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User Manual
Model 1398C
4K/2K Video Distribution Amplifier
®
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Liability Statement
Every effort has been made to ensure that this product is free of defects.
Audio Authority® cannot be held liable for the use of this hardware or any direct
or indirect consequential damages arising from its use. It is the responsibility
of the user of the hardware to check that it is suitable for his/her requirements
and that it is installed correctly. All rights reserved. No parts of this manual may
be reproduced or transmitted by any form or means electronic or mechanical,
including photocopying, recording or by any information storage or retrieval
system without the written consent of the publisher.
Audio Authority reserves the right to revise any of its hardware and software
following its policy to modify and/or improve its products where necessary or
desirable. This statement does not affect the legal rights of the user in any way.
Audio Authority and the Double-A Symbol are registered trademarks of
Audio Authority Corp. Copyright May, 2014, all rights reserved. All third party
trademarks and copyrights are recognized.
HDMI, the HDMI logo and High-Denition Multimedia Interface are trademarks or
registered trademarks of HDMI Licensing LLC.
HDCP (High-bandwidth Digital Content Protection) is licensed by Digital Content
Protection, LLC.
Dolby is a registered trademark of Dolby Laboratories, Incorporated.
Warnings
Please read all instructions before attempting to unpack or install or operate this
equipment, and before connecting the power supply. Please keep the following
in mind as you unpack and install this equipment:
● Always follow basic safety precautions to reduce the risk of re, electrical
shock and injury to persons
● To prevent re or shock hazard, do not expose the unit to rain, moisture or
install this product near water
● Never spill liquid of any kind on or into this product
● Never push an object of any kind into this product through module openings or
empty slots, as you may damage parts
● Do not attach the power supply cabling to building surfaces
● Do not allow anything to rest on the power cabling or allow it to be abused by
persons walking on it
● To protect the equipment from overheating, do not block the slots and
openings in the module housing that provide ventilation
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Table Of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Checking Package Contents . . . . . . . . . . . . . . . . . .4
Getting the Best Results . . . . . . . . . . . . . . . . . . . .5
Planning a Distribution System . . . . . . . . . . . . . . . . .6
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . 9
Specications . . . . . . . . . . . . . . . . . . . . . . . . . 10
Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . 11
Regulatory Compliance . . . . . . . . . . . . . . . . . . . . 11
Contact Information . . . . . . . . . . . . . . . . . . . . . . 11
Model 1398C
4K/2K Distribution Amplifier
®
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Introduction
Thanks for purchasing the Model 1398C UHD distribution amplier from Audio
Authority®. The 1398C is designed to split a 4K HDMI® signal from one source
to a wide spectrum of HDMI displays in retail demo environments. It is the ideal
solution for merchandising HD displays using the latest content at the highest
resolutions, and even 3D. Display-source compatibility is ensured by the
1398C’s multiple EDID options. Daisy-chain multiple 1398Cs or create a huband-spoke layout for large distribution systems.
Features
● Supports HDMI Deep Color & 3D / DVI 1.0 compliant
● HDCP 1.3 compliant
● Wide frequency range: 25MHz~340MHz
● Video bandwidth: 10.2Gbps
● Resolution up to 4K2K @30MHz
● Supports default EDID and has ability to learn the EDID of displays
● Supports xvYCC, x.v.Color & Deep Color
● Mini-USB rmware update for expanding compatibility
● Supports Dolby Digital®, DTS-HD® and Dolby TrueHD® audio
● Easy installation
Checking Package Contents
Before attempting to use this DA, please the packaging and make certain the
following items are contained in the shipping carton:
● 1398C
● 5VDC Power Adapter
● User Manual
Note: Please keep the original packing material in case the unit needs to be
returned. If you nd any items are missing, contact Audio Authority immediately at
800-322-8346. Have the model number and invoice available for reference when you
call.
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Getting the Best Results
Many factors inuence the quality and reliability of HDMI signal distribution
installations. The following are the main factors to consider, and basic precautions
that will ensure the best possible performance.
● Resolution tracking - Set the source to output the best resolution that all TVs
are capable of displaying. Utilize the following instructions to ensure that all
TVs connected to the DA receive video signal. If the TVs have a wide range of
resolution capabilities, the highest resolution sets may not be shown to their best
advantage.
● Source resolution and video/sound quality - Sources, such as satellite
receivers or cable boxes can output at low resolutions or deliver extremely
compressed video material that may yield poor results. Consider the source
when planning and troubleshooting your system.
● Output display devices - The quality of the video image depends upon the
type and quality of the HDMI display devices used. The device with the lowest
resolution will be the reference standard for the rest of the HDMI displays
connected to the DA.
● Distance between the DA source and the displays - Long distances are
possible, but premium quality cables and advanced HDMI extenders may be
necessary for the longest runs.
● Connection cables - HDMI cable design and quality are extremely important in
long cable runs where capacitance can severely degrade performance. Use high
speed premium cables designed to handle video resolutions such as 1080p, 4K,
3D and Deep Color; low quality cables are susceptible to interference. Always
use good strain relief methods to prevent cables from becoming loose over time.
