratulations on
y
our purchase of the Gefen TV Auto Volume Stabilizer. Your complete satisfaction is ver
y
impor-
t
a
nt t
o
us
.
G
efenTV
GefenTV is a unique product line caterin
g
to the
g
rowin
g
needs for innovative home theater solutions. We specialize
in total inte
g
ration for
y
our home theater, while also focusin
g
on
g
oin
g
above and be
y
ond customer expectations to
e
nsure
y
ou
g
et the most from
y
our hardware. We invite
y
ou to explore our distinct product line. We’ll be happ
y
to
assist
y
ou with
y
our particular needs
.
T
he GefenTV Auto Volume Stabilizer
Anno
y
ed b
y
loud commercials? En
j
o
y
listenin
g
to the same volume levels when watchin
g
an
y
TV pro
g
ram or durin
g
c
ommercials, no matter what is on. The GefenTV Auto Volume Stabilizer with Di
g
ital Audio Decoder product serves
two functions: it is a hi
g
h-qualit
y
volume stabilizer and it also delivers a mixdown from 5.1-channel to two-channel, Left
R
i
g
ht audio si
g
nals usin
g
Dolb
y
AC3 decodin
g
. It actuall
y
makes volume ad
j
ustments in such a subtle wa
y
that
y
ou
won
’
t even notice the chan
g
es
.
U
sin
g
Dolb
y
Volum
e
™
technolo
gy
, the unit senses chan
g
es in volume levels, and then maintains a stead
y
volume
l
evel for an
y
input sound comin
g
from DVD, Blu-ra
y
or other multimedia source. Listen to movies and TV shows easil
y
without the inconvenience of continuousl
y
fi ddlin
g
with the volume levels. An additional feature includes a b
y
pass
button that allows incomin
g
audio to pass throu
g
h the Stabilizer unmodifi ed, ideal for situations where volume levellin
g
would be undesirable, such as when en
j
o
y
in
g
movies and classical music where volume can var
y
si
g
nifi cantl
y
.
How It Works
Place the GefenTV Auto Volume Stabilizer somewhere close to where
y
ou want to connect it. Connect the audio
s
ource into the back of the unit
(
either di
g
ital audio or analo
g)
. Connect the audio output of the unit to an A/V receiver.
C
onnect the included 5V DC external power suppl
y
to the back of the unit. The LED in the front will li
g
ht up red show-
in
g
that the unit is in “standb
y
mode.” Next push the “B
y
pass” button or press the “Power” button on the supplied I/R
r
emote control, and the LED next to the “B
y
pass” button will chan
g
e to Blue or off while one of the three audio input
LEDs will also li
g
ht up bri
g
ht blue. This corresponds to the chosen audio input source connected at the rear panel o
f
the unit. Press the audio selector button at the back of the unit to select the audio input.
INTRODUCTIO
N
C
on
g
ratulations on
y
our purchase o
f
the
G
e
f
en TV Auto Volume
S
tabilizer. Your complete satis
f
action is ver
y
impor-
t
a
nt t
o
us
.
G
efenTV
G
e
f
enTV is a unique product line caterin
g
to the
g
rowin
g
needs
f
or innovative home theater solutions. We specialize
in total inte
g
ration
f
or
y
our home theater, while also
f
ocusin
g
on
g
oin
g
above and be
y
ond customer expectations to
e
nsure
y
ou
g
et the most
f
rom
y
our hardware. We invite
y
ou to explore our distinct product line. We’ll be happ
y
to
assist
y
ou with
y
our particular needs.
T
he GefenTV Auto Volume Stabilizer
Anno
y
ed b
y
loud commercials? En
j
o
y
listenin
g
to the same volume levels when watchin
g
an
y
TV pro
g
ram or durin
g
c
ommercials, no matter what is on. The GefenTV Auto Volume Stabilizer with Di
g
ital Audio Decoder product serves
two functions: it is a hi
g
h-qualit
y
volume stabilizer and it also delivers a mixdown from 5.1-channel to two-channel, Left
R
i
g
ht audio si
g
nals usin
g
Dolb
y
AC3 decodin
g
. It actuall
y
makes volume ad
j
ustments in such a subtle wa
y
that
y
ou
won
’
t even notice the chan
g
es
.
U
sin
g
Dolb
y
Volum
e
™
technolo
gy
, the unit senses chan
g
es in volume levels, and then maintains a stead
y
volume
l
evel for an
y
input sound comin
g
from DVD, Blu-ra
y
or other multimedia source. Listen to movies and TV shows easil
y
without the inconvenience of continuousl
y
fi ddlin
g
with the volume levels. An additional feature includes a b
y
pass
button that allows incomin
g
audio to pass throu
g
h the Stabilizer unmodifi ed, ideal for situations where volume levellin
g
would be undesirable, such as when en
j
o
y
in
g
movies and classical music where volume can var
y
si
g
nifi cantl
y
.
