Gefen EXT-HDMI-442 Manuel utilisateur
4x2 HDMI
Switcher
USER MANUAL
www.gefen.com
Technical Support:
Telephone (818) 772-9100
(800) 545-6900
Fax (818) 772-9120
Technical Support Hours:
8:00 AM to 5:00 PM Monday through Friday.
Write To:
Gefen Inc.
C/O Customer Service
20600 Nordhoff St.
Chatsworth, CA 91311
www.gefen.com
Notice
Gefen Inc. reserves the right to make changes in the hardware, packaging and any
accompanying documentation without prior written notice.
4x2 HDMI Switcher is a trademark of Gefen Inc.
HDMI is a trademark of hdmi.org
© 2007 Gefen Inc., All Rights Reserved
ASKING FOR ASSISTANCE
TABLE OF CONTENTS
Introduction
Features
Panel Descriptions
Connecting and Operating the 4x2 HDMI Switcher
RMT4-IR Installation
Dip Switch Guidelines
IR Code Conflicts
RS-232 Interface
Specifications
Warranty
1
2
3
4
5
6
7
8
9
10
Congratulations on your purchase of the Gefen 4x2 HDMI Switcher. Your complete sat-
isfaction is very important to us.
Gefen’s line of HDTV switches, extenders, and splitters are designed to make yourA/V
equipment use more comfortable, more productive and less expensive.
The 4x2 HDMI Switcher allows access to four HDTV devices, using two HDTV displays.
Both output displays will have mirrored images. Also included is a SPDIF output that
will output the digital audio signal in audio form.
The Gefen line offers solutions for Home Theater, A/V installation, data center, informa-
tion distribution, conference room presentation, school and corporate training environ-
ments.
Our Commitment
Gefen will always offer the finest quality product at the best possible price. Included in
that price is a lifetime support from a team of outstanding engineers.
The Gefen 4x2 HDMI Switcher allows four HDTV HDMI devices to be switched easily
in to two HDTV HDMI compatible monitors or projectors. Simply connect your HDTV
displays to the Switcher’s display outputs. The 4x2 HDMI Switcher can also be placed
at the end of a long HDMI cable to regenerate the HDMI signal.
INTRODUCTION
1
FEATURES
Features
• Switches easily between any four HDMI sources
• Maintains 480i, 480p, 720p, 720i, and 1080i, 1080p resolutions
• Maintains highest HDMI single link video resolution
• Maintains highest HDMI digital audio signal
• Includes SPDIF output for easy hookup to digital audio systems
• Supports HDCP compliant devices
• HDMI or DVI to HDMI cables are used to connect the inputs and switcher output
• Inputs can be switched with the IR remote control, contact closure controller or
through the RS232 connector.
• Installs in seconds
Includes:
(1) 4x2 HDMI Switcher
(4) 6’ HDMI cables (M-M)
(1) 5VDC Power Supply
(1) RMT4-IR
(1) Users Manual
2
PANEL DESCRIPTIONS
Connects to
5VDC power
supply
IR eye
Indicates which
input is selected
3
RS232
Controller Port
HDMI
In 1 HDMI
In 2
IR Extender
Port
SPDIF Out
HDMI
In 3 HDMI
In 4 HDMI
Out 1 HDMI
Out 2
Power LED
CONNECTING AND OPERATING THE 4x2 HDMI SWITCHER
How to Connect the 4x2 HDMI Switcher to your devices
1 Connect the supplied cables from the HDTV HDMI sources into the 4x2 HDMI Switcher
inputs.
2Connect the cables from your displays (monitor or projector) into the HDMI outs of the
4x2 HDMI Switcher.
3 Connect any Digital Audio System into the SPDIF OUT of the 4x2 HDMI Switcher
4 Plug the 5VDC power supply into the 4x2 HDMI Switcher.
How to Control the 4x2 HDMI Switcher
Use the RMT4-IR remote control to toggle between sources.
4
5
RMT4-IR INSTALLATION
1. Remove battery cover from the back of the RMT4-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 RMT4-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 RMT4-IR ships with two batteries. One battery is required for operation, the
second battery is complimentary.
The optional IR extender allows you to
relocate your HDMI Switcher and still have
IR control of the HDMI Switcher
6
DIP SWITCH GUIDELINES
Extended display identification data (EDID) is a data structure provided by a display to
describe its capabilities to any source that asks for it. The EDID includes manufacturer
name, product type, timings supported by the display, display size, luminance data, (for
digital displays only) pixel mapping data, supported audio channels and formats. This
information is used by the source to cater its output to resolutions and audio formats
that are supported by the display.
Additional EDID modes are available and configured using a combination of dip
switches 1, 2, and 5. Please refer below for the different EDID modes.
To access the Dip Switches, remove all screws from the bottom and sides of the
Gefen unit. Remove the hex screw heads from each side of the RS-232 port. Carefully
slide the unit apart. The 8 Bank of Dip Switches are located on the main PCB. Once
adjustments are complete, slide the unit back together and replace all removed screws.
EDID Mode 0 (Switch 1=OFF Switch2=OFF Switch5=ON)
-EDID is copied from the first HDMI port
EDID Mode 1 (Switch 1=ON Switch2=OFF Switch5=ON)
-Same as Mode 0 and adds basic audio support
EDID Mode 2 (Switch 1=OFF Switch2=ON Switch5=ON)
-Same as Mode 0 and adds full audio support
EDID Mode 3 (Switch 1=ON Switch2=ON Switch5=OFF)
-EDID is generated based on the common video and audio features of all of the
connected devices
EDID Mode 4 (Switch 1=OFF Switch2=ON Switch5=OFF)
-Same as Mode 3 and adds basic audio support
EDID Mode 5 (Switch 1=ON Switch2=OFF Switch5=OFF)
-Same as Mode 3 and adds full audio support
EDID Mode 6 (Switch 1=OFF Switch2=OFF Switch5=OFF) DEFAULT
-EDID is generated based on the common video features of all of the connected
devices and the combined audio features of all of the connected devices
DIP SWITCH
EDID GUIDE
IR CODE CONFLICTS
How to Resolve IR Code Conflicts
There are matching pairs of dip switches underneath the Switcher unit and under the
remote battery cover. Switch 1 & 2 on the Remote and Switch 3 & 4 inside the unit (page
6) are the matching switches. These switches need to be matched for the remote to
communicate with the switcher. There are 4 possible sets of IR codes and at least one of
these sets should be able to resolve any IR conflicts with other home theater devices.
12
Remote Channel 1:
12
Remote Channel 2:
12
Remote Channel 3:
12
Remote Channel 4:
Remote
7
4x2 HDMI Internal Switches
Remote Channel 1:
Default
Remote Channel 4:
12345678
Remote Channel 3:
12345678
Remote Channel 2:
12345678
12345678
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