3
Operating Instructions
4K HDMI Audio Extractor with ARC
Item no: 2587734
1 Intended use
The product is an HDMI audio extractor with Audio Return Channel (ARC) functionality.
■
Use the product to send the video signal of a video source to a display device (example:
TV) and at the same time send the audio signal of the video source to a sound system.
■
Use the product to send the audio signal of the display device (example: Smart TV) to a
sound system via the Audio Return Channel (ARC).
Power is supplied through a 5 V/DC USB input.
The product is intended for indoor use only. Do not use it outdoors.
Contact with moisture must be avoided under all circumstances.
If you use the product for purposes other than those described, the product may be dam-
aged.
Improper use can result in short circuits, fires, electric shocks or other hazards.
The product complies with the statutory national and European requirements.
For safety and approval purposes, you must not rebuild and/or modify the product.
Read the operating instructions carefully and store them in a safe place. Make this product
available to third parties only together with the operating instructions.
All company names and product names are trademarks of their respective owners. All rights
reserved.
HDMI is a registered trademark of HDMI Licensing L.L.C.
2 Delivery contents
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Audio extractor
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HDMI cable
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USB cable
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Power adaptor
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Operating instructions
3 Latest product information
Download the latest product information at
www.conrad.com/downloads
or scan the QR
code shown. Follow the instructions on the website.
4 Description of symbols
The following symbols are on the product/appliance or are used in the text:
The symbol warns of hazards that can lead to personal injury.
The symbol warns of dangerous voltage that can lead to personal injury by elec-
tric shock.
5 Safety instructions
Read the operating instructions carefully and especially observe the safety
information. If you do not follow the safety instructions and information on
proper handling, we assume no liability for any resulting personal injury or
damage to property. Such cases will invalidate the warranty/guarantee.
5.1 General
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The product is not a toy. Keep it out of the reach of children and pets.
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Do not leave packaging material lying around carelessly. This may become dangerous
playing material for children.
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If you have questions which remain unanswered by this information product, contact our
technical support service or other technical personnel.
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Maintenance, modifications and repairs must only be completed by a technician or an
authorised repair centre.
5.2 Handling
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Handle the product carefully. Jolts, impacts or a fall even from a low height can damage
the product.
5.3 Operating environment
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Do not place the product under any mechanical stress.
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Protect the appliance from extreme temperatures, strong jolts, flammable gases, steam
and solvents.
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Protect the product from high humidity and moisture.
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Protect the product from direct sunlight.
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Do not switch the product on after it has been taken from a cold to a warm environment.
The condensation that forms might destroy the product. Allow the product to reach room
temperature before you use it.
5.4 Operation
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Consult an expert when in doubt about the operation, safety or connection of the
product.
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If it is no longer possible to operate the product safely, take it out of operation and pro-
tect it from any accidental use. DO NOT attempt to repair the product yourself. Safe op-
eration can no longer be guaranteed if the product:
– is visibly damaged,
– is no longer working properly,
– has been stored for extended periods in poor ambient conditions or
– has been subjected to any serious transport-related stresses.
5.5 Connected devices
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Also observe the safety and operating instructions of any other devices which are con-
nected to the product.
5.6 Power adapter
Do not modify or repair mains supply components including mains plugs, mains
cables, and power supplies. Do not use damaged components. Risk of death by
electric shock!
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Connect the appliance to a wall socket that can be accessed easily.
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As power supply, only use the supplied mains adaptor.
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Only connect the power adaptor to a normal mains socket connected to the public sup-
ply. Before plugging in the power adaptor, check whether the voltage stated on the
power adaptor complies with the voltage of your electricity supplier.
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Never connect or disconnect power adaptors if your hands are wet.
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For safety reasons, disconnect the power adaptor from the mains socket during storms.
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Do not touch the power adapter if there are any signs of damage, as this may cause a
fatal electric shock! Take the following steps:
– Switch off the mains voltage to the socket containing the power adapter (switch off the
corresponding circuit breaker or remove the safety fuse, and then switch off the cor-
responding RCD protective switch).
– Unplug the power adapter from the mains socket.
– Use a new power adapter of the same design. Do not use the damaged adapter
again.
6 Product overview
DC 5V
HDMI OUT
ARC
HDMI INPUT
TV/2.0/5.1
SPDIF
L/R
1
2
3
4
5
6
7
8
9
10
1
3.5 mm stereo audio jack
2
ARC switch
3
ARC indicator
4
HDMI input port
5
HDMI input indicator
6
EDID switch
7
Power input socket
8
HDMI output port
9
Optical audio port (S/PDIF)
10
Analogue RCA audio sockets
7 Connection
How you will connect your video and audio devices will greatly depend your sound system.
The following video to audio options are available:
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Analogue stereo audio via 3.5 mm headphone jack or RCA connection
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5.1 Surround sound via optical S/PDIF connection
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Pass-through audio (max. LPCM7.1) with the HDMI signal passed through 1:1
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Audio Return Channel (ARC): return the audio signal from the display device connected
to the HDMI output to the sound system
7.1 Setting up analogue stereo audio
To play back audio from the video source in stereo:
1. Switch off the devices you want to connect.
2. Connect the video source to the HDMI input port
HDMI IN
.
3. Connect the display device to the HDMI output port
HDMI OUT
.
4. Connect your sound system to the 3.5 mm stereo headphone jack or the analogue RCA
audio sockets
L/R
.
5. Set the EDID switch to the position
2.0
.
6. Push the ARC switch
ARC
to the left (away from the HDMI input port).
7.2 Setting up 5.1 surround sound audio
To play back audio from the video source in 5.1 surround sound:
