Atlona 1 by 4 HDMI
Distribution Amplifier
AT-HDDA-4
User Manual
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Introduction
With 4Kx2K pass through the Atlona 1 by 4 HDMI Distribution Amplifier offers a high definition
solution for multi display installations. Field upgradable, with a built in USB port, ensures seamless
firmware updating. With EDID learning mode, the HDDA provides a solution for incompatibilities
and intermittent signals.
Package Contents
• 1 x AT-HDDA-4
• 1 x DC 5V locking power adaptor
Features
• Transmits source signal to multiple displays simultaneously
• Built in EDID management to ensure compatibility
• 4Kx2K pass through
• Using additional HDDAs, cascade the source signal up to 8 times at 4Kx2K*
• Lossy and lossless audio formats pass through (up to Dolby TrueHD® and DTS-HD Master Audio™)
• Full 3D pass through
• Field serviceable USB firmware port for quick and easy updating
• LED signal lights to verify status for input and outputs
• HDCP compliant
Panel Description
Front Panel
4
POWER SYNC
INT LEARN
1
2
3
4
EDID
AT-HDDA-4
1
2
3
5
1. Power LED: Will light up when the distribution amplifier receives power
2. Sync LED: Illuminates when receiving signal from the source
3. Out LED: Each LED will illuminate for the corresponding connected displays
4. EDID LEDs: LED will illuminate to indicated the current EDID mode
5. EDID button: Press to select between EDID modes
*8 times cascading only occurs when used with other HDDA-2s or HDDA-4s
- 4 times cascading with HDDA-8s
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Back Panel
AT-HDDA-4
1
2
3
4
FIRMWARE
HDMI IN
OUTPUT
DC 5V
1
2
3
4
1. Firmware port: Mini USB port used for firmware updating
2. HDMI IN: Connect to an HDMI source
3. HDMI OUT: Connect to an HDMI display
4. DC 5V: Locking power connector
EDID (Extended Display Identification Data)
When the HDDA is completely connected and turned on it will load the Internal EDID™
automatically, which supports the highest common native video resolution and audio format of the
devices.
Example: With a mix of resolutions and audio formats the HDDA will default to the highest
common video resolution and audio format. In the diagram below the default would be 720p with
2ch audio. Multi-channel audio and 3D are not enabled on internal mode, unless all devices
support these features.
1080p-Dolby TrueHD (3D)
Output 1
POWER SYNC
INT LEARN
1080p (3D)
1
2
3
4
Dolby TrueHD
EDID
AT-HDDA-4
AT-HDDA-4
1
2
3
4
FIRMWARE
HDMI IN
OUTPUT
DC 5V
720p-2ch
Output 2
EDID learn mode loads the highest common resolution and audio format between output 1 and the
source and mirrors to all outputs. *EDID learning only available for output 1*
To learn EDID press and hold the EDID button until the EDID learn LED flashes. Learning is
completed once the LED is solid.
Note: Using the above diagram, output 2 will receive no audio or video once EDID is learned.
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DVI
The HDDA is compatible with a combination of DVI and HDMI. Please use the EDID learn table
below for the best compatibility.
Display
Learned EDID
DVI
Color Space Color Depth Audio Result
DVI only
RGB
RGB
YUV
YUV
8 bit
8 bit
No
No
Video ok, no audio
Video ok, no audio
DVI won’t work
DVI + HDMI
DVI + HDMI
HDMI only
DVI
HDMI
12 bit (up to) Yes
12 bit (up to) Yes
HDMI
Everything works
Connection and Installation
POWER SYNC
1
INT LEARN
2
3
4
EDID
AT-HDDA-4
AT-HDDA-4
1
2
3
4
FIRMWARE
HDMI IN
OUTPUT
DC 5V
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Specifications
Video Resolutions
Video
480i@60Hz, [email protected]/60Hz, 576i@50Hz, 576p@50Hz,
720p@50/59.94/60Hz, 1080i@50/59.94/60Hz,
[email protected]/24/25/29.97/30/50/59.94/60Hz,
3840x2160@24/25/30/60Hz (UHD), 4096x2160@24/25/30/60Hz
VESA
640x480, 800x600, 1024x768, 1280x768, 1280x800, 1280x1024,
1366x768, 1440x900, 1400x1050, 1600x1200, 1600x900,
1680x1050, 1920x1200
Colorspace
YCbCr, RGB
Chroma Subsampling
Color depth
4:4:4, 4:2:2, 4:2:0 (UHD only)
8-bit, 10-bit, 12-bit
Audio
Formats
PCM 2Ch, LPCM 5.1, LPCM 7.1, Dolby Digital, DTS 5.1,
Dolby Digital Plus, Dolby TrueHD, DTS-HD Master Audio
32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
Sample Rate
Distance
HDMI IN
up to 15 meters (@1080p 8-bit)
up to 15 meters (@1080p 12-bit)
up to 5 meters
up to 50 feet
up to 50 feet
up to 15 feet
HDMI OUT
4K
Signal
Bandwidth
CEC
10.2 Gbps
No
HDCP
Compliant
Temperature
Operating
0°C to 40°C
-20°C to 60°C
32°F to 104°F
-4°F to 140°F
Storage
Humidity
20 to 90% non-condensing
Power
Consumption
Supply
5W
Input: AC100~240V 50/60Hz
Output: DC 5V/3A
Dimension
H x W x D
44 x 433.8 x 255 (mm)
55.15 x 433.8 x 255 (mm)
1
1.73 x 17.08 x 10.04 (inch)
2.17 x 17.08 x 10.04 (inch)
w/feet
Rack Unit
Weight
Device
Shipping
2.61 kg
4.22 kg
5.75 lbs
9.3 lbs
Certification
Power Supply
CE, FCC, RoHS, cULus
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Safety Information
Safeguards
To reduce the risk of electric shock, do not
expose this product to rain or moisture
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.
If the wall plug does not fit into your local
power socket, hire an electrician to replace
your obsolete socket.
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
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, Inc 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
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