Gefen ex tend it4x2 HDMI Switcher Manuale utente
4x2 HDMI
Switcher
USER MANUAL
www.gefen.com
Technical Support:
Telephone (818) 884-6294
(800) 545-6900
Fax (818) 884-3108
Technical Support Hours:
8:00 AM to 5:00 PM Monday thru Friday.
Write To:
Gefen Inc.
C/O Customer Service
6265 Variel Ave.
Woodland Hills, CA91367-9897
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
RS-232 Interface
Specifications
Warranty
1
2
3
4
5
6
7
8
9
Congratulations on your purchase of the ex•tend•it 4x2 HDMI Switcher. Your complete
satisfaction 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 ex•tend•it line offers solutions for Home Theater, AV installation, data center, infor-
mation distribution, conference room presentation, school and corporate training envi-
ronments.
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 ex•tend•it 4x2 HDMI Switcher allows four HDTV HDMI devices to be switched eas-
ily 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 enable the SPDIF on the 4x2 HDMI Switcher
The SPDIF audio is only enabled if you are using an HDMI source and an HDMI display,
otherwise the source goes into DVI mode by reading the DVI display EDID. If you are
using a DVI display you will have to open the switcher box to access the dip switches
and flip dip switch #2 (refer to page 6) to enable the SPDIF audio out. If you are using
both an HDMI and DVI display, make sure you have the HDMI display on
output 1 in order to enable the SPDIF audio out.
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
Inside the 4X2 HDMI Switcher 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 Switching Delay Adds a 3 second delay to switching
2 On Board EDID Feeds a Generic HDMI EDID to all Inputs
3 IR Code Dip Switch Corresponds to Dip Switch 1 on RMT16-IR
4 IR Code Dip Switch Corresponds to Dip Switch 2 on RMT16-IR
5 Unused
6 Unused
7 Unused
8 Edge Select +Edge Pixels
How to open the 4x2 HDMI Switcher:
To access the dip switches, first remove the 2 hex nuts on the back of the unit (2 for
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 4x2 HDMI Switcher.
2345678
1
RS-232 INTERFACE
6
Binary Table
ASCII Input Binary
1 1 0011 0001
2 2 0011 0010
3 3 0011 0011
4 4 0011 0100
Terminal Settings
Bits per second ...................................................................................................... 19200
Data bits ......................................................................................................................... 8
Parity ....................................................................................................................... None
Stop bits ..........................................................................................................................1
Flow Control ............................................................................................................ None
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