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Atlona HDMI Multichannel
to 2Channel Converter
AT-HD-M2C
atlona.com
User Manual
Toll free: 1-877-536-3976
Local: 1-408-962-0515
Page 2
Table of Contents
1. Introduction ........................................................................... 3
2. Package Contents ........................................................................... 3
3. Features ........................................................................... 3
4. Panel Descriptions
a. Front Panel ........................................................................... 4
b. Rear Panel ........................................................................... 4
5. EDID Audio/Video ........................................................................... 5
6. Connection and Installation ........................................................................... 5
7. Specifications ........................................................................... 6
8. Safety Information ........................................................................... 7
9. Warranty ........................................................................... 8-9
10. Atlona Product Registration ........................................................................... 9
11. Trademark Acknowledgement ........................................................................... 9
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Introduction
With so many digital audio format options out there, it’s hard to ensure all devices receive a
compatible audio signal. BluRay players, STBs, and game consoles can output multichannel audio,
but often displays cannot support them. The AT-HD-M2C provides the answer to this by converting
multichannel audio to a 2Channel stereo format that is compatible with your TV and legacy devices
(such as audio receivers). The AT-HD-M2C doesn’t stop there, it also has multiple audio output
ports allowing audio to pass to amplifiers and legacy AVRs (that don’t support HDMI) while still
passing video and 2Ch audio to an HDMI display. With the AT-HD-M2C, enjoy the best audio
available without compromising.
Package Contents
• 1 x AT-HD-M2C
• 1 x Locking 5V DC Adapter
• 1 x User Manual
Features
• Converts multichannel audio into 2Channel audio
• Compatible with all digital audio formats including Lossless and Lossy.
• L/R - Connect to 2Ch amplifiers (such as AT-PA100-G2)
• (Digital) Coaxial/Optical - Connect to older AVRs with no HDMI support
• HDMI - Outputs 2Channel audio
• Audio EDID - Replaces the 2Channel audio portion of a display’s EDID with its own that accepts all
5.1 Dolby® and DTS® audio formats (including Dolby® Digital, Dolby® Digital Plus, Dolby® TrueHD,
DTS Digital Surround™ and DTS-HD Master Audio™).
• LED audio status lights for all audio formats to determine incoming audio signals
• Supports pass through of resolutions up to 1080p, 1920x1200 and 3D
• Plug and play
• HDCP Compliant
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HDMI IN FIRMWARE
Panel Description
Front Panel
HDMI IN FIRMWARE
1
2
3 4 5
6
7 8
9
1. HDMI Input port: Connect HDMI source here.
2. Mini USB port: Firmware update port, connect a Mini USB to USB A cable to a computer.
3. Red Power LED: Illuminates when receiving power.
4. Green Signal LED: will illuminate when a PCM audio signal is detected.
5. Green Signal LED: Lights up when receiving a Dolby® Digital signal.
6. Green Signal LED: Dolby® Digital Plus signal indicator.
7. Green Signal LED: Illuminates when receiving a Dolby® TrueHD signal.
8. Green Signal LED: Light will illuminate when a DTS Digital Surround™ is present.
9. Green Signal LED: Signal light will turn on when DTS-HD Master Audio™ signal is received.
NOTE: LED signifies incoming digital audio signal type only. The HD-M2C does not decode Dolby
or DTS signals. It will down convert and pass 2 channel audio only to all outputs.
Back Panel
DC 5V
RIGHT
LEFT
1. DC 5V: Connect included locking 5V DC adapter here.
2. L/R audio port: Connect to an amplifier (ex. AT-PA100-G2).
3. Digital audio port: Digital Optical/Coaxial out to connect to an AVR with no HDMI support.
NOTE: Audio output is 2CH only, multichannel audio is not passed through these ports.
4. HDMI out port: Connect to an HDMI display.
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ANALOG
1 2 3 4
DIGITAL
HDMI OUT
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EDID
AT-H2H-88M
ENTER
POWER
EDIDMEMORY
ALL
DEFAULT
CANCEL
FUNCTION
1
2
3
5
6
7
8
4
Audio
To ensure the highest audio signal is passed, the AT-HD-M2C has an internal multi-channel audio EDID. The
Internal EDID supports: PCM2.0, LPCM5.1, LPCM7.1, Dolby® Digital, Dolby® Digital Plus, Dolby
®
TrueHD,
DTS Digital Surround™, and DTS-HD Master Audio™.
Video
The AT-HD-M2C supports Video EDID pass through to ensure the display will receive the highest possible
resolution up to 1080p, 1920x1200 (reduced blanking), and 3D.
