Gefen HD-441AA User manual

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

Technical Support:
Telephone [phone]
800- 545-6900
Fax [phone]
Technical Support Hours: 8:00 AM to 5:00 PM Monday thru Friday.
Write To:
Gefen Inc.
c/o Customer Service
20600 Nordhoff Street
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 Analog Audio Switcher is a trademark of Gefen Inc.
© 2006 Gefen Inc., All Rights Reserved
ASKING FOR ASSISTANCE

TABLE OF CONTENTS
Introduction
Features
Panel Descriptions
Connecting and Operating the 4x1 HD Analog Audio Switcher
RMT4-IR Installation
RS232 Interface
Specifications
Warranty
1
2
3
4
5
6
7
8

Congratulations on your purchase of the ex•tend•it 4x1 HD Analog 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 Analog Audio Switcher allow access to multiple HDTV devices, using a
single HDTV display while the HDTV extender product line can extend the HDTV 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 Analog Audio Switcher allows four HDTV devices and analog
audio to be switched easily in to one HDTV compatible monitor or projector and analog
receiver. Simply connect your HDTV display to the Switcher’s display output and your
analog audio to the analog out. The 4x1 HDAnalogAudio Switcher can also be placed
at the end of a long DVI cable to regenerate the HDTV signal.
INTRODUCTION
1

FEATURES
Features
• Switches easily between any four HDTV sources
• Switches easily between any four analog audio sources
• Maintains 480i, 480p, 720p, 720i, 1080i, and 1080p resolutions
• No loss of audio quality
• Extends any DVI compliant device by regenerating the DVI signal
• Maintains highest DVI single link video resolution
• Supports DDWG standard for DVI compliant monitors
• Supports HDCP compliant devices
• Optional RMT-4 remote control
• DVI cables are used to connect the DVI inputs and 4x1 HD Analog Audio Switcher
output
• Installs in seconds
Includes:
4x1 HD Analog Audio Switcher
4x 6’ HDMI cables (m-m)
4x Mini Din Stereo to RCA cable
5VDC Power Supply
RMT4-IR
User's Manual
2

PANEL DESCRIPTIONS
5VDC power
supply
Connects to IR
extender
IR eye
Input Indicator
LEDs
3
HD in 2HD in 1
DVI Out
RCAAudio
Out Contact Closure
Control
HD in 4HD in 3
Audio In 1 Audio In 2 Audio In 3 Audio In 4 RS232
Interface

Connecting and Operating the 4x1 HD Analog Audio Switcher
How to Connect the 4x1 HD Analog Audio Switcher to your devices
1Connect the supplied HDMI cables from the HDTV sources into the HD Switcher HD
inputs. Connect the supplied Mini Din Stereo to RCA cables from the Analog Audio
sources into the
HD Switcher Audio inputs.
2Connect the DVI cable from your display (monitor or projector) into the “HD Out” of
the HDTV Switcher.
3Connect an RCA cable from the “Output” into your audio reciever or display.
4 Plug the 5VDC power supply into the 4x1 HD Analog Audio Switcher.
How to Operate the 4x1 HD Analog Audio Switcher
1 Use the RMT4-IR remote control port to remotely toggle between sources.
4

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 re-
locate your 4x1 HD Analog Audio Switcher
and still have IR control of the 4x1 HD Ana-
log Audio Switcher

RS-232 Interface
6
Binary Table
Input Binary
1 0011 0001
2 0011 0010
3 0011 0011
4 0011 0100
Terminal Settings
Bits per second ...................................................................................................... 19200
Data bits ......................................................................................................................... 8
Parity ....................................................................................................................... None
Stop bits ..........................................................................................................................1
Flow Control ............................................................................................................ None

SPECIFICATIONS
7
Video Amplifier Bandwidth ................................................................................ 1.65 Gbps
Input Video Signal ......................................................................................... 1.2 volts p-p
Input DDC Signal .................................................................................... 5 volts p-p (TTL)
Single Link Range ......................................................................................... 1920 x 1200
Video Output Connector Type ...................................... DVI-I 29 pin Female (digital only)
Video Input Connector Type .................................................. HDMI type A 19 pin Female
Audio Sample Rate .................................................................... 5kHz(min) - 48kHz(max)
Audio Frequency Response......................................................................... 20Hz - 20kHz
Audio Interface ................................................................................................ RCAAudio
Power Consumption ................................................................................. 10 Watts (max)
Power Supply ......................................................................................................... 5V DC
Dimensions ........................................................................... 5.125”D x 11.25”W x 1.25”H
Shipping Weight ....................................................................................................... 7 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 one
(1) 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.
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 4x1 HD Analog Audio Switcher features and
specifications is subject to change without notice.
WARRANTY
8