Gefen GTV-VOLCONT-DA User manual

2.1 Audio Am
p
lie
r
w
/
V
o
l
u
m
e
Stab
iliz
e
r
G
TV-V
O
L
CO
NT-DA
U
ser
Ma
nu
al
www.
g
efentv.co
m

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echnical Su
pp
or
t
:
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)
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0
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800
)
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0
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)
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0
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echnical Su
pp
ort Hours
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:00 AM to 5:00 PM Monda
y
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g
h Frida
y
, Paci
fi
c Tim
e
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:
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e
f
en LL
C
c/
o
C
ustomer
S
ervic
e
2
0600
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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 hardware, packa
g
in
g
and
an
y
accompan
y
in
g
documentation without prior written notice.
For the latest
fi
rmware updates
f
or this product, please visit
G
e
f
en’s download
Web pa
g
e at http:
//
www.
g
e
f
en.com
/
kvm
/
support
/
download.
j
s
p
2
.1 Audio Am
p
lifier w/ Volume Stabilizer 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.
©
2012
G
e
f
en, LL
C
. All ri
g
hts reserved.
All trademarks are the propert
y
o
f
their respective owners.
ASKING FOR ASSISTANC
E
R
ev
A1

CONTENT
S
1 Intr
oduc
ti
on
2
O
peration Notes
3
F
ea
t
u
r
es
4 Fr
o
nt Panel La
y
ou
t
5
Front Panel Descriptions
6
Back Panel La
y
ou
t
7 Back Panel Descriptions
8
IR Remote
C
ontrol
8
La
y
out and Descriptions
10 Installin
g
the Batter
y
10
S
ettin
g
the IR
C
hannel
11
C
onnection the 2.1 Audio Ampli
fi
er w
/
Volume
S
tabilizer
11 Wirin
g
Dia
g
ram
12
O
peratin
g
the 2.1 Audio Ampli
fi
er w
/
Volume
S
tabilizer
12
S
tatus
S
cree
n
12
S
tandb
y
Mode and Powerin
g
the Volume
S
tabilizer
13
S
electin
g
the Audio Inpu
t
13 Ad
j
ustin
g
the Volum
e
14 B
y
pass Mod
e
15 Menu
Sy
stem
15 Usin
g
the Menu
Sy
stem
15
S
ettin
g
the
S
peaker
S
iz
e
17
S
ettin
g
the
S
peaker Level
19 Ad
j
ustin
g
the
S
peaker Distanc
e
20 Ad
j
ustin
g
the Tone
C
ontrol
22 Miscellaneous
S
etu
p
2
6
R
S
-2
3
2
S
erial
C
ontrol
27 R
S
-2
3
2
S
erial
C
ommands
5
4 Menu
Sy
stem
S
ummar
y
5
4 La
y
ou
t
5
5
S
peaker
S
iz
e
5
6
S
peaker Level
5
7
S
peaker Distanc
e
58
Tone
C
ontrol
5
9 Miscellaneous
S
etu
p
6
2 Exi
t
6
3
S
peci
f
ications
6
4 Warrant
y

1
C
on
g
ratulations on
y
our purchase o
f
the
G
e
f
enTV 2.1 Audio Ampli
fi
er w
/
Volume
S
tabilizer. Your complete satis
f
action is ver
y
important to us.
G
efenTV
G
e
f
enTV is a unique product line caterin
g
to the
g
rowin
g
needs
f
or innovative
h
ome 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 ensure
y
ou
g
et the most
f
rom
y
our hardware. We invite
y
ou to explore our distinct
p
roduct line and hope
y
ou
fi
nd
y
our solutions.
T
he GefenTV 2.1 Audio Am
p
lifier w/ Volume Stabilizer
The
G
e
f
enTV 2.1 Audio Ampli
fi
er w
/
Volume
S
tabilizer is well suited
f
or use in
s
mall home entertainment s
y
stems or as an add-on audio processor to an
y
c
omputer audio output. It o
ff
ers three audio inputs
(
T
OS
LINK™,
S/
PDIF, Analo
g
L
/
R
)
f
or multiple audio sources. The product also incorporates a Dolb
y
Di
g
ital
decoder to downmix 5.1 to 2.1 channels o
f
audio. Dolb
y
Volume technolo
gy
automaticall
y
outputs consistent audio levels re
g
ardless o
f
the pro
g
ram t
y
pe
(
commercials, movies, or TV shows
)
. The
G
e
f
enTV 2.1 Audio Ampli
fi
er w
/
Volume
S
tabilizer provides ampli
fi
cation o
f
up to 25 Watts per channel
(
Le
f
t and
R
i
g
ht
)
f
ed throu
g
h the unit’s speaker output bindin
g
posts plus line-level output
f
or a powered subwoo
f
er. This product switches to standb
y
mode when not in
u
se. An R
S
-232 port is provided
f
or home automation control. For eas
y
access
and control, use the
f
ront panel control buttons with an illuminated L
C
D displa
y
,
or the included IR remote control
f
rom several
f
eet awa
y
.
How It Works
C
onnect the audio input source
(
s
)
to the
G
e
f
enTV 2.1 Audio Ampli
fi
er w
/
Vol-
u
me
S
tabilizer.
C
onnect the speakers usin
g
speaker wires
(
not included
)
to the
S
peaker
O
utput bindin
g
posts.
C
onnect the included R
S
-232 cable
f
rom the
RS
-232 port to
y
our home automation control device
(
optional
)
. Plu
g
in the in-
c
luded power suppl
y
to the 24V D
C
power
j
ack on the rear panel o
f
the unit and
to a power outlet. Use the
f
ront panel buttons or the included IR remote to control
the
f
ront panel displa
y
menu
f
unctions, Mute, Input
S
elect, B
y
pass, and
S
tandb
y
mode
.
INTRODUCTIO
N