Connection Diagram
HDMI
AUDIO
BluRay Player
IR IN
ETHERNET
RS-232
1 2
FIRMWARE
3
4 5
HDMI IN
1
2
7
6
8
1
2
4 5
3
COAXIAL OUT
4 5
3
HDMI OUT
7
6
6
8
7
8
AT-H2H-88M
DC 24V
AT-H2H-88M
HDMI Matrix
DISPLAY 1
AVR - 5.1Ch
HDMI IN FIRMWARE
DC 5V
AT-HD-M2C
Amplifier
Ex. AT-PA100-G2
RIGHT
LEFT
ANALOG
DIGITAL
OR
2CH
Audio Receiver
HDMI OUT
DISPLAY 2
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Specifications
Bandwidth 6.75Gbps
Ports
Video/Audio input
Video/Audio output
Audio output
1 x Optical Digital Audio
1 x Coaxial Digital Audio
Firmware update
Power
Power Consumption 3.9W
Audio Accepts up to Dolby TrueHD or DTS-HD Master Audio
Outputs 2Ch audio
Resolution Video: up to 1080p
VESA: up to 1920x1200
Dimensions 1.18 x 4.92 x 4.33 in
30 x 125 x 110 mm
Weight 0.57 lbs
0.03 kg
1 x HDMI
1 x HDMI
1 x L/R Analog Audio
1 x mini USB
1 x DC 5V
Temperature Operating
32°F to 104°F
0°C to 40°C
Certifications CE, FCC, RoHS, cULus for power supply
Audio
Total Harmonic Distortion 0.0025% (-92dB, sample frequency: 48Khz)
Signal/Noise Ration 106dB
Gain 0
Frequency Range 20Hz to 20Khz
Audio Type Channels Audio Type Channels Audio Type Channels
HDMI In Signal u
Output Signal u
HDMI
Optical
Coaxial
Analog (Left/Right)
PCM
LPCM
LPCM
PCM
PCM
PCM
Analog
2
5.1
7.1
2
2
2
2
Dolby
Dolby
Dolby
®
Digital
®
Digital Plus
®
TrueHD
5.1
5.1
7.1
Storage
-4°F to 140°F
20°C to 60°C
DTS Digital Surround™
DTS-HD Master Audio™
5.1
7.1
*Dolby Digital Plus 7.1 is not supported
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Safety Information
Safeguards
To reduce the risk of electric shock, do not
expose this product to rain or moisture
If the wall plug does not fit into your local
power socket, hire an electrician to replace
your obsolete socket.
Do not modify the wall plug. Doing so will
void the warranty and safety features.
This equipment should be installed near
the socket outlet and the device should
be easily accessible in the case it requires
disconnection.
Precautions
FCC regulations state that any unauthorized changes or modifications to this equipment, not expressly
approved by the manufacturer, could void the user’s authority to operate this equipment.
Operate this product using only the included external power supply. Use of other power supplies could
impair performance, damage the product, or cause fires.
In the event of an electrostatic discharge this device may automatically turn off. If this occurs, unplug the
device and plug it back in.
Protect and route power cords so they will not be stepped on or pinched by anything placed on or against
them. Be especially careful of plug-ins or cord exit points from this product.
Avoid excessive humidity, sudden temperature changes or temperature extremes.
Keep this product away from wet locations such as bathtubs, sinks, laundries, wet basements, fish tanks,
and swimming pools.
Use only accessories recommended by Atlona to avoid fire, shock, or other hazards.
Unplug the product before cleaning. Use a damp cloth for cleaning and not cleaning fluid or aerosols. Such
products could enter the unit and cause damage, fire, or electric shock. Some substances may also mar the
finish of the product.
Never open, remove unit panels, or make any adjustments not described in this manual. Attempting to
do so could expose you to dangerous electrical shock or other hazards. It may also cause damage to your
product. Opening the product will void the warranty.
Do not attempt to service the unit. Disconnect the product and contact your authorized Atlona reseller or
contact Atlona directly.
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Atlona, Inc. (“Atlona”) Limited Product Warranty Policy
Coverage
Atlona warrants its products will substantially perform to their published specifications and will be free from defects in
materials and workmanship under normal use, conditions and service.
Under its Limited Product Warranty, Atlona, at its sole discretion, will either:
A) repair or facilitate the repair of defective products within a reasonable period of time, restore products to their
proper operating condition and return defective products free of any charge for necessary parts, labor and shipping
OR
B) replace and return, free of charge, any defective products with direct replacement or with similar products deemed
by Atlona to perform substantially the same function as the original products
OR
C) refund the pro-rated value based on the remaining term of the warranty period, not to exceed MSRP, in cases
where products are beyond repair and/or no direct or substantially similar replacement products exist.
Repair, replacement or refund of Atlona’s products is the purchaser’s exclusive remedy and Atlona’s liability does not
extend to any other damages, incidental, consequential or otherwise.
This Limited Product Warranty extends to the original end-user purchaser of Atlona’s products and is non-transferrable to
any subsequent purchaser(s) or owner(s) of these products.
Coverage Periods
Atlona’s Limited Product Warranty Period begins on the date of purchase by the end-purchaser. The date contained on
the end-purchaser ‘s sales or delivery receipt is the proof purchase date.
