Hall Research Technologies EMX-DVI Mode d'emploi

User’s Manual

CUSTOMER

SUPPORT

INFORMATION

Order toll-free in the U.S. 800-959-6439

FREE technical support, Call 714-641-6607 or fax 714-641-6698

Mail order: Hall Research, 1163 Warner Ave., Tustin, CA 92780

Web site: www.hallresearch.com • E-mail: info@ hallresearch.com

UMA1185 Rev C

EMX-DVI

Single & Dual Link DVI Extender w/ EDID Mgmt

Equalizes and Boosts Single or Dual Link DVI video signals

Manage EDID (pass-thru or emulate)

Learns and Store EDID from any display

USB Port for device management with included software

Port-powered (from DVI sources that provide enough power)

Includes Universal power adapter

Table of Contents

1.0 Introduction.........................................................................1

2.0 Features .............................................................................3

3.0 Installation...........................................................................3

4.0 Default EMULATION resolutions ........................................4

5.0 Power Requirements ..........................................................4

6.0 Operation............................................................................5

7.0 Windows Software GUI.......................................................5

8.0 Troubleshooting ..................................................................6

9.0 Returning unit for Repair.....................................................6

10.0 Specifications....................................................................7

11.0 Trademarks.......................................................................7

EMX-DVI Extender & EDID Mgr

1.0 Introduction

Thank you for purchasing the Hall Research EMX-DVI. Use this device to boost and

extend DVI video signals, emulate a display to the source by supporting EDID

functions, and to be able to read/learn and emulate any display’s EDID.

The EMX-DVI automatically compensates for the signal degradation caused by long

video cable runs of up to 50 ft (15 m) on its input and can drive long DVI Cables on

its output to 40 ft (12 m) by boosting and echo-canceling the DVI video output. Its

ability to equalize cable losses makes it ideal to be placed at the far (display) end of

long DVI cables.

By default, the unit is setup to buffer single link DVI (or HDMI) signals. Use the

recessed LINK pushbutton to change the mode to support Dual link TMDS signals.

There is an indicator on the top of the unit for the selected mode.

In most instances, when configured for Single Link extension, the unit can operate

from the power available through the DVI source signal and no external power

supply connection is required.

The unit ships with a universal power supply in case the power from the DVI input

source is insufficient. The power supply is plugged in at the USB connector. When

the USB port is connected to a PC (cable supplied), the unit is powered by the PC

through the USB connection.

The DDC channel (that handles EDID and HDCP data) can either be bypassed

through the EMX-DVI (so the source communicates directly with the connected

display), or it can be emulated whereby the EDID is supplied from internal memory.

The product is shipped with a fixed internal EDID table for emulate mode, but this

table can be overwritten by either learning the EDID from a connected sink (display),

or uploaded via the USB port using the free software from Hall Research. The user

can revert to the original internal table if required, by performing factory reset using

the software.

EMX-DVI Extender & EDID Mgr

Advantages of having a mode that emulates the EDID are:

•Video problems may be caused by errors in the EDID data transmission

from the display to the PC (long cables, or extension and switching

equipment), supplying EDID from the EMX-DVI can resolve those

problems.

•You can control the EDID table that is being emulated. For example you

can “learn” a certain LCD’s EDID, or even upload your own edited EDID.

•In Emulate mode the PC detects a connected display even if there is no

physical display connected, or if the display is off and not asserting its Hot

Plug Detect signal. In emulate mode the HPD is asserted and the PC is

allowed to fully boot in critical applications regardless of what is

connected at its DVI (or VGA) output.

•Some sources such as MacBook™ laptops by default output video with

HDCP (when they detect connection to a sink that supports HDCP), but

when connected through the EMX-DVI in emulate mode, MacBook™s

will output video without HDCP (if the source video has DRM, such as a

DVD movie, then no video will be shown). This can be an advantage in

cases where you are connecting a MacBook™ through some splitters or

switches that support HDCP to a video conferencing system that cannot

support HDCP. All that is needed is the EMX-DVI in emulate mode

connected at the video output of the Mac.

