4x4 HDTV
Matrix
USER MANUAL
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TABLE OF CONTENTS
1
Introduction / Operation Notes
2
Features
3
Panel Layout
4
Using the 4x4 HDTV Matrix
RMT16-IR Installation
Dip Switch Guidelines
IR Codes
5
6
7
8
RS-232 Interface
4x4 HDTV Matrix Rack Mount Diagram
Specifications
9
10
11
12
Terminology
Warranty
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INTRODUCTION
Thank you for purchasing the 4x4 HDTV Matrix.
The 4x4 HDTV Matrix switches four HDTV sources to any four DVI displays.
The 4x4 HDTV Matrix switcher has four DVI inputs and four DVI outputs. Matrix input #1
and the DVI port of HDTV source #1 connects using a male to male DVI cable. The DVI
port of HDTV source #2 connects to DVI input #2. The DVI port of HDTV source #3
connects to DVI input #3. The DVI port of HDTV source #4 connects to DVI input #4. There
are four (4) DVI outputs connecting to four (4) different displays.
Note: The switching is done by using either the the RMT-16-IR remote control or through
the RS232 port. The 4x4 HDTV Matrix is rack mountable.
OPERATION NOTES
READ THESE NOTES BEFORE INSTALLING
OR OPERATING THE 4X4 HDTV MATRIX
• The 4x4 HDTV Matrix is housed in a metal box for better RF shielding.
• The 4x4 HDTV Matrix works with all DVI and HDMI displays.
• The 4x4 HDTV Matrix supports both AUDIO and VIDEO signals.
• The 4x4 HDTV Matrix is fully HDCP compliant.
1
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FEATURES
Features
• Allows any HDTV display to view any source at any time
• Allows any source to be displayed on multiple displays at the same time
• Maintains resolutions up to 1080p, 2K, and 1920x1200
• Maintains highest HDTV single link video resolution
• Maintains highest HDTV digital audio signal
• Supports HDCP compliant devices
• DVI or HDMI to DVI cables are used to connect the inputs and outputs of the matrix
• Each display's inputs can be switched with the IR remote control or through RS232
Includes:
(1) 4x4 HDTV Matrix
(4) DVI 6ft Male to Male Cables
(1) 24VDC Power Supply
(1) User Manual
(1) RMT-16IR Remote Control
(1) Rack Ears
2
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PANEL LAYOUT
3
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USING THE 4X4 HDTV MATRIX
1
Connect all the sources to the DVI inputs on the 4x4 HDTV Matrix, using the
supplied cables.
2
3
4
Connect the HDMI/DVI displays to the outputs on the 4x4 HDTV Matrix.
Connect the 24VDC powersupply to the 4x4 HDTV Matrix
Controlling the 4x4 HDTV Matrix using the RMT16-IR:
Pressing Buttons...
Switches...
1-4
5-8
Display 1 to view Source 1, 2, 3, or 4
Display 2 to view Source 1, 2, 3, or 4
Display 3 to view Source 1, 2, 3, or 4
Display 4 to view Source 1, 2, 3, or 4
9-12
13-16
*Note for computers connected to the HDTV Matrix - When your computer
boots up, it looks for an EDID (extended display identification data) from the dis-
play to tell it what monitor is connected and what resolution to output. During boot
up of the computer you should have ONLY one output selected to one input at a
time so that the computer gets the EDID of the display that is selected. If you have
multiple outputs selected to one computer, the computer will read the EDID of the
last output selected to it. If all your displays are the same, or all displays are ca-
pable of running at the same resolution then this step does not matter.
You can also use a DVI Detective to illiminate the need to have that matrix selected
to the computer during bootup.
4
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RMT16-IR INSTALLATION
1. Remove battery cover from the back of the RMT16-IR remote.
2. Verify that dip switches 1 & 2 are in the down (OFF) position.
3. Insert the battery, hold the battery so that you can see the positive side facing up. The
side that is not marked must be facing down.
4. Test the RMT16-IR remote by pressing ONLY one button at a time. The indicator light
on the remote will flash once each time you press a button. WARNING: Do not press
multiple buttons simultaneously and do NOT press buttons rapidly. These actions will
cause the remote to reset and steps 1-4 will have to be repeated.
Note: The RMT16-IR ships with two batteries. One battery is required for operation, the
second battery is complimentary.
5
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DIP SWITCH GUIDELINES
Inside the 4x4 HDTV Matrix is a bank of Dip Switches. Below is a table describing their
functions. By default, all switches are set to the Off position.
Dip Switch #
Name
Description
1
2
Switching Delay
On Board EDID
Adds a 3 second delay to switching
Feeds a Generic HDMI EDID (720p/1080i)
to all Inputs
3
4
5
6
7
8
IR Code Dip Switch
IR Code Dip Switch
Unused
Corresponds to Dip Switch 1 on RMT16-IR
Corresponds to Dip Switch 2 on RMT16-IR
Unused
Unused
Edge Select
+Edge Pixels
1
3
5
7
2
4
6
8
How to open the 4x4 HDTV Matrix:
To access the dip switches, first remove the 18 hex nuts on the back of the unit (16
located above each DVI port and 2 adjacent to the RS232 port). Remove the 5 Philips
screws under the unit and the 4 screws on each side of the unit. Now carefully remove
the cover of the 4x4 HDTV Matrix.
