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echnical Suppor
Telephone
Fax (818) 772-912
echnical Support Hours
:00 AM to 5:00 PM Monday through Friday, Pacifi c Time
Write To
o Customer Servic
2
hatsworth, CA 9131
www.gefentv.com
upport@gefentv.com
en LL
Nordhoff St
en LLC reserves the right to make changes in the hard ware, packaging and any accompanyin
anufactured under license from Dolby Laboratories. Dolby, Pro Logic, and the double-D symbol
818) 772-910
800) 545-690
Notic
doc u men ta tion without prior written notice.
ital Audio Decoder is a trademark o
are registered trademarks of Dolby Laboratories.
en LL
All trademarks are the property of their respective owners.
2011 Gefen LLC, All Rights Reserve
Rev A
S
1 Intr
oduction
3
yout
5
6 C
g
8
S
y
2 Operation Notes
Features
4 Unit La
Unit Descriptions
onnecting the Digital Audio Decoder
CONTENT
7 Wirin
LED Indicators
10
11 Warrant
Diagram
pecifi cations
INTRODUCTIO
N
.
y
y
g
.
.
ongratulations on your purchase of the Digital Audio Decoder. Your complete satisfaction is very important to us
efenTV
efenTV is a unique product line catering to the growing needs for innovative home theater solutions. We specialize in
total integration for your home theater, while also focusing on going above and beyond customer expectations to ensure
ou get the most from your hardware. We invite you to explore our distinct product line and hope you fi nd your solutions..
Don’t see what
he GefenTV Digital Audio Decoder
The GefenTV Digital Audio Decoder takes audio encoded in Dolby Digital (at up to 5.1 channels) from your multichan-
el S/PDIF or TOSLINK digital audio source and converts it to L/R analog audio -- without the need for any other
xternal equipment!
ou are looking for here? Please call us so we can better assist you with your particular needs.
With the GefenTV Di
digital computer audio on your legacy analog sound system, preserving your current investment
How It Works
A coaxial or optical audio output on your digital audio source connects into the input on the Digital to Analog Decoder.
The input type is chosen with the Decoder’s selector button. The Decoder is connected to power. Analog RCA connectors on the Decoder output L/R analog audio to powered speakers
ital to Analog Decoder you can listen to digital audio sources such as DVD and CD players or
OPERATION NOTE
S
g
y
READ THESE NOTES BEFORE INSTALLING OR
OPERATING THE GEFENTV DIGITAL AUDIO DECODER
• This decoder supports both Linear PCM and Dolby Digital audio input formats.
• The Di
• Do not use this decoder with a power suppl
ital Audio Decoder is not an amplifi cation device and cannot be used directly with
arphones or other passive devices.
other than the one that is provided.
FEATURE
S
o
C)
f
g
y
Features
onverts S/PDIF or TOSLINK digital audio to L/R analog audi
•
• Digital interpolation fi lter and digital to analog converter (DA
•
upports up to 6 channels (up to 5.1 Surround) of audio encoded in Dolby Digital
• Auto samples at
• 24-bit incoming bitstream on left and right channels
• Allows listenin
•
ompact and easy to install
ackage Includes
1) Digital Audio Decoder
1) 5V DC Power Suppl
1) User Manual
requencies of 32, 44.1, 48 kHz
to digital audio sources on legacy analog sound systems
NIT LAYOU
T
7
5
NIT DESCRIPTION
S
x
)
C
t
(S/
Dolby Digital
This LED indicator will glow bright red when a Dolby Digital signal is detected on the input.
oa
This LED indicator will glow bright green when the Coax input is activated.
Out (L/R
onnect L/R RCA stereo cables from these audio outputs to an external amplifi er.
oax In
se a coax audio cable to connect an external digital audio source to this S/PDIF connector.
Opt In
se an optical cable to connect an external digital audio source to this TOSLINK connector.
5V D
onnect the included 5V DC power supply to this power receptacle. Only use the power supply that
is included with this product.
npu
Press this button to toggle between Coax
PDIF) and Optical (TOSLINK) inputs.
