IDK VAC-4000UHD User manual

4K@60 and HDCP 2.2 supported HDMI Distribution Amplifier
(with Audio De-embedder)
VAC-2000UHD / 4000UHD
<User’s Guide>
Ver.1.3.0
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VAC-2000UHD
DISTRIBUTION AMPLIFIERfor HDMI
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VAC-4000UHD
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●Thank you for choosing this IDK product.
●To ensure the best performance of this product, please read this User’s Guide fully and carefully before
using it and keep this manual beside this product.
IDK Corporation

VAC-2000UHD / 4000UHD User’s Guide
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Trademarks
Blu-ray Disc and Blu-ray is a trademarks of Blu-ray Disc Association.
The terms HDMI and HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or
registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries.
The terms Anti-snow and Connection Reset are registered trademarks of IDK Corporation in Japan.
All other company and product names mentioned in this manual are either registered trademarks or
trademarks of their respective owners. In this manual, the “®” or “™” marks may not be specified.

VAC-2000UHD / 4000UHD User’s Guide
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Before reading this manual
●All rights reserved.
●Some of the contents in this User’s Guide such as appearance diagrams, menu operations,
communication commands, and so on may differ depending on the version.
●This User’s Guide is subject to change without notice. You can download the latest version from IDK’s
website at: http://www.idk.co.jp/en/index.html
FCC STATEMENT
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to
part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This equipment generates, uses,
and can radiate radio frequency energy and, if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communications. Operation of this equipment in a residential
area is likely to cause harmful interference and the user will be required to correct that interference at their
own expense.
CE MARKING
This equipment complies with the essential requirements of the relevant European health, safety and
environmental protection legislation.
WEEE MARKING
Waste Electrical and Electronic Equipment (WEEE), Directive 2011/65/EU
(This directive is only valid in the EU.)
This equipment complies with the WEEE Directive (2011/65/EU) marking requirement.
The left marking indicates that you must not discard this electrical/electronic equipment in
domestic household waste.

VAC-2000UHD / 4000UHD User’s Guide
4
Safety instructions
Read and understand all safety and operating instructions before using this product. Follow all instructions
and cautions as detailed in this document.
Enforcement Symbol
Description
Indicates the presence of a hazard that may result in death or serious
personal injury if the warning is ignored or the equipment is handled
incorrectly.
Indicates the presence of a hazard that may cause minor personal
injury or property damage if the caution is ignored or the equipment is
handled incorrectly.
Symbol
Description
Example
Caution
This symbol is indicated to alert the user. (Warning and caution)
Electrical
Hazard
Prohibition
This symbol is intended to prohibit the user from actions.
Do not
disassemble
Instruction
This symbol is intended to instruct the user.
Unplug
Caution
Warning

VAC-2000UHD / 4000UHD User’s Guide
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Prohibition
Do not place the product in any unstable place.
Install the product to a horizontal and stable place. Otherwise, it may fall/turn over and lead to injury.
Do not place the product in any environment with vibration.
Otherwise, it may move/fall and lead to injury.
Keep out any foreign objects.
In order to avoid fire or electric shock, do not allow foreign objects, such as metal and paper, to enter the product
from the vent holes.
For power cable/plug:
●Do not scratch, heat, or modify, including extending them
●Do not pull, put heavy stuff on them, or pinch them.
●Do not bend, twist, or tie them together forcefully.
If they are used in those states continuously, it may cause fire or electric shock. If power cables/plugs become
damaged, contact IDK.
Do not
disassemble
Do not repair, modify or disassemble.
Since the product includes high-voltage parts, those actions may cause fire or electric shock. For internal
inspections or repairs, contact IDK.
Do not touch
In the event of lighting or thunder, do not touch the main unit and cables such as
power cable and LAN cable.
Contact may cause electric shock
Instruction
For installation:
The product is intended to be installed by skilled technicians. For installation, please contact a system integrator
or IDK. Otherwise, it may cause fire, electric shock, injury, or property damage.
Set the power plug in a convenient place to unplug easily.
You can easily unplug in case of any extraordinary failure or abnormal situation, and it also helps for unplugging
when you do not use it for a long period.
Plug the power plug into appropriate outlet completely.
If the plug is plugged incompletely, it may overheat which causes electrical shock or fire. Do not use damaged
plug or loosened outlet.
Clean the power plug regularly.
If the plug is covered in dust, it may cause fire due to reduced insulating power.
Unplug
Unplug immediately if the product smokes, makes unusual noise, or smells.
If you continue to use the product under those situations, it may cause electric shock or fire. After confirming that
the product stops smoking, contact IDK.
Unplug immediately if you drop the product or if the cabinet is damaged.
If you continue to use the product under those situations, it may cause electrical shock or fire. For maintenance
and repair, contact IDK.
Unplug immediately if water or other objects are directed inside.
If you continue to use it under those situations, it may cause electrical shock or fire. For maintenance and repair,
contact IDK.
For connection
Instruction
Differences in ground potential among the product and peripheral devices may cause electric shock or damage
of the devices. When using cables to connect devices, including connection of long-distance transmission,
unplug the power cables of all related devices.
After connecting signal/control cables of each device, plug in the power cables of each device.
Warning

