Splitter for
:
HDMI with Ultra HD
4K x 2K support
14
SOURCE
DISPLAYS
GTB-HD4K2K-144
User Manual
Release A1
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1:4 Splitter for HDMI 4K x 2K
Warranty Information
Gefen warrants the equipment it manufactures to be free from defects in material and
workmanship.
If equipment fails because of such defects and Gefen is notified within two (2) years from
the date of shipment, Gefen will, at its option, repair or replace the equipment, provided
that the equipment has not been subjected to mechanical, electrical, or other abuse or
modifications. Equipment that fails under conditions other than those covered will be
repaired at the current price of parts and labor in effect at the time of repair. Such repairs
are warranted for ninety (90) days from the day of reshipment to the Buyer.
This warranty is in lieu of all other warranties expressed or implied, including without
limitation, any implied warranty or merchantability or fitness for any particular purpose, all of
which are expressly disclaimed.
1. Proof of sale may be required in order to claim warranty.
2. Customers outside the US are responsible for shipping charges to and from Gefen.
3. Copper cables are limited to a 30 day warranty and cables must be in their original
condition.
The information in this manual has been carefully checked and is believed to be accurate.
However, Gefen assumes no responsibility for any inaccuracies that may be contained
in this manual. In no event will Gefen be liable for direct, indirect, special, incidental, or
consequential damages resulting from any defect or omission in this manual, even if
advised of the possibility of such damages. The technical information contained herein
regarding the features and specifications is subject to change without notice.
For the latest warranty coverage information, refer to the Warranty and Return Policy under
PRODUCT REGISTRATION
Please register your product online by visiting the Register Product page under the
Support section of the Gefen Web site.
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1:4 Splitter for HDMI 4K x 2K
Contacting Gefen Technical Support
Gefen, LLC
c/o Customer Service
20600 Nordhoff St.
Chatsworth, CA 91311
Telephone:
(818) 772-9100
(800) 545-6900
Fax:
(818) 772-9120
Email:
Visit us on the Web:
Technical Support Hours:
8:00 AM to 5:00 PM Monday - Friday, Pacific Time
For 24 / 7 support, see the back of the product for the
support number
1:4 Splitter for HDMI 4K x 2K is a trademark of Gefen, LLC.
Important Notice
Gefen, LLC reserves the right to make changes in the hardware, packaging, and any
accompanying documentation without prior written notice.
HDMI, the HDMI logo, and High-Definition Multimedia Interface are trademarks or
registered trademarks of HDMI Licensing in the United States and other countries.
© 2013 Gefen, LLC. All Rights Reserved.
All trademarks are the property of their respective owners.
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1:4Splitter forHDMI4Kx2K
Operating Notes
•
The 1:4 Splitter for HDMI 4K x 2K has advanced EDID management features to
ensure complete compatibility with all sources and display devices.
•
The 1:4 Splitter for HDMI 4K x 2K automatically detects the presence of Deep Color.
This feature will be disabled if any of the connected sink devices (displays, etc.) do not
support this feature. This behavior ensures compatibility among all output devices in a
mixed-device environment. This feature cannot be disabled.
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1:4 Splitter for HDMI 4K x 2K
Features and Packing List
Features
•
•
Simultaneously displays an Ultra Hi-Def source on up to four Ultra HD displays
Supports resolutions up to Ultra HD 4K x 2K (3840 x 2160 @ 30Hz) and
1080p Full HD
•
•
•
•
•
•
•
Supports 12-bit Deep Color
3DTV pass-through
Lip Sync pass-through
FST Technology speeds up HDCP authentication process
Fast and Slow FST Modes
Advanced EDID Management for rapid integration of source and displays
Supports LPCM 7.1, Dolby® TrueHD, Dolby Digital® Plus, and DTS-HD Master
Audio™
•
Supports the use of DVI sources and DVI displays with HDMI-to-DVI adapters
(not included)
•
•
•
•
Field-upgradeable firmware using Mini-USB port
Locking Power Supply
Surface-mountable
Available in Black or White
®
1080P
7.1
Audio
FAST SWITCHING TECHNOLOGY
Packing List
The 1:4 Splitter for HDMI 4K x 2K ships with the items listed below. If any of these items are
not present in your box when you first open it, immediately contact your dealer or Gefen.
