ALFAtron ALF-SUK4 User manual

ALF-SUK4
HDMI 2.0 1x4 Splitter with 4K to 1080p
Down-scaling

ALFATRON ALF-SUK4
2
Statement
Thanks for purchasing this product, please read this user manual carefully before
using this product. The functions described in this version are updated till May, 2019.
In the constant effort to improve our product, we reserve the right to make functions or
parameters changes without notice or obligation.
Safety Precaution
 Do not dismantle the housing or modify the module to avoid electrical shock or burn.
 Using supplies not meeting the products' specifications may cause damage,
deterioration or malfunction.
 Do not expose the unit to rain, moisture or install this product near water.
 Install the device in a place with fine ventilation.
 Do not twist or pull by force ends of the optical cable. It can cause malfunction.
 Do not use liquid or aerosol cleaners to clean this unit.
 Always unplug the power to the device before cleaning.
 Unplug the power when not used for a long period of time.
 Refer all servicing to qualified service personnel.
After-sales Service
We provide limited warranty for the product within seven Years.
Packing List
 1x HDMI 2.0 1x4 Splitter
 4x Plastic Cushions
 1x Power Adapter (5V DC 1A)
 1x User Manual
Note: Please contact your distributor immediately if any damage or defect in the
components is found.

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Product Introduction
Thanks for choosing the HDMI 2.0 1x4 Splitter, which can distribute one HDMI input to
four outputs. The splitter supports HDMI video resolution up to 4K@60Hz 4:4:4, 1080p
3D, and multichannel audio formats. Besides passing EDID information from the
display, there are multiple built-in EDID settings can be selected by the 4-pin DIP
switch on the front panel. Moreover, the splitter supports convenient firmware upgrade
through Micro-USB port.
Features
 Supports HDMI 2.0 and the video resolution up to 4K@60Hz 4:4:4.
 HDMI input supports HDCP 2.2 and the outputs support HDCP Active or HDCP
Passive mode.
 Supports video resolution down-scaling, the 4K input can be automatically degraded
to 1080p output for compatibility with 1080p display.
 18Gbps high bandwidth.
 Advanced EDID management: multiple built-in EDID settings can be selected.
 Built-in equalizer for signal enhancement to avoid signal attenuation in transmission.
 Supports CEC pass-through.
 Provides LEDs to indicate the current operating status.
 Firmware upgrade by Micro-USB port.
Panel Description
Front Panel
① POWER LED: The LED illuminates red when power is applied.
② INPUT LED: The LED illuminates blue when there is HDMI input.
③ OUTPUT LEDs: The LED illuminates blue when there is HDMI output on the
corresponding channel.
IN 1 2 3 4 FW
1
2
3
4
EDID
ON
OFF
1
0
1
23
4
5

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④ EDID: 4-pin DIP switch for EDID setting and HDCP mode selection. Please refer
to the EDID Management for more details.
⑤ FW: Micro-USB port for firmware upgrade.
Rear Panel
① INPUT: Type-A female HDMI input port to connect a HDMI source.
② OUTPUTS: Four type-A female HDMI output ports to connect HDMI displays.
③ DC 5V: DC barrel port to connect an AC power adapter.
DIP Switch Operation
EDID Management
The Extended Display Identification Data (EDID) is used by the source device to
match its video resolution with the connected display. By default, the source device
obtains its EDID from the first connected display. Meanwhile, since the displays with
different capabilities are connected to the splitter, the DIP switch on the front panel can
be used to set the EDID to a fixed value to ensure the compatibility in video resolution.
The switch represents “0” when in the lower (OFF) position, and it represents “1” while
putting the switch in the upper (ON) position.
Switch 1~3 are used for EDID setting. The DIP switch status and its corresponding
1 2 4 3 IN
1
2
3
DC 5V
IN