READ THESE NOTES BEFORE INSTALLING OR OPERATIN
G
T
HE GEFENTV2.1 AUDIO AMPLIFIER W/ VOLUME STABILIZER
•
G
e
f
enTV 2.1 Audio Ampli
fi
er w
/
Volume
S
tabilizer will use ps
y
cho-
acoustic technolo
gy
to ad
j
ust volume automaticall
y
. It is best used
f
or TV
p
ro
g
rammin
g
where the level o
f
sound rises and
f
alls to an unacceptable
le
v
e
l.
• The device can be placed in B
y
pass Mode in situations where a wide
d
y
namic ran
g
e is appropriate
(
such as movies and classical s
y
mphon
y
c
oncerts
)
. B
y
pass Mode disables the Dolb
y
Volume
S
tabilizer.
• The remote can be used to control the
G
e
f
enTV 2.1 Audio Ampli
fi
er w
/
Volume
S
tabilizer
f
rom a com
f
ortable distance.
• This unit supports the
f
ollowin
g
conversions
:
Analo
g
to Analo
g
(
two-channel stereo to two-channel stereo
)
.
Di
g
ital to Analo
g
(
optical
/
coaxial to two-channel stereo
)
.
2
OPERATION NOTE
S

3
D
olb
y®
Volume features
:
•V
o
l
u
m
e
L
e
v
e
l
e
r: En
ab
l
es
co
n
s
i
s
t
e
nt v
o
l
u
m
e
l
e
v
e
l
s
a
t
a
ll tim
es
be
tw
ee
n TV
c
hannels 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
• Audio settin
g
s can be customized to suit
y
our personal pre
f
erences and
l
istenin
g
conditions.
• Improves multichannel surround, even at low volumes.
• Pr
oduces
c
l
ea
r
aud
i
o
with n
o
u
nw
a
nt
ed
n
o
i
se
.
Features
• Dolb
y®
Volume and Dolb
y®
Di
g
ital
C
erti
fi
e
d
• Ad
j
ustable Dolb
y
Volume Level
• Prevents
fl
uctuations in audio volume usin
g
Dolb
y
Volume technolo
gy
• Accepts 2-channel analo
g
audio and outputs 2.1 channel audi
o
• Accepts T
OS
LINK
(
optical
)
and
S/
PDIF
(
coax
)
di
g
ital audio inputs
• Accepts Dolb
y
Di
g
ital 5.1 and converts it to 2.1 channel analo
g
audi
o
• D
y
namicall
y
boosts low and hi
g
h-
f
requenc
y
conten
t
• B
y
pass Mode permits audio to pass throu
g
h unchan
g
e
d
• Audio ampli
fi
er
(
2 channels, 25 W per channel
)
• Line-level analo
g
L
/
R outputs plus subwoo
f
er outpu
t
•
RS
-232 port
f
or home automation control
• IR remote control and
f
ront panel controls
P
acka
g
e Includes
(
1
)
G
e
f
enTV 2.1 Audio Ampli
fi
er w
/
Volume
S
tabilizer
(
1
)
Analo
g
Audio L
/
R R
C
A cabl
e
(
1
)
IR Remote
C
ontrol Uni
t
(
1
)
24 V D
C
Power Adapter
(
1
)
User Manual
FEATURE
S

4
FRONT PANEL LAYOU
T
Front Panel
1
1
9
7
6
3
2
1
10
8
5
4
 

5
1
M
ain LCD Displa
y
This displa
y
will show pertinent status in
f
ormation and will be used to make
ad
j
ustments to
f
eatures in the Menu
Sy
stem
.
2
L
eft Cursor Button
This button is used to navi
g
ate the Menu
Sy
stem and chan
g
e settin
g
s
b
y
movin
g
the cursor to the le
f
t.
3
Enter Button
This button is used to accept and save a current settin
g
in the Menu
Sy
stem.
4
Up Button
This button is used to navi
g
ate the Menu
Sy
stem and chan
g
e settin
g
s
b
y
movin
g
the cursor up. This button is also used
f
or increasin
g
the
audio volume in the
S
tatus
S
creen
(
see pa
g
e 13
)
.
5
R
ight Cursor Button
This button is used to navi
g
ate the Menu
Sy
stem and chan
g
e settin
g
s
b
y
movin
g
the cursor to the ri
g
ht.
6
Down Button
This button is used to navi
g
ate the Menu
Sy
stem and chan
g
e settin
g
s
b
y
movin
g
the cursor down. This button is also used
f
or decreasin
g
the
audio volume in the
S
tatus
S
creen
(
see pa
g
e 13
)
.
7
I
nput Button
S
elects between analo
g
L
/
R,
S/
PDIF, or T
OS
LINK audio input.
8
M
enu Button
This button will activate the Menu
Sy
stem which allows chan
g
es to
audio output.
9
Bypass Button
Press the B
y
pass button to disable Dolb
y
Volume processin
g
.
10
M
ute Button
This button will c
y
cle between Mute-
O
n and Mute-
Off
modes. When the
M
ute-
O
n mode is enabled, all audio output is disabled.
11
S
tandby Button
Press the
S
tandb
y
button to place the unit in
S
tandb
y
Mode.
S
tandb
y
M
ode is an ener
gy
-savin
g
state where less than 1W o
f
power is consumed
when the product is not in use.
FRONT PANEL DESCRIPTION
S

6
BACK PANEL LAYOU
T
Back Pane
l
7
8
6
5
3
4
2
1