How It Works
Place the GefenTV Auto Volume Stabilizer somewhere close to where
y
ou want to connect it. Connect the audio
s
ource into the back of the unit
(
either di
g
ital audio or analo
g)
. Connect the audio output of the unit to an A/V receiver.
C
onnect the included 5V DC external power suppl
y
to the back of the unit. The LED in the front will li
g
ht up red show-
in
g
that the unit is in “standb
y
mode.” Next push the “B
y
pass” button or press the “Power” button on the supplied I/R
r
emote control, and the LED next to the “B
y
pass” button will chan
g
e to Blue or
O
ff while one of the three audio input
LEDs will also li
g
ht up bri
g
ht blue. This corresponds to the chosen audio input source connected at the rear panel o
f
the unit. Press the audio selector button at the back of the unit to select the audio input.
OPERATION NOTE
S
2
2
READ THESE NOTES BEFORE INSTALLING OR
OPERATING THE GEFENTV AUTO VOLUME STABILIZER
• The
G
e
f
en TV Auto Volume
S
tabilizer uses Dolb
y
Volum
e
™
technolo
gy
to ad
j
ust input si
g
nal
volume automaticall
y
. It is best used
f
or TV pro
g
rammin
g
where the level o
f
sound rises and
f
alls
to unacceptable levels.
• The
S
tabilizer can be b
y
passed in situations where a wide d
y
namic ran
g
e is appropriate
(
such as
movies and classical s
y
mphon
y
concerts where volume levellin
g
is undesirable
)
.
S
ee pa
g
e 7
f
or
de
t
a
il
s
o
n h
o
w t
o
• The IR Remote
C
ontrol allows operation o
f
the
G
e
f
en TV Auto Volume
S
tabilizer
f
rom a
co
m
fo
rt
ab
l
e
d
i
s
t
a
n
ce
.
• The
G
e
f
en TV Auto Volume
S
tabilizer supports the
f
ollowin
g
audio si
g
nal conversions
:
Analo
g
to Analo
g
(
two-channel stereo to two-channel stereo
)
.
Analo
g
to Di
g
ital
(
two-channel stereo to optical
/
coaxial
)
.
Di
g
ital to Di
g
ital
(
two-channel
/
multi-channel optical
/
coaxial to optical
/
coaxial
)
.
Di
g
ital to Analo
g
(
two-channel
/
multi-channel optical
/
coaxial to two-channel stereo
)
.
• Dolb
y
Di
g
ital
(
A
C
-3
)
encoded multi-channel sources will be converted to Dolb
y
L
/
R when output on
both the analo
g
and di
g
ital outputs.
OPERATION NOTE
S
READ THESE NOTES BEFORE INSTALLING OR
OPERATING THE GEFENTV AUTO VOLUME STABILIZER
• The
G
e
f
en TV Auto Volume
S
tabilizer uses Dolb
y
Volum
e
™
technolo
gy
to ad
j
ust input si
g
nal
volume automaticall
y
. It is best used
f
or TV pro
g
rammin
g
where the level o
f
sound rises and
f
alls
to unacceptable levels.
• The
S
tabilizer can be b
y
passed in situations where a wide d
y
namic ran
g
e is appropriate
(
such as
movies and classical s
y
mphon
y
concerts where volume levellin
g
is undesirable
)
.
• The IR Remote
C
ontrol allows operation o
f
the
G
e
f
en TV Auto Volume
S
tabilizer
f
rom a
co
m
fo
rt
ab
l
e
d
i
s
t
a
n
ce
.
• The
G
e
f
en TV Auto Volume
S
tabilizer supports the
f
ollowin
g
audio si
g
nal conversions
:
Analo
g
to Analo
g
(
two-channel stereo to two-channel stereo
)
.
Analo
g
to Di
g
ital
(
two-channel stereo to optical
/
coaxial
)
.
Di
g
ital to Di
g
ital
(
two-channel
/
multi-channel optical
/
coaxial to optical
/
coaxial
)
.
Di
g
ital to Analo
g
(
two-channel
/
multi-channel optical
/
coaxial to two-channel stereo
)
.
• Dolb
y
Di
g
ital
(
A
C
-3
)
encoded multi-channel sources will be converted to Dolb
y
L
/
R when output on
both the analo
g
and di
g
ital outputs.
3
3
FEATURE
S
Features
• Prevent
fl
uctuations in audio volume usin
g
Dolb
y
Volume™ processin
g
technolo
gy
.
• Automatic down-mixin
g
f
rom Dolb
y
Di
g
ital 5.1
(
A
C
-3
)
to two-channel L
/
R on all outputs ensures
c
ompatibilit
y
with broadcast
f
ormats.
