Gefen HD-441A User manual

4x1 HD Digital Audio
Switcher
USER MANUAL
www.gefen.com

Technical Support:
Telephone [phone]
[phone]
Fax [phone]
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 -- [email protected]
Notice
Gefen Inc. reserves the right to make changes in the hardware, packaging and any
accompanying documentation without prior written notice.
4x1 HD Digital Audio Switcher is a trademark of Gefen Inc.
© 2007 Gefen Inc., All Rights Reserved
ASKING FOR ASSISTANCE

TABLE OF CONTENTS
Introduction
Features
Panel Descriptions
Connecting and Operating the 4x1 HD Digital Audio Switcher
RMT4-IR Installation
Specifications
Warranty
1
2
3
4
5
6
7

Congratulations on your purchase of the ex•tend•it 4x1 HD Digital Audio 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 4x1 HD Digital Audio Switcher allow access to multiple HDTV devices, using a
single HDTV display while the HDTV extender product line can extend the HD video
signal up to 1640 feet (500 meters).
The ex•tend•it line offers solutions for noise, space and security concerns, data center
control, information distribution, conference room presentation, school and corporate
training environments.
Our Commitment
Gefen will always offer the finest quality product at the best possible price. Included in
that price is a lifetime of support from a team of outstanding engineers.
The ex•tend•it 4x1 HD Digital Audio Switcher allows two HDTV HD devices to be
switched easily in to one HDTV HD compatible monitor or projector. Simply connect
your HDTV display to the Switcher’s display output and your digital audio to the digital
out. The 4x1 HD Digital Audio Switcher can also be placed at the end of a long HDMI
cable to regenerate the HD signal.
INTRODUCTION
1

FEATURES
Features
• Switches easily between any four (4) HDTV sources
• Maintains 480i, 480p, 720p, 720i, and 1080i, 1080p resolutions
• Extends any HDMI compliant device by regenerating the HDMI signal
• Maintains highest HDMI single link video resolution
• Supports DDWG standard for HDMI compliant monitors
• Supports HDCP compliant devices
• Optional RMT-4wired remote control
• HDMI cables are used to connect the HDMI inputs and 4x1 HD Digital Audio Switcher
output
• TOSLINK cables are used to connect the TOSLINK inputs and 4x1 TOSLINK Digital
Audio Switcher output
• Installs in seconds
Includes:
(1) 4x1 HD Digital Audio Switcher
(4) 6’ HDMI cables (M-M)
(4) 6’ TOSlink cables
(1) 5VDC Power Supply
(1) RMT4-IR
2

PANEL DESCRIPTIONS
Connects to
5VDC power supply
Connects to IR
extender IR eye
Indicates if port 1 or
port 2 is selected Selects port 1
or port 2
3
Input 2
Input 1 HD Out
SPDIF Out
Optical Out
SPDIF 1
SPDIF 2
OPT 2
OPT 1

How to Connect the 4x1 HD Digital Audio Switcher to your devices
1 Connect the supplied HDMI cables from the HDTV HD sources into the 4x1 HD Digital
Audio Switcher inputs.
2Connect the digital audio cables from your devices into the 4x1 HD DigitalAudio
Switcher inputs. Make sure the digital audio matches the digital video input.
3Connect the cable from your display (monitor or projector) into the HD Out of the
4x1 HD Digital Audio Switcher.
4 Connect your digital audio receiver to the 4x1 HD DigitalAudio Switcher output.
5 Plug the 5VDC power supply into the 4x1 HD Digital Audio Switcher.
How to Operate the 4x1 HD Digital Audio Switcher
1 Use the front panel push button to switch between sources.
2 Alternatively, use the RMT4-IR remote control port to remotely toggle between sources.
4
CONNECTING AND OPERATING THE 4X1 HD DIGITAL AUDIO SWITCHER

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.
5
The optional IR extender allows you to
relocate your 4x1 HD Digital Audio Switcher
and still have IR control of the 4x1 HD Digi-
tal Audio Switcher

SPECIFICATIONS
6
Video Amplifier Bandwidth ................................................................................. 1.65 GHz
Input Video Signal ......................................................................................... 1.2 volts p-p
Input DDC Signal .................................................................................... 5 volts p-p (TTL)
Single Link Range ......................................................................................... 1920 x 1200
HD Input/Output Connector Type ............................................................................ HDMI
Power Consumption ................................................................................. 15 Watts (max.)
Power Supply ............................................................................................................ 5VDC
Dimensions ............................................................................ 4.75”D x 11.125”W x 1.25”H
Shipping Weight ....................................................................................................... 2 Lbs

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 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 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 2x1 HD Digital Audio Switcher features and
specifications is subject to change without notice.
WARRANTY
7