Gefen EXT-DVI-EDIDP User manual

DVI
Detective
Plus
EXT-DVI-EDIDP
User Manual
®

Technical Support:
Telephone [phone]
[phone]
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 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.
© 2009 Gefen Inc., All Rights Reserved
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.
1

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.
2

3
PANEL LAYOUT
Front Panel
Back Panel
Write
Protection
Switch
EDID &
HDCP
Switches
DVI
Out
Power
LED
Indicator
Programming
Button
DVI
In
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.
4

5
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.
6

USING A
PRE-PROGRAMMED EDID
7
EDID Resolutions - Aspect Ratio Refresh Rate Audio Setting DIP SWITCHES
1
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)
2
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)
3
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)