Gefen EXT-DVI-EDIDP Manuel utilisateur

DVI

Detective

Plus

EXT-DVI-EDIDP

User Manual

Technical Support:

Telephone (818) 772-9100

(800) 545-6900

Fax (818) 772-9120

Technical Support Hours:

8:00 AM to 5:00 PM Monday thru Friday.

Write To:

Gefen Inc.

C/O Customer Service

20600 Nordhoff St.

Chatsworth, CA 91311

[email protected]

www.gefen.com

Notice

Gefen Inc. reserves the right to make changes in the

hardware, packaging and any accompanying documentation

without prior written notice.

The DVI Detective Plus is a trademark of Gefen Inc.

All trademarks are the property of their respective companies.

ASKING FOR ASSISTANCE

Rev A3

TABLE OF CONTENTS

1 Introduction

2 Features

3 Panel Layout

4 Connecting and Operating the DVI Detective Plus

5 Connecting and Operating the DVI Detective Plus

6 Using a Pre-Programmed EDID

9 Pre-Programmed EDID Diagram

10 Write Protecting the DVI Detective Plus

11 Speciﬁcations

12 Warranty

INTRODUCTION

Computers and HDTV video source devices

can sometimes lose the EDID -- the electronic

identiﬁcation of a display which lists its possible

resolutions and frequencies. When displays

are switched away or disconnected and then

reconnected, the EDID can be lost and the computer

or HD video source device can lose the ability to

display the image properly. The DVI Detective Plus

captures a display device’s EDID and stores it.

How It Works

Simply program the DVI Detective Plus for

the display that you will use by performing a

programming step while having the device connected

to the display and a power adapter. Next put it into

place on the video output of your video source

and restart your equipment. When all sources and

displays are powered on, seamless functioning of

video source and display equipment will commence.

External buttons make EDID programming and

settings operations a breeze -- formerly, some

operations could require opening the unit.

FEATURES

Features

• Store EDID information for displays

• Supports resolutions up to 1920x1200, 2K, and

3840x2400 (Dual Link)

• Keeps computer systems from deactivating

inactive DVI ports

• Can eliminate CAT-5 lines used to carry DDC

signals when extending computer video

• Passes HDCP copy-protection protocols for

full HDTV, using an HDMI to DVI adapter (not

included)

• No power required after initial programming

Includes:

(1) DVI Detective Plus

(1) 1’ DVI cable (m-m)

(1) 5V DC Power Supply

(1) User’s Manual

Note: the supplied DVI-D cable does not support

analog VGA.

PANEL LAYOUT

Front Panel

Back Panel

Write

Protection

Switch

EDID &

HDCP

Switches

DVI

Out

Power

LED

Indicator

Programming

Button

DVI

Back

Front

CONNECTING AND OPERATING

THE DVI DETECTIVE PLUS

1. Before proceeding, please ensure that the

write protect switch is in the E (write enabled)

position and all SETTING DIP SWITCHES

are in the OFF (down) position Please see the

diagram on the page 8.

2. Connect the display to the DVI Out port on

the DVI Detective Plus. Turn on the display to

ensure that an EDID is being transmitted.

3. Plug the supplied 5V DC power supply into the

DVI Detective Plus. The power LED should

be glowing either solid RED (an EDID is not

programmed) or solid GREEN (an EDID is

properly programmed).

4. Once you are ready to program the EDID,

press and hold the Program button on the front

panel of the DVI Detective Plus until the unit’s

LED begins to rapidly ﬂash green. Once the

recording sequence is initiated, release the

button and wait until the LED glows a solid

green color. A successful EDID programming

sequence is indicated with a green LED while

an unsuccessful EDID record is indicated with

a red LED.

NOTE: If the unit does not initiate the recording

sequence (indicated by a ﬂashing green LED),

please unplug the display and 5V DC power supply

from the unit and repeat steps 2 and 3. If a solid red

LED is indicated after several unsuccessful recording

attempts, it is possible that the EDID recorded from

the display is bad. Please refer to the section, USING

A PRE-PROGRAMMED EDID on page 6 and 7 for

instructions on how to use one of the built in EDIDs.

CONNECTING AND OPERATING

THE DVI DETECTIVE PLUS

5. Once a successful EDID record is complete,

remove the 5V DC power supply from the DVI

Detective Plus. At this time, it is recommended

that you write protect the DVI Detective Plus

to prevent an accidental overwrite. Please see

page 9 for instructions on this procedure.

6. If HDCP is required by the source, the display

must also be HDCP compliant and DIP

SWITCH 4 will have to be enabled for HDCP

pass through to function. Please refer to

your source and display manuals for HDCP

compatibility and enable DIP SWITCH 4

appropriately.

7. The source should be powered off when

connecting it to the DVI In port on the DVI

Detective Plus.

8. Power on the source.

Note: If using a PC, restart your computer only after

you’ve made all the connections.

USING A

PRE-PROGRAMMED EDID

The DVI Detective Plus includes 5 built-in manually-

selectable generic EDIDs (display identities) for

forcing several standard home theater setups with

multi-channel audio and standard HDTV resolutions.

This functionality is vital when equipment reaches a

state of indeterminate function and will not respond to

signals or controls properly, and a certain resolution

size with speciﬁc audio must be forced upon all

connected equipment. On the next two pages are

tables with the listed resolutions, refresh rates, and

audio channels for each pre-programmed EDID.

Once the desired EDID is chosen, use the steps

below to program the DVI Detective Plus.

1. Choose the desired EDID from the table above

and enable the corresponding DIP SWITCHES.

2. Remove any DVI cables and power supplies

attached to the DVI Detective Plus.

3. Follow steps 3 through 8 in the section

CONNECTING AND OPERATING THE DVI

DETECTIVE PLUS (Page 4 and 5)

NOTE: Only when the DIP SWITCHES are set in

the combinations above will an pre-programmed

EDID be written to the DVI Detective Plus. Please

set all DIP SWITCHES to the OFF (down) position to

enable the default setting and record an EDID from

an attached display.

USING A

PRE-PROGRAMMED EDID

EDID Resolutions - Aspect Ratio Refresh Rate Audio Setting DIP SWITCHES

720 x 576p 4:3 720 x 576p 16:9

50 hz Linear PCM 2

Channel

1234

1280 x 720p 16:9 1920 x 1080p 16:9 ON OFF OFF N/A

1920 x 1080i 16:9 (native)

720 x 480p 16:9 1440 x 480p 16:9

59.94/60 hz Linear PCM 2

Channel

1234

1280 x 720p 16:9 1920 x 1080p 16:9 OFF ON OFF N/A

1920 x 1080i 16:9 (native)

720 x 576p 4:3 720 x 576p 16:9

50 hz Linear PCM 8

Channel

1234

1280 x 720p 16:9 1920 x 1080p 16:9 ON ON OFF N/A

1920 x 1080i 16:9 (native)

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