• Boosts low and hi
g
h-
f
requenc
y
content d
y
namicall
y
(
20 bands
/
channel
)
usin
g
an advanced
p
s
y
cho-acoustic modelin
g
en
g
ine. Prevents loss o
f
audio
fi
delit
y
re
g
ardless o
f
audio level. Enables
c
onsistent volume levels at all times between TV channels and between pro
g
ram materials.
• Volume Modeler: Delivers the perception o
f
a
f
ull-ran
g
e audio experience at an
y
volume level. For
e
xample: the Volume
C
ontroller will d
y
namicall
y
ad
j
ust bass and treble in order to compensate
f
or
audible
f
requencies lost due to low volume.
• Built-in analo
g
-to-di
g
ital and di
g
ital-to-analo
g
conversion.
• B
y
pass Mode permits audio to pass throu
g
h unmodi
fi
ed b
y
Dolb
y
Volume™ processin
g
(
Dolb
y
Di
g
ital™ 5.1 is down-mixed to two-channel L
/
R
f
ormat
)
.
• All outputs remain active re
g
ardless o
f
the input selection.
• The Input
S
elect button allows choice between analo
g
L
/
R,
C
oax, or
O
ptical inputs.
•
S
tandb
y
Mode
f
or low-power consumption.
P
acka
g
e Includes
(
1
)
Auto Volume
S
tabilizer w
/
Di
g
ital Audio Decoder
(
1
)
6
f
t. T
OS
LINK
C
abl
e
(
1
)
5V D
C
Power
S
uppl
y
(
1
)
IR Remot
e
(
1
)
User’s Manual
Features
• Prevent
fl
uctuations in audio volume usin
g
Dolb
y
Volume™ processin
g
technolo
gy
.
• Automatic down-mixin
g
f
rom Dolb
y
Di
g
ital 5.1
(
A
C
-3
)
to two-channel L
/
R on all outputs ensures
c
ompatibilit
y
with broadcast
f
ormats.
• Boosts low and hi
g
h-
f
requenc
y
content d
y
namicall
y
(
20 bands
/
channel
)
usin
g
an advanced
p
s
y
cho-acoustic modelin
g
en
g
ine. Prevents loss o
f
audio
fi
delit
y
re
g
ardless o
f
audio level. Enables
c
onsistent volume levels at all times between TV channels and between pro
g
ram materials.
• Volume Modeler: Delivers the perception o
f
a
f
ull-ran
g
e audio experience at an
y
volume level. For
e
xample: the Volume
C
ontroller will d
y
namicall
y
ad
j
ust bass and treble in order to compensate
f
or
audible
f
requencies lost due to low volume.
• Built-in analo
g
-to-di
g
ital and di
g
ital-to-analo
g
conversion.
• B
y
pass Mode permits audio to pass throu
g
h unmodi
fi
ed b
y
Dolb
y
Volume™ processin
g
(
Dolb
y
Di
g
ital™ 5.1 is down-mixed to two-channel L
/
R
f
ormat
)
.
• All outputs remain active re
g
ardless o
f
the input selection.
• The Input
S
elect button allows choice between analo
g
L
/
R,
C
oax, or
O
ptical inputs.
•
S
tandb
y
Mode
f
or low-power consumption.
P
acka
g
e Includes
(
1
)
Auto Volume
S
tabilizer w
/
Di
g
ital Audio Decoder
(
1
)
6
f
t. T
OS
LINK
C
abl
e
(
1
)
5V D
C
Power
S
uppl
y
(
1
)
IR Remot
e
(
1
)
User’s Manual
FEATURE
S
4
P
ANEL LAYOU
T
Front Panel
Front Panel
Back Panel
Back Panel
1
1
2*
2*
5
5
6
6
3
3
4
4
7
7
8
8
9
9
10
10
1
1
1
1
12
12
1
3
1
3
1
4
1
4
4
P
ANEL LAYOU
T
O
perational Mod
e
*
BYPA
SS
LED
C
olor
S
tandb
y
RED
(
Input LEDs are not
g
lowin
g)
Dolb
y
Di
g
ital, Dolb
y
Volume
O
N BL
UE
Dolb
y
Di
g
ital , Dolb
y
Volume
O
FF Purple
(
RED + BLUE
)
P
C
M , Dolb
y
Volume
On
Blank
(
LED is not
g
lowin
g)
P
C
M , Dolb
y
Volume
Off
RED
O
perational Mod
e
*
BYPA
SS
LED
C
olor
S
tandb
y
RED
(
Input LEDs are not
g
lowin
g)
Dolb
y
Di
g
ital, Dolb
y
Volume
O
N BL
UE
Dolb
y
Di
g
ital , Dolb
y
Volume
O
FF Purple
(
RED + BLUE
)
P
C
M , Dolb
y
Volume
On
Blank
(
LED is not
g
lowin
g)
P
C
M , Dolb
y
Volume
Off
RED
5
5
P
ANEL DESCRIPTION
S
1
Bypass Button
U
sed to place the unit i
n
B
y
pass Mode,
allowin
g
the si
g
nal to pass throu
g
h
u
nm
od
i
fi
ed
.