5
CONNECTING THE DIGITAL AUDIO DECODER
ecoder and
e
How to Connect the Digital Audio Decoder
onnect a Coax and/or Optical cable between the audio source and the S/PDIF and/or TOSLINK
onnectors on the Digital Audio Decoder.
onnect a pair of L/R RCA-type cables between the L/R output connectors on the Digital Audio
2.
D
.
onnect the included 5V DC power supply to the power receptacle on the Digital Audio Decoder.
4.
onnect the AC power cord to an available electrical outlet.
th
WIRING DIAGRA
M
Wiring Diagram for the Digital Audio Decoder
TV with TOSLINK Audio
Output
In
n
Converter
DIGITAL AUDIO CABLE
ANALOG AUDIO CABLE
Out
GTV-DD-2-AA
7
(Up to 200 ft)
Analog Audio Receiver
OPERATING THE DIGITAL AUDIO DECODER
)
C
D
)
y
f
l
M
ED Indicators
The
ollowing illustrations below show the different states of audio input and the audio type which is
displayed by the LED indicators on the Digital Audio Decoder. Pressing the Input button switches
between Coax and Optical inputs.
oax LED = OFF, Dolby LED = OFF
Active Input:
Audio Type: Linear P
inear PC
ptical (TOSLINK
M
oax LED = OFF, Dolby LED = RE
Active Input:
Audio Type: Dolb
olby Digita
ptical (TOSLINK
Digital
OPERATING THE DIGITAL AUDIO DECODER
A
(S/
)
A
C
D
(S/
)
y
M
oax LED = GREEN , Dolby LED = OFF
ctive Input:
udio Type: Linear P
oax
inear PC
PDIF
M
oax LED = GREEN , Dolby LED = RE
Active Input:
Audio Type: Dolb
oax
Digital
olby Digital
PDIF
SPECIFICATION
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)
C
Audio Inputs.............................................................................................................(1) Coax / (1) TOSLIN
Audio Outputs............................................................................................................Analog L/R, RCA-typ
Output Impedance...............................................................................................................................500 Ω
utput Voltage......................................................................................................1.8V RMS @ 0 dB (max.
Frequency Response..................................................................................................................< +/-0.5 dB
ignal-to-Noise Ratio........................................................................> 90 dB (20 Hz - 20 kHz A-Weightin
Power Supply......................................................................................................................................5V DC
onsumption....................................................................................................................5 W (max.
Power
perating Temperature.............................................................................................................0° C ~ 70°
Dimensions..............................................................................................................1.7” W x 0.9” H x 1.6” D
hipping Weight.....................................................................................................................................1 lb.
10
1
WARRANTY
f
y
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f of
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t
N
.
efen warrants the equipment it manufactures to be free from defects in material and workmanship.
equipment fails because of such defects and Gefen is notifi ed within two (2) years from the date of
I
hipment, Gefen will, at its option, repair or replace the equipment, provided that the equipment has not
been subjected to mechanical, electrical, or other abuse or modifi cations. Equipment that fails under
onditions other than those covered will be repaired at the current price of parts and labor in effect at the
time of repair. Such repairs are warranted for ninety (90) days from the day of reshipment to the Buyer.
This warrant
implied warranty or merchantability or fi tness for any particular purpose, all of which are expressly
isclaimed.
1. Proo
2.
.
The in
efen assumes no responsibility for any inaccuracies that may be contained in this manual. In no event
will Gefen be liable for direct, indirect, special, incidental, or consequential damages resulting from any
defect or omission in this manual, even if advised of the possibility of such damages. The technical
information contained herein regarding the features and specifi cations is subject to change without
tice.
For the latest warrant
www.gefen.com.
is in lieu of all other warranties expressed or implied, including without limitation, an
sale may be required in order to claim warranty.
ustomers outside the US are responsible for shipping charges to and from Gefen.
opper cables are limited to a 30 day warranty and cables must be in their original condition.
ormation in this manual has been carefully checked and is believed to be accurate. However,
coverage information, please visit Gefen’s Warranty web page a
RODUCT REGISTRATIO
lease register your product online by visiting the Register Product page under the Support
section of the Gefen Web site
1
1
800
6900
20
w
m
Rev A
2
Nordhoff St., Chatsworth CA 9131
-
-545-
ww.gefentv.com support@gefentv.co
818-772-9100 fax: 818-772-91
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