•
•
•
•
1 x 1:4 Splitter for HDMI 4K x 2K
1 x 6 ft. HDMI cable (M-M)
1 x 5V DC locking power supply
1 x Quick-Start Guide
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1:4Splitter forHDMI4Kx2K
Table of Contents
01
Getting Started
Panel Layout ......................................................................................................... 2
Installation ............................................................................................................. 4
Connecting the 1:4 Splitter for HDMI 4K x 2K............................................... 4
Sample Wiring Diagram ................................................................................ 4
02
Operating the
1:4 Splitter for HDMI 4K x 2K
Setting the Switching Mode................................................................................... 8
What is Fast Switching Technology? ............................................................ 8
Using Fast Mode........................................................................................... 8
Using Slow Mode .......................................................................................... 9
Setting the Audio Channel Mode......................................................................... 10
Using 2-Channel Audio ............................................................................... 10
Using Multichannel Audio............................................................................ 11
Setting the EDID Mode........................................................................................ 12
Using the Internal EDID .............................................................................. 12
Using the External EDID ............................................................................. 13
03
Appendix
Wall Mounting Instructions .................................................................................. 16
Firmware Upgrade Procedure............................................................................. 17
Specifications ...................................................................................................... 18
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Splitter for
HDMI with Ultra HD
4K x 2K support
:
14
SOURCE
DISPLAYS
01 Getting Started
Panel Layout ......................................................................................................... 2
Installation ............................................................................................................. 4
Connecting the 1:4 Splitter for HDMI 4K x 2K............................................... 4
Sample Wiring Diagram ................................................................................ 4
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Getting Started
Panel Layout
(Black finish shown)
1
2
3
4
5
8
6
7
page | 2
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Getting Started
Panel Layout
ID
1
Name
Description
Out 1 - Out 4
Connect an Ultra HD display to each of
these ports using HDMI cables.
2
FST (Fast / Slow)
Use this slider switcher to switch between
Fast and Slow FST (Fast Switching
Switching Mode for more information on
using FST mode.
3
4
Audio (2ch / Multi-ch)
EDID (Int / Ext)
Use this slider switcher to switch between
2CH and Multichannel audio on the output.
more information on using this feature.
Use this slider switch to switch between
internal (Int) and external (Ext) EDID
more information.
5
6
In
Connect the included HDMI cable from the
Ultra Hi-Def source to this HDMI port.
USB
Used for upgrading the firmware.
information.
7
8
5V DC
Power
Connect the included 5V DC power supply to
this locking power receptacle.
This LED indicator will glow bright blue
when the included 5V DC power supply
is connected between the splitter and an
available electrical outlet.
page | 3
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Getting Started
Installation
Connecting the 1:4 Splitter for HDMI 4K x 2K
1. Use the included HDMI cable to connect the Ultra Hi-Def source to the In port on the
splitter.
2. Connect up to four Ultra Hi-Def displays to the Out (1 - 4) ports on the splitter.
3. Connect the included 5V DC locking power supply to the power receptacle on the
splitter. Do not overtighten the locking power connector.
4. Connect the included AC power cord from the power supply to an available electrical
outlet.
Sample Wiring Diagram
Gefen
HDMI CABLE
Ultra HD
Source
Ultra HD
Display
Ultra HD
Splitter for HDMI
Ultra HD
Display
Ultra HD
Display
Ultra HD
Display
GTB-HD4K2K-144
page | 4
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Splitter for
HDMI with Ultra HD
4K x 2K support
:
14
SOURCE
DISPLAYS
02 Operating the
1:4 Splitter for HDMI 4K x 2K
Setting the Switching Mode................................................................................... 8
What is Fast Switching Technology? ............................................................ 8
Using Fast Mode........................................................................................... 8
Using Slow Mode .......................................................................................... 9
Setting the Audio Channel Mode......................................................................... 10
Using 2-Channel Audio ............................................................................... 10
Using Multichannel Audio............................................................................ 11
Setting the EDID Mode........................................................................................ 12
Using the Internal EDID .............................................................................. 12
Using the External EDID ............................................................................. 13
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Operating the 1:4 Splitter for HDMI 4K x 2K
Setting the Switching Mode
FAST SWITCHING TECHNOLOGY
What is Fast Switching Technology?
Fast Switching Technology (FST) is a Gefen software implementation for HDMI products.
FST was created to improve the lengthy HDMI authentication process, based on the HDMI
and HDCP specifications.
FST provides quicker audio/video source switching and greatly improves the overall audio/
video system behavior and performance when more than one HDTV display is used in the
system setup.
FST allows connecting / disconnecting or turning ON / OFF of HDTV displays without
having these activities affect other Hi-Def sources routed to any other HDTV display in the
same system.