2
Bypass LED
Indicated the current operatonal mode o
f
the
u
nit.
S
ee Pa
g
e 4 and 7
f
or details.
3
I/
R Por
t
U
sed to communicate with the included I
/
R
re
m
o
t
e
4
L/
R LED
Th
e
LED will t
u
rn
b
l
ue
t
o
in
d
i
ca
t
e
th
e
aud
i
o
s
ource is set to L
/
R analo
g
5
C
oax
(
S/PDIF
)
LED
Turns blue to indicate that the audio input is
s
et to
C
oa
x
6
Optical
(
TOSLINK
)
LED
Turns blue to indicate that the audio input is
s
et to
O
ptical
7
5V DC Power Receptacle
C
onnect the included 5V D
C
power suppl
y
to
this por
t
8
I
nput Select Button
U
sed to select between L
/
R audio,
C
oax, and
O
ptical inputs
9
Optical
(
TOSLINK
)
Inpu
t
C
onnect an
O
ptical cable
f
rom this port to the
O
ptical output port on the A
/
V equipmen
t
10
C
oax
(
S/PDIF
)
Inpu
t
C
onnect a
C
oax cable
f
rom this port to a
C
oax
input port on the A
/
V equipmen
t
11
Analog L/R (RCA) Inpu
t
C
onnect an R
C
A L
/
R stereo pair
f
rom these
p
orts to the R
C
A L
/
R output pair on the source
de
vi
ce
1
2 Optical
(
TOSLINK
)
Outpu
t
C
onnect an optical cable
f
rom this port to the
O
ptical input port on the A
/
V equipmen
t
13
C
oax
(
S/PDIF
)
Outpu
t
C
onnect a
C
oax cable
f
rom this port to a
C
oax
input port on the A
/
V equipmen
t
14
Analog L/R (RCA) Outpu
t
C
onnect a L
/
R R
C
A stereo pair
f
rom this output
to a L
/
R R
C
A stereo input pair on the A
/
V
e
quipmen
t
1
Bypass Button
U
sed to place the unit i
n
B
y
pass Mode,
allowin
g
the si
g
nal to pass throu
g
h
u
nm
od
i
fi
ed
.
2
Bypass LED
Indicated the current operational mode o
f
the
u
nit.
S
ee Pa
g
e 4 and 7
f
or details.
3
I/
R Por
t
U
sed to communicate with the included I
/
R
re
m
o
t
e
4
L/
R LED
Th
e
LED will t
u
rn
b
l
ue
t
o
in
d
i
ca
t
e
th
e
aud
i
o
s
ource is set to L
/
R analo
g
5
C
oax
(
S/PDIF
)
LED
Turns blue to indicate that the audio input is
s
et to
C
oa
x
6
Optical
(
TOSLINK
)
LED
Turns blue to indicate that the audio input is
s
et to
O
ptical
7
5V DC Power Receptacle
C
onnect the included 5V D
C
power suppl
y
to
this por
t
8
I
nput Select Button
U
sed to select between L
/
R audio,
C
oax, and
O
ptical inputs
9
Optical
(
TOSLINK
)
Inpu
t
C
onnect an
O
ptical cable
f
rom this port to the
O
ptical output port on the A
/
V equipmen
t
10
C
oax
(
S/PDIF
)
Inpu
t
C
onnect a
C
oax cable
f
rom this port to a
C
oax
input port on the A
/
V equipmen
t
11
Analog L/R (RCA) Inpu
t
C
onnect an R
C
A L
/
R stereo pair
f
rom these
p
orts to the R
C
A L
/
R output pair on the source
de
vi
ce
1
2 Optical
(
TOSLINK
)
Outpu
t
C
onnect an optical cable
f
rom this port to the
O
ptical input port on the A
/
V equipmen
t
13
C
oax
(
S/PDIF
)
Outpu
t
C
onnect a
C
oax cable
f
rom this port to a
C
oax
input port on the A
/
V equipmen
t
14
Analog L/R (RCA) Outpu
t
C
onnect a L
/
R R
C
A stereo pair
f
rom this output
to a L
/
R R
C
A stereo input pair on the A
/
V
e
quipmen
t
P
ANEL DESCRIPTION
S
6
6
How to Connect the Gefen TV Auto Volume Stabilizer
1.
C
onnect the audio source to the Audio Input section o
f
the
G
e
f
enTV Auto Volume
S
tabilizer usin
g
the
O
ptical,
C
oax and
/
or L
/
R analo
g
audio cables.
2.
C
onnect another set o
f
audio optical, coax, and
/
or L
/
R analo
g
audio cables
f
rom the Audio
O
utput
s
ection o
f
the
G
e
f
enTV Auto Volume
S
tabilizer to the input
(
s
)
o
f
the A
/
V equipment.
3
.
C
onnect the included 5 V D
C
power adapter to the rear panel power receptacle. The LED next to
the BYPA
SS
button will turn RED. The unit is now powered up in
S
tandb
y
(
power-savin
g)
Mode.
4. At this point, select the desired input source
(O
ptical,
C
oax, or L
/
R audio
)
b
y
usin
g
the Input
S
elect
button on the rear panel, or use the
S
ELE
C
T button on the IR remote. NOTE
:
All audio outputs are
l
ive re
g
ardless o
f
the currentl
y
selected input.
5
. To be
g
in operation, press the BYPA
SS
button once brie
fl
y
. The
S
tabilizer powers up in Dolb
y
Volume™ Processin
g
Mode b
y
de
f
ault. Volume-levelled audio is now heard
f
rom the selected input
s
ource. Press BYPA
SS
a
g
ain. Dolb
y
Volume processin
g
is disabled and audio passes throu
g
h the
S
tabilizer unmodi
fi
ed.
6
. The BYPA
SS
LED will chan
g
e colors accordin
g
to the t
y
pe o
f
audio si
g
nal and the active
O
perational Mode. The table o
f
O
perational Modes and BYPA
SS
LED
C
olors on pa
g
e 4 shows all
p
ossible operational states and LED colors displa
y
ed. Please read it care
f
ull
y.
CONNECTING AND OPERATING THE AUTO VOLUME STABILIZER
CONNECTING AND OPERATING THE AUTO VOLUME STABILIZER
How to Connect the Gefen TV Auto Volume Stabilizer
1.
C
onnect the audio source to the Audio Input section o
f
the
G
e
f
enTV Auto Volume
S
tabilizer usin
g
the
O
ptical,
C
oax and
/
or L
/
R analo
g
audio cables.
2.
C
onnect another set o
f
audio optical, coax, and
/
or L
/
R analo
g
audio cables
f
rom the Audio
O
utput
s
ection o
f
the
G
e
f
enTV Auto Volume
S
tabilizer to the input
(
s
)
o
f
the A
/
V equipment
.
3
.
C
onnect the included 5 V D
C
power adapter to the rear panel power receptacle. The LED next to
the BYPA
SS
button will turn RED. The unit is now powered up in
S
tandb
y
(
power-savin
g)
Mode.
4. At this point, select the desired input source
(O
ptical,
C
oax, or L
/
R audio
)
b
y
usin
g
the Input
S
elect
button on the rear panel, or use the
S
ELE
C
T button on the IR remote. NOTE
:
All audio outputs are
l
ive re
g
ardless o
f
the currentl
y
selected input.
5
. To be
g
in operation, press the BYPA
SS
button once brie
fl
y
. The
S
tabilizer powers up in Dolb
y
Volume™ Processin
g
Mode b
y
de
f
ault. Volume-levelled audio is now heard
f
rom the selected input
s
ource. Press BYPA
SS
a
g
ain. Dolb
y
Volume processin
g
is disabled and audio passes throu
g
h the
S
tabilizer unmodi
fi
ed.
6
. The BYPA
SS
LED will chan
g
e colors accordin
g
to the t
y
pe o
f
audio si
g
nal and the active
O
perational Mode. The table o
f
O
perational Modes and BYPA
SS
LED
C
olors on pa
g
e 4 shows all
p
ossible operational states and LED colors displa
y
ed. Please read it care
f
ull
y
.
7
SWITCHING OPERATIONAL MODE
S
D
olb
y
Volume™ Processin
g
Mode
s
tabilizes incomin
g
audio si
g
nals so that the listener does not have
to manuall
y
ad
j
ust them while en
j
o
y
in
g
audio
/
video sources
(
ideal
f
or television broadcasts
)
. Dolb
y
Vol-
u
me Processin
g
Mode is active b
y
de
f
ault a
f
ter the initial power-up sequence
(
see step 5 on pa
g
e 6
)
. To
e
nter this mode
f
rom BYPA
SS
Mode, press the BYPA
SS
button once. The BYPA
SS
LED will turn solid
BLUE or
O
FF when Dolb
y
Volume Processin
g
Mode is active. The color o
f
the BYPA
SS
LED depends
on the t
y
pe o
f
input si
g
nal. Please re
f
er to the BYPA
SS
LED
C
olor chart on pa
g
e 4
f
or
B
y
pass Mod
e
a
ll
o
w
s
input audio to pass throu
g
h the
G
e
f
en TV Auto Volume
S
tabilizer without bein
g
s
ub
j
ect to volume stabilization
(
ideal
f
or movies and pre-recorded audio
)
. This mode is activated b
y
p
ressin
g
the BYPA
SS
button on the
f
ront panel or the BYPA
SS
button on the remote
(G
e
f
en
S
KU
#
G
TV-
V
O
L
C
-IR
)
. When the
G
e
f
en TV Auto Volume
S
tabilizer is in B
y
pass Mode, the B
y
pass LED will turn RED
or PURPLE
(
dependin
g
on the t
y
pe o
f
input si
g
nal; please re
f
er to the BYPA
SS
LED
C
olor chart on pa
g
e
4
)
. To enable Dolb
y
Volume™ processin
g
a
g
ain, press the BYPA
SS
button a
g
ain.