● Interference from nearby electrical devices - This can have an adverse effect
on signal quality. For example, older computer monitors often emit very high
electromagnetic elds that can interfere with the performance of nearby video
equipment.
Higher
Lower
Shorter Distance Longer Distance
Resolution
Refresh Rate
Bit Depth
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Planning a Distribution System
● Each display should be tested with the source(s) being used to ensure basic
compatibility before connecting them to a distribution amp and/or switcher.
Not all HDMI components and displays are compatible.
● Since all of the displays will be receiving the same video signal resolution and
format from the source, make sure the source is set to output the highest
resolution that all of the displays can accept. For instance, if one of the
displays connected to the distribution system can only accept a maximum
input resolution of 1080p, all of the displays will receive only 1080p video
signals. You may consider creating two or three separate distribution systems
with different sources and different output resolutions so that you can
adequately demonstrate the highest resolution HDTV sets.
● Since HDMI connectors can sometimes become loose, mount the switcher
or distribution amplier to a at surface and add strain relief tie-downs a few
inches away from every HDMI cable connector.
Large HDMI Distribution Systems
If you plan to install a very large HDMI signal distribution network, you should
be aware of system limitations related to content protection. Audio Authority can
help you design a distribution system that suits your needs and is easy to install
and operate.
● Each system is limited to 128 Rx “nodes” including the rst Rx node.
● Every device with an Rx chip counts as one node, including TVs, distribution
amps, and switchers.
● The number of “layers” is limited to seven. This means the number of
switchers and/or distribution amps between a source and any TV must be six
or fewer. For this reason, a “hub and spoke” system architecture may be more
appropriate than a “daisy chained” architecture.
● A distribution system feeding the highest number of displays allowable using
two, four, and eight output distribution amps has a capacity of 108 TVs. The
distribution ampliers add up to 17 Rx nodes, and the source is one node, so
the total number of downstream nodes in this system is 126.
About 3D Content Distribution
● When the input signal contains 3D data all connected displays must support
3D content in order to display an image.
● Distributing 3D content also implies that all viewers have the 3D glasses
available for the appropriate TV. If this is not the case, 3D content may not be
a good choice for general signal distribution.
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Installation
Study the drawing below and become familiar with the controls, signal input,
outputs and power input.
®
POWER
5V DC
INPUT SYNC OUTPUT OUTPUT OUTPUT OUTPUT
OUTPUT OUTPUT OUTPUT OUTPUTUSB
UPDATE
EDID
Model 1398C Ultra HD 4K/2K Distribution Amplifier
1
5 6 7 8
2 3 4
0
6
7
®
800-322-8346 • 859-233-4599 • www.audioauthority.com
4
2
3
5
1
OUTPUT 4
OUTPUT 3
OUTPUT 2
OUTPUT 1
OUTPUT 8
OUTPUT 7
OUTPUT 6
OUTPUT 5
SYNC LED
INPUT
POWER
FIRMWARE
UPDATE
EDID
1398C
POWER LED
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Wiring the System
● Switch off all devices, including monitors.
● Connect an HDMI approved high speed cable from the HDMI source to the
input of the 1398C. Cable lengths should be kept as short as possible.
● Connect the outputs of the 1398C to their displays or other devices.
● Make certain that the HDMI cables are securely plugged into the source and
display devices as well as the 1398C. Always use high speed quality cables,
and the shortest length possible, for best results.
● Connect the power adapter to the AC source and then to the 1398C.
● The unit begins to function as soon as the AC adapter is connected to the unit
and AC power. There is no power switch.
● Turn on the HDMI source and HDMI destination devices and observe the
source signal on the inputs of all of the destination devices.
Note: Proper operation of HDMI distribution ampliers depends on the use
of high speed quality HDMI cables with low loss, high bandwidth signal handling
capabilities.
Operation
MODE - EDID* Switch:
EDID DESCRIPTION SPECIFICATION
0 Firmware Update mode
1 Full-HD (1080p@60) 24bit 2D video & 7.1ch audio
2 Full-HD (1080p@60) 24bit 2D video & 2ch audio
3 Ultra-HD (4K@30) 24bit 2D video & 7.1ch audio
4 Ultra-HD (4K@30) 24bit 2D video & 2ch audio
5 HD (1080p@30) (1080i@60) (720p@60)
- 24bit 2D video & 2ch audio
6 Auto EDID analysis learning mode
7 EDID learning mode - use OUTPUT 1 port for learning EDID from
the displays
* Extended Display Identication Data
Notes:
A. Automatic EDID learning will detect all of the connected HDMI equipped displays and
analyze the content of EDID. The display that has the lowest resolution support will be the
reference EDID for incoming HDMI sources.
B. While connecting a new monitor to the 1398C under mode 6 (Auto EDID) & mode 7
(EDID learning mode), you may experience a short period of time without any program
material viewed on the display. The splitter will do Automatic EDID learning which
analyzes the newly connected monitor to see if the EDID for the HDMI input must be
updated.