Limited Product Warranty Terms – New Products
• 10 years from proof of purchase date for hardware/electronics products purchased on or after June 1, 2013
• 3 years from proof of purchase date for hardware/electronics products purchased before June 1, 2013
• Lifetime Limited Product Warranty for all cable products
Limited Product Warranty Terms – Refurbished (B-Stock) Products
• 3 years from proof of purchase date for all Refurbished (B-Stock) hardware and electronic products purchased on or
after June 1, 2013
Remedy
Atlona recommends that end-purchasers contact their authorized Atlona dealer or reseller from whom they purchased
their products. Atlona can also be contacted directly. Visit www.atlona.com for Atlona’s contact information and hours
of operation. Atlona requires that a dated sales or delivery receipt from an authorized dealer, reseller or end-purchaser is
provided before Atlona extends its warranty services. Additionally, a return merchandise authorization (RMA) and/or case
number, is required to be obtained from Atlona in advance of returns.
Atlona requires that products returned are properly packed, preferably in the original carton, for shipping. Cartons not
bearing a return authorization or case number will be refused. Atlona, at its sole discretion, reserves the right to reject
any products received without advanced authorization. Authorizations can be requested by calling 1-877-536-3976 (US
toll free) or 1-408- 962-0515 (US/international) or via Atlona’s website at www.atlona.com.
Exclusions
This Limited Product Warranty excludes:
• Damage, deterioration or malfunction caused by any alteration, modification, improper use, neglect, improper
packing or shipping (such claims must be presented to the carrier), lightning, power surges, or other acts of nature.
• Damage, deterioration or malfunction resulting from the installation or removal of this product from any installation,
any unauthorized tampering with this product, any repairs attempted by anyone unauthorized by Atlona to make
such repairs, or any other cause which does not relate directly to a defect in materials and/or workmanship of this
product.
• Equipment enclosures, cables, power supplies, batteries, LCD displays, and any accessories used in conjunction with
the product(s).
• Products purchased from unauthorized distributors, dealers, resellers, auction websites and similar unauthorized
channels of distribution.
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Disclaimers
This Limited Product Warranty does not imply that the electronic components contained within Atlona’s products will
not become obsolete nor does it imply Atlona products or their electronic components will remain compatible with any
other current product, technology or any future products or technologies in which Atlona’s products may be used in
conjunction with. Atlona, at its sole discretion, reserves the right not to extend its warranty offering in instances arising
outside its normal course of business including, but not limited to, damage inflicted to its products from acts of god.
Limitation on Liability
The maximum liability of Atlona under this limited product warranty shall not exceed the original Atlona MSRP for
its products. To the maximum extent permitted by law, Atlona is not responsible for the direct, special, incidental or
consequential damages resulting from any breach of warranty or condition, or under any other legal theory. Some
countries, districts or states do not allow the exclusion or limitation of relief, special, incidental, consequential or indirect
damages, or the limitation of liability to specified amounts, so the above limitations or exclusions may not apply to you.
Exclusive Remedy
To the maximum extent permitted by law, this limited product warranty and the remedies set forth above are exclusive
and in lieu of all other warranties, remedies and conditions, whether oral or written, express or implied. To the maximum
extent permitted by law, Atlona specifically disclaims all implied warranties, including, without limitation, warranties
of merchantability and fitness for a particular purpose. If Atlona cannot lawfully disclaim or exclude implied warranties
under applicable law, then all implied warranties covering its products including warranties of merchantability and fitness
for a particular purpose, shall provide to its products under applicable law. If any product to which this limited warranty
applies is a “Consumer Product” under the Magnuson-Moss Warranty Act (15 U.S.C.A. §2301, ET SEQ.) or other
applicable law, the foregoing disclaimer of implied warranties shall not apply, and all implied warranties on its products,
including warranties of merchantability and fitness for the particular purpose, shall apply as provided under applicable
law.
Other Conditions
Atlona’s Limited Product Warranty offering gives legal rights, and other rights may apply and vary from country to
country or state to state. This limited warranty is void if (i) the label bearing the serial number of products have been
removed or defaced, (ii) products are not purchased from an authorized Atlona dealer or reseller. A comprehensive list of
Atlona’s authorized distributors, dealers and resellers can be found at www.atlona.com .
Atlona Product Registration
Thank you for purchasing this Atlona product. - We hope you enjoy it and will take an extra few moments to
register your new purchase.
Registration creates an ownership record if your product is lost or stolen and helps ensure you’ll receive
notification of performance issues and firmware updates.
At Atlona, we respect and protect your privacy, assuring you that your registration information is completely
secure. Atlona product registration is completely voluntary and failure to register will not diminish your limited
warranty rights.
To register go to: http://www.atlona.com/registration
Trademark Acknowledgement
Dolby
Manufactured under license from Dolby Laboratories. Dolby and the double-D symbol are registered
trademarks of Dolby Laboratories.
®
®
DTS
Manufactured under license under U.S. Patent Nos: 5,956,674; 5,974,380; 6,487,535 & other U.S. and
worldwide patents issued & pending. DTS, the Symbol, & DTS and the Symbol together are registered
trademarks & DTS 2.0 Channel is a trademark of DTS, Inc. Product includes software. © DTS, Inc. All Rights
Reserved.
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