O
nce Dolb
y
Volume
Processin
g
Mode is active, the LED on the
f
ront panel will be BLUE or BLANK as described above.
Standb
y
Mod
e
minimizes power consumption durin
g
periods o
f
disuse. To enter
S
tandb
y
Mode, press
and hold the BYPA
SS
button on the
f
ront panel. A
f
ter a
f
ew seconds, the B
y
pass LED will turn RED
and the three audio input si
g
nal t
y
pe LEDs will be dark, indicatin
g
that
S
tandb
y
Mode is active.
S
tandb
y
M
ode can also be activated b
y
pressin
g
the BYPA
SS
button on the IR remote control. To leave
S
tandb
y
M
ode, press the BYPA
SS
button on the
f
ront panel
(
or the
S
TANDBY button on the IR remote
)
. The
G
e
f
enTV Auto Volume
S
tabilizer will start up in Dolb
y
Volume Processin
g
Mode
.
7
How to activate the Dolb
y
Volum
e
™
, B
y
pass, and Standb
y
Modes
How to activate the Dolb
y
Volum
e
™
, B
y
pass, and Standb
y
Modes
SWITCHING OPERATIONAL MODE
S
D
olb
y
Volume™ Processin
g
Mode
s
tabilizes incomin
g
audio si
g
nals so that the listener does not have
to manuall
y
ad
j
ust them while en
j
o
y
in
g
audio
/
video sources
(
ideal
f
or television broadcasts
)
. Dolb
y
Vol-
u
me Processin
g
Mode is active b
y
de
f
ault a
f
ter the initial power-up sequence
(
see step 5 on pa
g
e 6
)
. To
e
nter this mode
f
rom BYPA
SS
Mode, press the BYPA
SS
button once. The BYPA
SS
LED will turn solid
BLUE or
O
FF when Dolb
y
Volume Processin
g
Mode is active. The color o
f
the BYPA
SS
LED depends
on the t
y
pe o
f
input si
g
nal. Please re
f
er to the BYPA
SS
LED
C
olor chart on pa
g
e 4
f
or
B
y
pass Mod
e
a
ll
o
w
s
input audio to pass throu
g
h the
G
e
f
en TV Auto Volume
S
tabilizer without bein
g
s
ub
j
ect to volume stabilization
(
ideal
f
or movies and pre-recorded audio
)
. This mode is activated b
y
p
ressin
g
the BYPA
SS
button on the
f
ront panel or the BYPA
SS
button on the remote
(G
e
f
en
S
KU
#
G
TV-
V
O
L
C
-IR
)
. When the
G
e
f
en TV Auto Volume
S
tabilizer is in B
y
pass Mode, the B
y
pass LED will turn RED
or PURPLE
(
dependin
g
on the t
y
pe o
f
input si
g
nal; please re
f
er to the BYPA
SS
LED
C
olor chart on pa
g
e
4
)
. To enable Dolb
y
Volume™ processin
g
a
g
ain, press the BYPA
SS
button a
g
ain.
O
nce Dolb
y
Volume
Processin
g
Mode is active, the LED on the
f
ront panel will be BLUE or BLANK as described above.
Standb
y
Mod
e
minimizes power consumption durin
g
periods o
f
disuse. To enter
S
tandb
y
Mode, press
and hold the BYPA
SS
button on the
f
ront panel. A
f
ter a
f
ew seconds, the B
y
pass LED will turn RED
and the three audio input si
g
nal t
y
pe LEDs will be dark, indicatin
g
that
S
tandb
y
Mode is active.
S
tandb
y
M
ode can also be activated b
y
pressin
g
the BYPA
SS
button on the IR remote control. To leave
S
tandb
y
M
ode, press the BYPA
SS
button on the
f
ront panel
(
or the
S
TANDBY button on the IR remote
)
. The
G
e
f
enTV Auto Volume
S
tabilizer will start up in Dolb
y
Volume Processin
g
Mode
.
AUTO VOLUME STABILIZER REMOTE DESCRIPTIO
N
8
8
P
ower On/Off
P
ower On/Off
Insert Batter
y
(
included
)
underneath
Insert Batter
y
Underneath
B
y
pass
B
y
pass
Select In
p
u
t
Select In
p
u
t
NOTE
:
A batter
y
tab inserted to
p
rotect the batter
y
durin
g
shippin
g
will need to be
r
emoved to allow the unit
to work
.
NOTE
:
A batter
y
tab inserted to
p
rotect the batter
y
durin
g
shippin
g
will need to be
r
emoved to allow the unit
to work
.
