
ASKING FOR ASSISTANCE
Technical Support:
Telephone (818) 884-6294
(800) 545-6900
Fax (818) 884-3108
Technical Support Hours:
9:00 AM to 5:00 PM Monday thru Friday.
Write To:
Gefen Inc.
C/O Customer Service
6265 Variel Ave.
Woodland Hills, CA 91367-9897
Gefen Inc. reserves the right to make changes in the hard ware, packaging and any
accompanying doc u men ta tion without prior written notice.
4x1 HDMI Switcher is a trademark of Gefen Inc.
© 2005 Gefen Inc., All Rights Reserved
Notice
HDMI is a trademark of hdmi.org

TABLE OF CONTENTS
Introduction
1
Features
2
Panel Descriptions
3
Connecting and Operating the 4x1 HDMI Switcher
4
RMT4-IR Installation
5
RS-232 Interface
6
Specifi cations
7
Warranty
8

INTRODUCTION
Congratulations on your purchase of the ex•tend•it 4x1 HDMI Switcher. Your complete
satisfaction is very important to us.
Gefen’s line of HDTV switches, extenders, and splitters are designed to make your A/V
equipment use more comfortable, more productive and less expensive.
The 4x1 HDMI Switcher allows access to four HDTV devices, using one HDTV display.
The ex•tend•it line offers solutions for Home Theater, AV installation, data center, infor-
mation distribution, conference room presentation, school and corporate training environments.
Our Commitment
Gefen will always offer the fi nest 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 4x1 HDMI Switcher allows four HDTV HDMI devices to be switched eas-
ily in to one HDTV HDMI compatible monitor or projector. Simply connect your HDTV
display to the Switcher’s display output. The 4x1 HDMI Switcher can also be placed at
the end of a long HDMI cable to regenerate the HDMI signal.
1