VAC-2000UHD / 4000UHD User’s Guide
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For installation
For rack mount devices:
Instruction
Mount the product to the rack meeting EIA standards, and maintain spaces above and
below for air cooling. For your safety, attach an L-shape bracket in addition to the mount
bracket kit for the front panel to balance the weight.
For devices with rubber feet:
Instruction
Never insert only the screws into the holes after removing the rubber feet. It may lead to
damage when the screws contact electrical circuit or parts inside of the product.
To put the rubber feet back on, use only provided rubber feet and screws.
Altitude:
Instruction
Do not place the product at elevations of 2,000 meters (6562 feet) or higher above sea
level. Failure to do so may shorten the life of the internal parts and result in malfunctions.
Prohibition
Do not place the product in any place where it will be subjected to high
temperatures.
If the product is subjected to direct sunlight or high temperatures, it may cause fire.
Do not place the product in humid, oil smoke, or dusty place.
If the product is placed near humidifiers or dusty area, it may cause fire or electric shock.
Do not block the vent holes.
If ventilation slots are blocked, it may cause fire or failure due to internal heat.
Do not put heavy items on the product.
It may fall/turn over and lead to injury.
Do not exceed ratings of outlet and wiring devices.
If several plugs are put in an outlet, it may cause fire and electric shock.
Use only the provided AC adapter and power cable.
Do not use the provided AC adapter and power cable with other products.
If non-compliant adapter or power cables is used, it may cause fire or electrical shock. Use the supplied AC power
connection cable.
No wet hands
Do not plug or unplug with wet hands.
It may cause electrical shock.
Instruction
Use and store the product within the specified temperature/humidity range.
If the product is used outside the range continuously, it may cause fire or electric shock.
Turn off devices when they are connected to another device.
It may cause fire or electric shock.
Unplug
Unplug the power plug if you do not use the product for a long period.
In case of defect, it may cause fire.
Unplug the power plug before cleaning.
It may cause electric shock.
Caution

VAC-2000UHD / 4000UHD User’s Guide
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Table of Contents
1Included items....................................................................................................................................... 8
2Product outline...................................................................................................................................... 9
3Features...............................................................................................................................................10
4Part names and descriptions................................................................................................................11
4.1 Front panel.....................................................................................................................................11
4.2 Rear panel......................................................................................................................................12
5Sample application...............................................................................................................................13
6Precautions before connection .............................................................................................................14
7Basic operation....................................................................................................................................15
7.1 Menu operations.............................................................................................................................15
7.2 Locking menu operation keys .........................................................................................................16
7.3 Initialization ....................................................................................................................................16
8Menus..................................................................................................................................................17
8.1 Menu list.........................................................................................................................................17
8.2 Setting input and output (Setting menu)..........................................................................................19
8.2.1 [ F01 to F03 ] Copying EDID....................................................................................................19
8.2.2 [ F10 ] Setting EDID resolution................................................................................................20
8.2.3 [ F12 ] Setting external EDID...................................................................................................23
8.2.4 [ F14 ] Setting copied EDID.....................................................................................................23
8.2.5 [ F16 ] No-signal input monitoring............................................................................................24
8.2.6 [ F20 ] Setting Deep Color.......................................................................................................25
8.2.7 [ F22 ] Setting PCM Audio.......................................................................................................25
8.2.8 [ F24 ] Setting AC-3 Dolby Digital Audio ..................................................................................25
8.2.9 [ F26 ] Setting AAC Audio........................................................................................................26
8.2.10 [ F28 ] Setting Dolby Digital Plus Audio....................................................................................26
8.2.11 [ F30 ] Setting DTS Audio........................................................................................................26
8.2.12 [ F32 ] Setting DTS-HD Audio..................................................................................................27
8.2.13 [ F34 ] Setting Dolby TrueHD Audio.........................................................................................27
8.2.14 [ F36 ] Setting Audio channel...................................................................................................28
8.2.15 [ F38 ] Copying CEC physical address copy of EDID...............................................................29
8.2.16 [ F42 ] Setting EDID WXGA.....................................................................................................29
8.2.17 [ F70 to F7n ] Setting audio output...........................................................................................29
8.2.18 [ F90 ] Displaying firmware version..........................................................................................30
8.2.19 [ F99 ] Setting maintenance/status display menu.....................................................................30
8.3 Checking operation (Maintenance menu)........................................................................................31
8.3.1 [ C01 ] Setting HDCP input......................................................................................................31
8.3.2 [ C10 to C1n ] Setting how long Hot plug is ignored.................................................................32
8.3.3 [ C20 to C2n ] Setting forced HDMI output mode.....................................................................33
8.3.4 [ C30 to C3n ] Setting output mode..........................................................................................34
8.4 Displaying input/output statuses (Status display menu)...................................................................35
8.4.1 [ L01 to L22 ] Displaying input information...............................................................................35
8.4.2 [ L30 to Lbn ] Displaying output information.............................................................................38
9Specifications.......................................................................................................................................40
9.1 Pin assignments.............................................................................................................................40
9.1.1 HDMI TypeA connector...........................................................................................................40
9.2 Product specification.......................................................................................................................41
10 Troubleshooting ...................................................................................................................................43