6
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IR CODES
In the event of IR conflicts, please do the following:
1. Remove the battery cover from the back of the RMT16-IR remote.
2. Locate the Dip Switches above the batteries
3. Switch the Dip Switches on the RMT16-IR to any of the combinations pictured below.
4. Dip Switches 1 and 2 in the RMT16-IR correspond with Dip Switches 3 and 4 inside
the 4x4 HDTV Matrix respectively. Switch the switches inside the 4x4 HDTV Matrix to
match the same Remote Channel as the RMT16-IR. The 4x4 HDTV Matrix is now set
to a new IR Code.
Remote Channel 1:
Remote Channel 3:
Remote Channel 0:
Remote Channel 2:
1
2
1
1
2
2
1
2
7
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RS-232 INTERFACE
Binary Table
ASCII Corresponding
RMT16-IR
Binary
ASCII Corresponding
Binary
RMT16-IR
Button
Button
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
0011 0001
0011 0010
0011 0011
0011 0100
0011 0101
0011 0110
0011 0111
0011 1000
9
a
b
c
d
e
f
9
0011 1001
0110 0001
0110 0010
0110 0011
0110 0100
0110 0101
0110 0110
0110 0111
10
11
12
13
14
15
16
g
RS232 Settings
Bits per second ...................................................................................................... 19200
Data bits ......................................................................................................................... 8
Parity ....................................................................................................................... None
Stop bits ..........................................................................................................................1
Flow Control ............................................................................................................ None
8
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4x4 HDTV MATRIX RACK MOUNT DIAGRAM
9
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SPECIFICATIONS
Video Amplifier Bandwidth ................................................................................ 1.65 Gbps
Input Video Signal ......................................................................................... 1.2 volts p-p
Input DDC Signal .................................................................................... 5 volts p-p (TTL)
DVI Connector.................................................................DVI-I 29 pin female (digital only
Single Link Range .............................................................................1080p / 1920 x 1200
Remote Control Port ............................................................ RS-232 Female, Mini-Stereo
Power Consumption .................................................................................. 60 watts (max)
Power Supply ....................................................................................................... 24V DC
Dimensions ............................................................................ 17” W x 1.75” H x 5.875” D
Shipping Weight ..................................................................................................... 10 lbs.
10
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TERMINOLOGY
DDC
Short form for Display Data Channel. It is a VESA standard for communication between
a monitor and a video adapter. Using DDC, a monitor can inform the video card about its
properties, such as maximum resolution and color depth. The video card can then use
this information to ensure that the user is presented with valid options for configuring the
display.
DDWG
Digital Display Working Group DDWG are the creators of the DVI specification.
DVI
Digital Visual Interface. Connection standard developed by Intel for connecting computers
to digital monitors such as flat panels and DLP projectors. Aconsumer electronics version,
not necessarily compatible with the PC version, is used as a connection standard for HDTV
tuners and displays. Transmits an uncompressed digital signal to the display. The latter
version uses HDCP copy protection to prevent unauthorized copying.
HDCP
High-Bandwidth Digital Content Protection. Created by Intel, HDCP is used with HDTV
signals over DVI and HDMI connections and on D-Theater D-VHS recordings to prevent
unauthorized duplication of copy written material.
HDMI
The High-Definition Multi-media Interface (HDMI) is an industry-supported, uncompressed,
all-digital audio/video interface. HDMI provides an interface between any compatible digital
audio/video source, such as a set-top box, DVD player, andA/V receiver and a compatible
digital audio and/or video monitor, such as a digital television (DTV).
HDTV
High-Definition Television. The high-resolution subset of our DTV system. TheATSC defines
HDTV as a 16:9 image with twice the horizontal and vertical resolution of our existing system,
accompanied by 5.1 channels of Dolby Digital audio. The CEA defines HDTV as an image
with 720 progressive or 1080 interlaced active (top to bottom) scan lines. 1280:720p and
1920:1080i are typically accepted as high-definition scan rates.
RS-232
Recommended Standard 232. This is the de facto standard for communication through PC
serial ports. It can refer to cables and ports that support the RS232 standard.
VESA
Video Electronic StandardsAssociation, a consortium of manufacturers formed to establish
and maintain industry wide standards for video cards and monitors. VESAwas instrumental
in the introduction of the Super VGA and Extended VGA video graphics standards with
a refresh rate of 70 Hz, minimizing flicker and helping to reduce user eyestrain and
fatigue.
11
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WARRANTY
Gefen Inc. warrants the equipment it manufactures to be free from defects in material and
workmanship.
If equipment fails because of such defects and Gefen Inc. is notified within two (2) year
from the date of shipment, Gefen Inc. 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 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 cable must be free from any
scratches, markings, and neatly coiled.
The information in this manual has been carefully checked and is believed to be
accurate. However, Gefen Inc. assumes no responsibility for any inaccuracies that may
be contained in this manual. In no event will Gefen Inc., 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 4x4 HDTV Matrix features and specifications is
subject to change without notice.
12
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