Using Fast Mode
Use fast switching mode to improve performance when connecting / disconnecting Hi-Def
sources, and powering ON / OFF HDTV displays.
1. Disconnect the power supply from the 1:4 Splitter for HDMI 4K x 2K.
2. Set the FST switch to the Fast position.
Set to the
Fast position
3. Reconnect the power supply to the splitter.
If the FST switch is moved from the Slow position to the Fast position while the
splitter is powered, then power-cycle the splitter by disconnecting and reconnecting
the power supply in order for the change to take effect.
page | 8
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Operating the 1:4 Splitter for HDMI 4K x 2K
Setting the Switching Mode
Using Slow Mode
When set to slow switching mode, the 1:4 Splitter for HDMI 4K x 2K will follow the standard
authentication process, based on the HDMI and HDCP specifications. Slow mode is
recommended when the source does not support multiple devices.
1. Disconnect the power supply from the splitter.
2. Set the FST switch to the Slow position.
Set to the
Slow position
3. Reconnect the power supply to the splitter.
If the FST switch is moved from the Fast position to the Slow position while the
splitter is powered, then power-cycle the splitter by disconnecting and reconnecting
the power supply in order for the change to take effect.
page | 9
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Operating the 1:4 Splitter for HDMI 4K x 2K
Setting the Audio Channel Mode
The 1:4 Splitter for HDMI 4K x 2K features a switch that will switch between 2-channel and
multichannel audio output.
NOTE: In order for the audio channel mode to be selected, the
EDID switch must be set to the Int position. If the EDID switch is
set to the Ext position, then the Audio switch will have no effect
information on using the EDID.
Using 2-Channel Audio
Use this audio mode when all displays (and/or other sink devices) support only 2-channel
LPCM audio.
1. Disconnect the power supply from the splitter.
2. Set the EDID switch to the Int position.
3. Set the Audio switch to the 2ch position.
Set to the 2ch
position
4. Reconnect the power supply to the splitter
If the Audio switch is moved from the Multi-ch position to the 2ch position while the
splitter is powered, then power-cycle the splitter by disconnecting and reconnecting
the power supply in order for the change to take effect.
5. The internal EDID will restrict the audio output to the following format(s), regardless of
the audio input format:
Audio Format
Speaker Allocation
LPCM 2CH
FL / FR
page | 10
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Operating the 1:4 Splitter for HDMI 4K x 2K
Setting the Audio Channel Mode
Using Multichannel Audio
Use this audio mode when the connected displays (and/or other sink devices) are capable
of supporting various audio formats.
1. Disconnect the power supply from the splitter.
2. Set the EDID switch to the Int position.
3. Set the Audio switch to the Multi-ch position.
Set to the
Multi-ch position
4. Reconnect the power supply.
If either the EDID or Audio switch are moved to another position while the splitter is
powered, then power-cycle the splitter by disconnecting and reconnecting the power
supply in order for the changes to take effect.
5. When the Audio switch is set to the Multi-ch position, the following audio output
formats are supported:
Audio Format
Audio Format
LPCM 8-channel
Dolby® Digital Plus
DTS®
LPCM 2CH
Dolby® Digital
Dolby® TrueHD
DTS-HD Master Audio™
MLP (PPCM)
page | 11
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Operating the 1:4 Splitter for HDMI 4K x 2K
Setting the EDID Mode
The 1:4 Splitter for HDMI 4K x 2K features EDID Management. Before the source can
send video and/or audio to the display (sink), the source reads the EDID (Extended Display
Identification Data) from the display (sink) devices connected to the splitter. The EDID
contains information about what type of audio/video data that the source can send to each
output device. The splitter can use either the downstream EDID (from the display/sink) or
the built-in internal EDID.
Using the Internal EDID
Use this EDID mode if problems are encountered when using the external EDID.
The built-in internal EDID provides the source device with a “generic” EDID which can be
used by all display (sink) devices. The use of the internal EDID also provides control
1. Disconnect the power supply from the splitter.
2. Set the EDID switch to the Int position.
Set to the Int
position
3. Reconnect the power supply.
If the EDID switch is moved from the Ext position to the Int position while the splitter
is powered, then power-cycle the splitter by disconnecting and reconnecting the power
supply in order for the change to take effect.