VAC-2000UHD / 4000UHD User’s Guide
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1 Included items
Make sure all items below are included in the package.
If any items are missing or damaged, please contact us.
ON
OFF
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MENU SET
POWER SIGNAL KEY LOCK
VAC-4000UHD
DISTRIBUTION AMPLIFIERfor HDMI
VAC main unit x 1
(Drawing: VAC-4000UHD)
Power cable (1.8m/5.9 feet) x1
Cable clamps
VAC-2000UHD …3 clamps
VAC-4000UHD …5 clamps
Rubber feet x 4
[Fig. 1.1] Included items
You can download the latest version of the User’s Guide from IDK’s website at:
http://www.idk.co.jp/en/index.html

VAC-2000UHD / 4000UHD User’s Guide
9
2 Product outline
The VAC-2000UHD and VAC-4000UHD are HDMI distribution which supports 4K@60 having four times the
resolution of full HD. These distributors include 1 HDMI connector for input, 2 (VAC-2000UHD) or 4
(VAC-4000UHD) HDMI connectors for output, and an analog audio output connector.
Input video signals are output from HDMI output connectors while digital audio signals are converted into
analog audio signals and output from the audio output connector.
The VAC-2000UHD and VAC-4000UHD supports HDCP 2.2 for HDMI signals.
HDMI / DVI
Up to 131 ft./40 m*
VAC-4000UHD
4K@60 video
Power amplifier
Analog audio
4 distribution
outputs
HDMI / DVI
Up to 131 ft./40 m*
4K monitor
4K@60 video
4K monitor
4K@60 video
HDCP 2.2
HDCP 2.2
4K monitor
4K@60 video
4K monitor
4K@60 video
HDCP 2.2
HDCP 2.2
HDCP 2.2
Speaker
BD player
*The maximum extension distance:
1080p@60: 131 ft./40 m; 4K@60: 39 ft./12 m
with cables supporting 18 Gbps transmission
ON
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VAC-4000UHD
DISTRIBUTION AMPLIFIER for HDMI
[Fig. 2.1] Distributing video and audio (VAC-4000UHD)

VAC-2000UHD / 4000UHD User’s Guide
10
3 Features
■
Video
・1 HDMI input; 2 / 4 outputs (VAC-2000UHD / VAC-4000UHD)
・Up to 4K@60 (4:4:4) resolution
・HDCP 1.4 / 2.2
・HDR
・3D
・xvYCC
・Maximum input/output cable distance:
- 1080p@60: up to 131 ft. (40 m)
- 4K@60: up to 39 ft. (12 m) (using 18 Gbps supported High-Speed HDMI cable)
・Cascade connection
・Anti-snow
■
Audio
・Analog audio de-embedded
■
Others
・EDID emulation
・DDC buffering
・CEC: Pass-Through between IN and OUT1
・Displaying statues of Input/Output signals
・Connection Reset
EDID emulator
VAC-2000UHD
Analog audio
L/R unbalanced Output
１
Digital video/audio
HDMI DVI Outputs
2
Video/audio
Audio
Digital video/audio
HDMI DVI Input
１
D/A conversion
2 distributions
Video/audio
Up to
131 ft. (40 m)*
Up to
131 ft. (40 m)*
* The maximum extension distance:
1080p@60: 131 ft. (40 m); 4K@60: 39 ft. (12 m) (with cables supporting 18 Gbps transmission)
[Fig. 3.1] VAC-2000UHD diagram
EDID emulator
VAC-4000UHD
Analog audio
L/R unbalanced Output
１
Digital video/audio
HDMI DVI Outputs
4
Video/audio
Audio
Digital video/audio
HDMI DVI Input
１
D/A conversion
4 distributions
Video/audio
Up to
131 ft. (40 m)* Up to
131 ft. (40 m)*
* The maximum extension distance:
1080p@60: 131 ft. (40 m); 4K@60: 39 ft. (12 m) (with cables supporting 18 Gbps transmission)
[Fig. 3.2] VAC-4000UHD diagram