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Firmware Updates
Contact Audio Authority Technical Support at 800-322-8346 for information
regarding Firmware Updates.
Troubleshooting
● For 4K resolution, rst make certain that the input cable is as short as possible.
HDMI cable design and quality are extremely important in long cable runs where
capacitance can severely effect performance. Use a quality high speed HDMI
cable or high speed HDMI Extender that supports Ultra- HD.
● Make certain that the distribution amplier is receiving power by looking at the
power LED. It should be illuminated and not ickering on and off. Intermittent
operation generally means a problem with the DC power adapter or low AC
voltage being applied to the DC adapter’s input.
● If some lower resolution TVs do not display a picture, you may need to divide
your distribution system into separate 1080p, and 4K systems with a source for
each system.
● If some displays are not receiving video signal, or lose signal, check to see if
they are on the wrong input.
● If you still experience problems using the distribution amplier, troubleshoot by
rst attaching the source device directly to each of the destination devices in turn
using the same cables you are using with the expanded system. This is a way
of determining if the problem is due to bad cables or a problem with the other
devices. If you are unable to obtain a signal using this simplied path, suspect
the cables, the source device or the destination device.
If a problem still persists after trying the above suggestions, contact the
Audio Authority Technical Service department via email: support@audioauthority.
com, or call 800-322-8346 or 859-233-4599.
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Specications
Model 1398C 1x8 Distribution Amplier (Splitter)
HDMI Compliance HDMI Deep Color, 3D & 4K/2K
DVI Compliance DVI 1.0
HDCP Compliance HDCP 1.3
Video Bandwidth Single-link 340MHz (10.2Gbps)
Video Support Up to 4K @30
Audio Support DTS-HD Master Audio, Dolby TrueHD Dolby
Digital, DTS, DVD-Audio, LPCM, SACD,
MPCM
ESD Protection (1) Human body model — ±19kV (air-gap
discharge) & ±12kV (contact discharge)
(2) Core chipset — ±2kV
Firmware Update via Mini-USB port
Input 1x HDMI (7.1ch audio & 4K video)
Output 8x HDMI (7.1ch audio & 4K video)
HDMI Connector Type A (19-pin female)
Rotary Control Switch EDID mode selection
Dimensions (L x W x H) 328 x 102 x 26mm (12.9” x 4” x 1”)
Weight 880 g (31 oz)
Shipping Weight 1.58 kg (3.5 lbs)
Power Supply 5V DC 4A
Power Consumption 10 watts (max)
Regulatory Approvals US/EU standards, CE, FCC/UL certied
Operation Temperature 0~40°C (32~104°F)
Storage Temperature -20~60°C (-4~140°F)
Relative Humidity 20~90% RH (no condensation)
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Limited Warranty
If this Audio Authority® product fails due to defects in materials or workmanship
within one year from the date of the original sale to the end-user, Audio Authority
guarantees that we will replace the defective product at no cost. Freight charges for
the replacement unit will be paid by Audio Authority® (Ground service only). A copy
of the invoice showing the item number and date of purchase (proof-of-purchase)
must be submitted with the defective unit to constitute a valid in-warranty claim.
Units that fail after the warranty period has expired may be returned to the factory
for repair at a nominal charge, if not damaged beyond the point of repair. All freight
charges for out-of-warranty returns for repair are the responsibility of the customer.
Units returned for repair must have a Return Authorization Number assigned by the
factory.
This is a limited warranty and is not applicable for products which, in our opinion,
have been damaged, altered, abused, misused, or improperly installed. Audio
Authority makes no other warranties either expressed or implied, including limitation
warranties as to merchantability or tness for a particular purpose. Additionally,
there are no allowances or credits available for service work or installation
performed in the eld by the end user.
Warranty Service Procedures
If you suspect a product defect, contact Audio Authority’s Technical Service
Department at 800-322-8346 or 859-233-4599 for assistance in verifying the
problem. If a defect or potential defect is suspected, a replacement unit will be
shipped immediately on a defect-exchange basis and a Return Authorization
Number will be issued for the return of the defective product. Replacement units
are sent out at the Manufacturer’s Suggested Retail Price which is charged to the
Customer’s Credit Card at the time of shipment. Once we receive the defective
unit back at the factory, it will be evaluated under the conditions of this warranty
and if found to be in-warranty, a full credit will be issued to the Customer’s Credit
Card. Return freight charges for the defective unit are the customer’s responsibility.
Please contact our Technical Service Department for complete details concerning
all in and out of warranty service matters.
We appreciate your condence in our products and services and will always strive
to meet or exceed your needs.
Regulatory Compliance
Model 1398C distribution ampliers have been tested for compliance with
appropriate FCC and CE rules and regulations and are also RoHS compliant.
The power adaptor has been tested for compliance with UL, CE and CSA rules and
regulations and is also RoHS compliant.
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2048 Mercer Road, Lexington, KY 40511-1071 USA
800-322-8346 • 859-233-4599 • Fax: 859-233-4510
support@audioauthority.com • www.audioauthority.com
752-663 Rev. 20140527
®
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