See Table 2.1 on the next page for specifications on the internal EDID.
page | 12
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Operating the 1:4 Splitter for HDMI 4K x 2K
Setting the EDID Mode
Table 2.1 - Internal EDID Specification
Video Data Block
Audio Data Block
Color Profile
640 x 480p 59/60 4:3
720 x 480p 59/60 4:3
720 x 480p 59/60 16:9
1280 x 720p 59/60 16:9
1920 x 1080i 59/60 16:9
1440 x 480i 59/60 4:3
1920 x 1080p 59/60 16:9
720 x 576p 50 4:3
LPCM 2-channel
LPCM 8-channel
Dolby® Digital
xvYCC 709
xvYCC 601
DTS®
Dolby® Digital Plus
Dolby® TrueHD
DTS-HD Master Audio™
MLP (PPCM)
720 x 576p 50 16:9
1280 x 720p 50 16:9
1920 x 1080i 50 16:9
1440 x 576i 50 4:3
1920 x 1080p 50 16:9
1920 x 1080p 23/24 16:9
Using the External EDID
When set to Ext mode, the splitter will fetch the EDID data of each display (or other sink
device) that is connected to the splitter. Once this information is gathered, the splitter
“builds” an EDID based on the highest video resolution and most superior audio format
that is supported by both sink devices. This EDID is then transmitted to the source device.
1. Disconnect the power supply from the splitter.
2. Set the EDID switch to the Int position.
Set to the Ext
position
3. Reconnect the power supply.
If the EDID switch is moved from the Ext position to the Int position while the splitter is
powered, then power-cycle the splitter by disconnecting and reconnecting the power
supply in order for the change to take effect.
page | 13
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Splitter for
HDMI with Ultra HD
4K x 2K support
:
14
SOURCE
DISPLAYS
03 Appendix
Wall Mounting Instructions .................................................................................. 16
Firmware Upgrade Procedure............................................................................. 17
Specifications ...................................................................................................... 18
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Appendix
Wall Mounting Instructions
The 1:4 Splitter for HDMI 4K x 2K should be mounted vertically in a wall or cabinet with
wood/drywall screws as shown in the diagram above. There should be an inch or two of
clearance between the edges of the unit and any walls or vertical surfaces to allow for
enough clearance for insertion and retraction of cables at the HDMI connectors.
For installation on a drywall surface, use a #6 drywall screw. It is recommended when
installing on a drywall surface that studs be used to secure the splitter should undue stress
be applied when connecting and disconnecting HDMI cables.
page | 16
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Appendix
Firmware Upgrade Procedure
The following items are required to update firmware:
•
•
•
•
GefenToolBox 1:4 Splitter for HDMI 4K x 2K
Computer (Mac or PC)
USB-to-Mini-USB cable
Firmware file
1. Download the firmware from the Gefen Web site.
2. Extract the firmware file from the .ZIP file.
3. Power-Off the 1:4 Splitter for HDMI 4K x 2K.
It is unnecessary to disconnect any HDMI cables from the splitter during
the update process.
STOP: The 1:4 Splitter for HDMI 4K x 2K must be POWERED OFF
before connecting the USB cable to the computer.
4. Connect the USB cable between the computer and the 1:4 Splitter for HDMI 4K x 2K.
5. Power-ON the 1:4 Splitter for HDMI 4K x 2K.
6. Once the computer is able to connect to the 1:4 Splitter for HDMI 4K x 2K,
a removable disk icon will be displayed.
7. Drag the .bin file to the removable disk.
8. Disconnect the USB cable from the computer.
9. The firmware update process is complete.
page | 17
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Appendix
Specifications
Supported Formats
Resolutions (max.)
•
•
Ultra HD 4K x 2K (3840 x 2160 @ 30 Hz)
1080p Full HD
Electrical
Maximum Pixel Clock
Power Indicator
FST Switch
•
•
•
•
•
300 MHz
LED, blue
1 x 2-position, slide-type
1 x 2-position, slide-type
1 x 2-position, slide-type
Audio Switch
EDID Switch
Connectors
Video Input
Video Output
USB
•
•
•
•
1 x HDMI, Type A 19-pin, female, locking
4 x HDMI, Type A 19-pin, female, locking
Mini-B
Power
Locking-type
Operational
Power Input
•
•
•
5V DC
Power Consumption
Operating Temperature
10W (max.)
+32 to 104 °F (0 to +40 °C)
Physical
Dimensions (W x H x D)
•
•
3.0” x 9.0“ x 1.0”
(76mm x 228mm x 26mm)
Unit Weight
0.56 lbs (0.26 kg)
page | 18
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Gefen’s got it. ®
20600 Nordhoff St., Chatsworth CA 91311
1-800-545-6900 818-772-9100 fax: 818-772-9120
Pb
This product uses UL or CE listed power supplies.
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