AUTO VOLUME STABILIZER REMOTE DESCRIPTIO
N
9
9
SPECIFICATION
S
Input
(
analo
g)
..........................................................................................................
1x R
C
A-t
y
pe connector
Input
(
di
g
ital
)
................................................................................................
1x
S
PDIF R
C
A-t
y
pe connector
Input
(
di
g
ital
)
.................................................................................................
1x T
OS
LINK optical connector
O
utpu
t
.................................................................................................
.
....................1x R
C
A-t
y
pe connector
O
utpu
t
.................................................................................................
.
........................1x
S/
PDIF connector
O
utpu
t
.................................................................................................
.
.........1x T
OS
LINK optical connector
Power suppl
y
.................................................................................................
.
...................................
5
V D
C
Power
C
onsumption
(
max
)
.................................................................................................
.
...................
5
W
A
ud
i
o
F
o
rm
a
t
s
.............................
2-channel LP
C
M, Dolb
y
Di
g
ital™ 5.1 or 2-channel
S
tereo Analo
g
audio
S
i
g
nal-to-Noise Ratio
(S
NR
)
................................................................................................
.
............>
90
dB
Frequenc
y
Response Deviatio
n
................................................................................................
<
+
/
-
0
.
5
dB
Di
s
t
o
rti
on
....................................................................................
<
0.001
%
at 0 dBF
S
or 2 V rms Analo
g
I
n
Audio In
C
lippin
g
Level
.................................................................................................
.
................2.2 V rm
s
Input Impedanc
e
..................................................................................................
.
...............................47 k
Ω
M
ax
O
utput Level
.................................................................................................
.
................1.
5
- 1.7 V rms
O
utput Impedanc
e
................................................................................................
.
.........................<
500
Ω
O
peratin
g
Tem
p
.................................................................................................
.
......................
0°
C
~ 4
0°
C
C
erti
fi
cations
......................................................................................
.
UL
(
power suppl
y)
,
C
E, EM
C
, RoH
S
Input
(
analo
g)
..........................................................................................................
1x R
C
A-t
y
pe connector
Input
(
di
g
ital
)
................................................................................................
1x
S
PDIF R
C
A-t
y
pe connector
Input
(
di
g
ital
)
.................................................................................................
1x T
OS
LINK optical connector
O
utpu
t
.................................................................................................
.
....................1x R
C
A-t
y
pe connector
O
utpu
t
.................................................................................................
.
........................1x
S/
PDIF connector
O
utpu
t
.................................................................................................
.
.........1x T
OS
LINK optical connector
Power suppl
y
.................................................................................................
.
...................................
5
V D
C
Power
C
onsumption
(
max
)
.................................................................................................
.
...................
5
W
A
ud
i
o
F
o
rm
a
t
s
.............................
2-channel LP
C
M, Dolb
y
Di
g
ital™ 5.1 or 2-channel
S
tereo Analo
g
audio
S
i
g
nal-to-Noise Ratio
(S
NR
)
................................................................................................
.
............>
90
dB
Frequenc
y
Response Deviatio
n
................................................................................................
<
+
/
-
0
.
5
dB
Di
s
t
o
rti
on
....................................................................................
<
0.001
%
at 0 dBF
S
or 2 V rms Analo
g
I
n
Audio In
C
lippin
g
Level
.................................................................................................
.
................2.2 V rm
s
Input Impedanc
e
..................................................................................................
.
...............................47 k
Ω
M
ax
O
utput Level
.................................................................................................
.
................1.
5
- 1.7 V rms
O
utput Impedanc
e
................................................................................................
.
.........................<
500
Ω
O
peratin
g
Tem
p
.................................................................................................
.
......................
0°
C
~ 4
0°
C
C
erti
fi
cations
......................................................................................
.
UL
(
power suppl
y)
,
C
E, EM
C
, RoH
S
SPECIFICATION
S
10
10
10
G
e
f
en warrants the equipment it manu
f
actures to be
f
ree
f
rom de
f
ects in material and workmanship.
I
f
equipment
f
ails because o
f
such de
f
ects and
G
e
f
en is noti
fi
ed within two
(
2
)
y
ears
f
rom the date o
f
s
hipment,
G
e
f
en will, at its option, repair or replace the equipment, provided that the equipment has not
been sub
j
ected to mechanical, electrical, or other abuse or modi
fi
cations. Equipment that
f
ails under
c
onditions other than those covered will be repaired at the current price o
f
parts and labor in e
ff
ect at the
time o
f
repair.
S
uch repairs are warranted
f
or ninet
y
(
90
)
da
y
s
f
rom the da
y
o
f
reshipment to the Bu
y
er.
This warrant
y
is in lieu o
f
all other warranties expressed or implied, includin
g
without limitation, an
y
implied warrant
y
or merchantabilit
y
or
fi
tness
f
or an
y
particular purpose, all o
f
which are expressl
y
d
i
sc
l
a
im
ed
.