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setting are shown at the back of the product.
Switch Status Video Resolution Audio Format
000 Obtains EDID from the first detected display starting at HDMI output
1>2>3>4.
001 Obtains EDID from the first detected display starting at HDMI output
4>3>2>1.
010 1080p LPCM
011 1080p DTS/Dolby
100 3840x2160@30Hz HDR LPCM
101 3840x2160@30Hz HDR DTS/Dolby
110 3840x2160@60Hz HDR LPCM
111 3840x2160@60Hz HDR DTS/Dolby
HDCP Mode
Put switch 4 on “ON” position to select HDCP Active mode, or to “OFF” for HDCP
Passive mode.
Switch Status Mode HDCP
OFF (0) Passive
(Default) Automatically follows the display’s HDCP version.
ON (1) Active Automatically removes the HDCP content of HDMI
output for broader video solution.
1
2
3
4
EDID Setting
1080p DTS/Dolby
4K/30Hz LPCM
4K/60Hz LPCM
4K/60Hz DTS/Dolby
Default
1 2 3 4
ON
OFF
1
0
ON
OFF
ON
OFF
1 2 3
Priority OUT 1 > 2 > 3 > 4
ON
OFF
1 2 3
Priority OUT 4 > 3 > 2 > 1
ON
OFF
1 2 3
ON
OFF
1 2 3
1080p LPCM
ON
OFF
1
2
3
ON
OFF
1
2
3
ON
OFF
1
2
3
ON
OFF
1
2
3
4K/30Hz DTS/Dolby

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Video Resolution Down-scaling
The product supports video resolution down-scaling, the 4K input can be automatically
degraded to 1080p output for compatibility with 1080p display, shown in the below chart.
Input Output
# Resolution Refresh Color
Space Downscale 1080p Specs
1 3840x2160 60 4:4:4 Support 1080p@60Hz 4:4:4
2 3840x2160 30 4:4:4 Support 1080p@30Hz 4:4:4
3 3840x2160 24 4:4:4 Support 1080p@24Hz 4:4:4
4 3840x2160 60 4:2:0 Support 1080p@60Hz 4:4:4
5 3840x2160 30 4:2:0 Support 1080p@30Hz 4:4:4
6 3840x2160 24 4:2:0 Support 1080p@24Hz 4:4:4
7 3840x2160 60 4:2:2 Not Support N/A
8 3840x2160 30 4:2:2 Not Support N/A
9 3840x2160 24 4:2:2 Not Support N/A
Firmware Upgrade
Please follow the below steps to upgrade firmware by the Micro-USB port:
1) Connect the splitter to the PC with USB cable.
2) Power on the splitter, and then the PC will automatically detect a U-disk named of
“BOOTDISK”.
3) Double-click to open the U-disk, a file named of “READY.TXT” will be showed.
4) Copy the latest upgrade file (.bin) to the “BOOTDISK” U-disk directly.
5) If the filename “READY.TXT” automatically turns to “SUCCESS.TXT”, the firmware
was upgraded successfully. If the firmware upgrade failed, please check the file
(.bin) and then follow the above procedure to operate again.
6) Remove the USB cable after firmware upgrade.

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Technical Specification
Video Input
Input (1) HDMI
Input Connector (1) Type-A female HDMI
HDMI Input Resolution Up to 4Kx2K@60Hz 4:4:4 8bit
HDMI Standard 2.0
HDCP Version 2.2, 1.4 compliant
CEC Supported
Video Output
Output (4) HDMI
Output Connector (4) Type-A female HDMI
HDMI Output Resolution Up to 4Kx2K@60Hz 4:4:4 8bit
HDMI Standard 2.0
HDCP Version 2.2, 1.4 compliant
CEC Supported
Control
Control Part (1) EDID 4-pin DIP switch, (1) Micro-USB port
General
Bandwidth 18Gbps
HDMI 2.0 Cable Length 4K@60Hz 4:4:4 ≤ 5m, 4K@60Hz 4:2:0 ≤ 15m,
1080p ≤ 20m
Operation Temperature -10℃ ~ +55℃
Storage Temperature -25℃ ~ +70℃
Relative Humility 10%-90%
Power Supply Input:100V~240V AC, Output: 5V DC 1A
Power Consumption 2.5W (Max)
Dimension (W*H*D) 142.0mm x 17.6mm x 70.4mm
Net Weight 260g
Note: Please adopt high-qualified HDMI cable fully compliant with HDMI 2.0 for
reliable transmission and connection.

