Gefen EXT-HDMI-442 Manuale utente

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

[email protected]

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

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

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

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

PANEL DESCRIPTIONS

Connects to

5VDC power

supply

IR eye

Indicates which

input is selected

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.

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

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.

Remote Channel 1:

Remote Channel 2:

Remote Channel 3:

Remote Channel 4:

Remote

4x2 HDMI Internal Switches

Remote Channel 1:

Default

Remote Channel 4:

12345678

Remote Channel 3:

12345678

Remote Channel 2:

12345678

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