1. Proo
f
o
f
sale ma
y
be required in order to claim warrant
y
.
2.
C
ustomers outside the U
S
are responsible
f
or shippin
g
char
g
es to and
f
rom
G
e
f
en.
3
.
C
opper cables are limited to a 30 da
y
warrant
y
and cables must be in their ori
g
inal condition.
The in
f
ormation in this manual has been care
f
ull
y
checked and is believed to be accurate. However,
G
e
f
en assumes no responsibilit
y
f
or an
y
inaccuracies that ma
y
be contained in this manual. In no event
will
G
e
f
en be liable
f
or direct, indirect, special, incidental, or consequential dama
g
es resultin
g
f
rom an
y
de
f
ect or omission in this manual, even i
f
advised o
f
the possibilit
y
o
f
such dama
g
es. The technical
in
f
ormation contained herein re
g
ardin
g
the
f
eatures and speci
fi
cations is sub
j
ect to chan
g
e without
no
ti
ce
.
For the latest warrant
y
covera
g
e in
f
ormation, please visit
G
e
f
en’s Warrant
y
web pa
g
e at http:
//
www.
g
e
f
en.com
/
kvm
/
aboutus
/
warrant
y
.
j
s
p
P
RODUCT REGISTRATIO
N
P
lease re
g
ister
y
our product online b
y
visitin
g
Gefen’s web site at
http://www.
g
efen.com/kvm/Re
g
istr
y
/Re
g
istration.
j
sp
G
e
f
en warrants the equipment it manu
f
actures to be
f
ree
f
rom de
f
ects in material and workmanship.
I
f
equipment
f
ails because o
f
such de
f
ects and
G
e
f
en is noti
fi
ed within two
(
2
)
y
ears
f
rom the date o
f
s
hipment,
G
e
f
en will, at its option, repair or replace the equipment, provided that the equipment has not
been sub
j
ected to mechanical, electrical, or other abuse or modi
fi
cations. Equipment that
f
ails under
c
onditions other than those covered will be repaired at the current price o
f
parts and labor in e
ff
ect at the
time o
f
repair.
S
uch repairs are warranted
f
or ninet
y
(
90
)
da
y
s
f
rom the da
y
o
f
reshipment to the Bu
y
er.
This warrant
y
is in lieu o
f
all other warranties expressed or implied, includin
g
without limitation, an
y
implied warrant
y
or merchantabilit
y
or
fi
tness
f
or an
y
particular purpose, all o
f
which are expressl
y
d
i
sc
l
a
im
ed
.
1. Proo
f
o
f
sale ma
y
be required in order to claim warrant
y
.
2.
C
ustomers outside the U
S
are responsible
f
or shippin
g
char
g
es to and
f
rom
G
e
f
en.
3
.
C
opper cables are limited to a 30 da
y
warrant
y
and cables must be in their ori
g
inal condition.
The in
f
ormation in this manual has been care
f
ull
y
checked and is believed to be accurate. However,
G
e
f
en assumes no responsibilit
y
f
or an
y
inaccuracies that ma
y
be contained in this manual. In no event
will
G
e
f
en be liable
f
or direct, indirect, special, incidental, or consequential dama
g
es resultin
g
f
rom an
y
de
f
ect or omission in this manual, even i
f
advised o
f
the possibilit
y
o
f
such dama
g
es. The technical
in
f
ormation contained herein re
g
ardin
g
the
f
eatures and speci
fi
cations is sub
j
ect to chan
g
e without
no
ti
ce
.
For the latest warrant
y
covera
g
e in
f
ormation, please visit
G
e
f
en’s Warrant
y
web pa
g
e at http:
//
www.
g
e
f
en.com
/
kvm
/
aboutus
/
warrant
y
.
j
s
p
P
RODUCT REGISTRATIO
N
P
lease re
g
ister
y
our product online b
y
visitin
g
Gefen’s web site at
http://www.
g
efen.com/kvm/Re
g
istr
y
/Re
g
istration.
j
sp
WARRANTY
WARRANTY
*ma-GTV-VOLCONT-D*
*ma-GTV-VOLCONT-D*
Rev A
3
R
e
v A
3
Pb
Pb
This product uses UL listed power supplies.
This product uses UL listed power supplies.
20600
Nordho
ff
S
t.
,
C
hatsworth
C
A
9
1
3
1
1
1-
800
-545-
6900
8
1
8
-77
2
-
9
1
00
fa
x:
8
1
8
-77
2
-
9
1
20
w
ww.ge
f
en.com support
@
ge
f
en.co
m
20600 Nordhoff St.
,
Chatsworth CA 9131
1
1-
800
-545-
6900
8
1
8
-77
2
-
9
1
00
f
ax:
8
1
8
-77
2
-
9
1
20
w
ww.
g
e
f
en.com su
pp
ort
@g
e
f
en.co
m
/