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System Connection
The following diagram illustrates the typical input and output connection of the splitter:
Limited warranty in respect of Alfatron Products Only
1.1 This limited warranty covers defects in materials and workmanship in this product.
1.2 Should warranty service be required, proof of purchase must be presented to the
Company. The serial number on the product must be clearly visible and not have been
tampered with in any way whatsoever.
1.3 This limited warranty does not cover any damage, deterioration or malfunction
resulting from any alteration, modification, improper or unreasonable use or
maintenance, misuse, abuse, accident, neglect, exposure to excess moisture, fire,
improper packing and shipping (such claims must be presented to the carrier),
lightning, power surges, or other acts of nature. This limited warranty does not cover
any 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 the Company to make such repairs, or
any other cause which does not relate directly to a defect in materials and/or
workmanship of this product. This limited warranty does not cover equipment
enclosures, cables or accessories used in conjunction with this product.
1 2 4 3 IN
4K/60 Blu-ray
4K/ 60 Dis play
1080 p Disp lay
4K/ 60 Dis play
1080 p Disp lay
Down Scaling
Down Scaling
4K@60 4:4:4 HDR

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This limited warranty does not cover the cost of normal maintenance. Failure of the
product due to insufficient or improper maintenance is not covered.
1.4 The Company does not warrant that the product covered hereby, including, without
limitation, the technology and/or integrated circuit(s) included in the product, will not
become obsolete or that such items are or will remain compatible with any other
product or technology with which the product may be used.
1.5 Only the original purchaser of this product is covered under this limited warranty.
This limited warranty is not transferable to subsequent purchasers or owners of this
product.
1.6 Unless otherwise specified, the goods are warranted in accordance with the
manufacturer’s product specific warranties against any defect attributable to faulty
workmanship or materials, fair wear and tear being excluded.
1.7 This limited warranty only covers the cost of faulty goods and does not include the
cost of labor and travel to return the goods to the Company’s premises.
1.8 In the event of any improper maintenance, repair or service being carried out by
any third persons during the warranty period without the Company’s written
authorization, the limited warranty shall be void.
1.9 A 7 (seven) year limited warranty is given on the aforesaid product where used
correctly according to the Company’s instructions, and only with the use of the
Company’s components.
1.10 The Company will, at its sole option, provide one of the following three remedies
to whatever extent it shall deem necessary to satisfy a proper claim under this limited
warranty:
1.10.1 Elect to repair or facilitate the repair of any defective parts within a reasonable
period of time, free of any charge for the necessary parts and labor to complete the
repair and restore this product to its proper operating condition.; or
1.10.2 Replace this product with a direct replacement or with a similar product deemed
by the Company to perform substantially the same function as the original product; or
1.10.3 Issue a refund of the original purchase price less depreciation to be determined
based on the age of the product at the time remedy is sought under this limited
warranty.
1.11 The Company is not obligated to provide the Customer with a substitute unit
during the limited warranty period or at any time thereafter.
1.12 If this product is returned to the Company this product must be insured during
shipment, with the insurance and shipping charges prepaid by the Customer. If this
product is returned uninsured, the Customer assumes all risks of loss or damage
during shipment. The Company will not be responsible for any costs related to the

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removal or reinstallation of this product from or into any installation. The Company will
not be responsible for any costs related to any setting up this product, any adjustment
of user controls or any programming required for a specific installation of this product.
1.13 Please be aware that the Company’s products and components have not been
tested with competitor’s products and therefore the Company cannot warrant products
and/or components used in conjunction with competitor’s products.
1.14 The appropriateness of the goods for the purpose intended is only warranted to
the extent that the goods are used in accordance with the Company’s installation,
classification and usage instructions.
1.15 Any claim by the Customer which is based on any defect in the quality or
condition of the goods or their failure to correspond with specification shall be notified
in writing to the Company within 7 days of delivery or (where the defect or failure was
not apparent on reasonable inspection by the Customer) within a reasonable time after
discovery of the defect or failure, but, in any event, within 6 months of delivery.
1.16 If delivery is not refused, and the Customer does not notify the Company
accordingly, the Customer may not reject the goods and the Company shall have no
liability and the Customer shall pay the price as if the goods had been delivered in
accordance with the Agreement.
1.17 THE MAXIMUM LIABILITY OF THE COMPANY UNDER THIS LIMITED
WARRANTY SHALL NOT EXCEED THE ACTUAL PURCHASE PRICE PAID FOR
THE PRODUCT.