The EMX-DVI provides a driver free USB port for connection to a PC. The package

includes a universal power supply, a USB cable for connection to a PC, and a CD

containing the User's Manual and Windows™ PC. This software allows reading,

saving, manipulating, and writing EDID tables to and from the device. The EMX-DVI

modes (Bypass vs. Emulate or Single-Link vs. Dual-Link) are also controllable via

the USB port.

The DVI connectors used on the unit are DVI-I (they have all the pin sockets even

for analog RGB). The device provides DVI-I bypass for analog RGBHV (or VGA)

signals (i.e. analog pins on the DVI-I input are connected to the output), so it can

manage EDID for VGA sources and displays using inexpensive VGA to DVI cables

or adapters.

EMX-DVI Extender & EDID Mgr

Long Video

Cable

2.0 Features



Equalize and boost Single or Dual Link DVI

video

Manage EDID (pass-thru or emulate)

Learn and Store EDID form any display

USB port for managing EDID and

configuration with free software

Port-powered (from DVI sources that

provide enough power)

Includes Universal power adapter

LED indicators for Mode display



Analog VGA pass-through

In Emulate mode allows PC to fully boot

with video even if there is no physical

display connected

Supports Single and Dual-Link DVI,

HDMI™, CEC & 3D Video

Use with or without display

USB port for control and mgmt of EDID

Designed and made in USA

3.0 Installation

The EMX-DVI connects between

the video source and an optional

display device.

Though designed to drive long

cables on its output, when used as

an extender, it is best to place the

EMX-DVI at the end of the long

cable. In that way, its automatic

equalizer can clean the output

signal and open the TMDS “eye”.

TMDS Signal at end of long Cable TMDS Signal after Equalization

The DVI source may have enough power to power up the unit (particularly when configured in

Single-Link Mode), so connection to an external power supply would not be needed. The only

way to find out if a particular source can supply the required power is to try it. If a power

supply in deemed necessary, the package includes one that will plug to its USB port. When

the EMX-DVI USB port is connected to a PC, it draws power from the USB and no additional

power supply is needed.

Connect the video source to the EMX-DVI video input (50 ft or 15 meters max). Connect the

EMX-DVI video output to the display device (40 ft or 12 meters max).

The EMX-DVI LEDs show the current device settings. Refer to the operations section for more

information.

EMX-DVI Extender & EDID Mgr

Input, Output, and Top views

4.0 Default EMULATION resolutions

The following is a list of supported resolutions in the internal EDID of the EMX-DVI as shipped

from the factory – the native resolution is highlighted in grey. When the user “learns” a new

EDID or uploads a new EDID to the box through the USB port, then this table is overwritten.

However the default EDID table can be restored by performing a Factory Default reset (using

the free Windows® software, or by pressing buttons as described in Section 6).

RESOLUTION

FREQUENCY

ASPECT RATIO

RESOLUTION

FREQUENCY

ASPECT RATIO

640x480

60, 67, 72, 75

(Aspect 4:3)

720x480i

59.94/60

(Aspect 4:3, 8:9)

800x600

56, 60, 72, 75

(Aspect 4:3)

720x480p

59.94/60

(Aspect 4:3, 8:9)

1024x768

60, 70, 75

(Aspect 4:3)

1280x720p

59.94/60

(Aspect 16:9, 1:1)

1280x720

(Aspect 16:9)

1920x1080i

59.94/60

(Aspect 16:9, 1:1)

1280x800

(Aspect 16:10)

1920x1080p

50, 59.94/60

(Aspect 16:9, 1:1)

1280x1024

60, 75, 85

(Aspect 5:4)

1400x1050 60 (Aspect 4:3)

1440x900

(Aspect 16:10)

1600x1200

(Aspect 4:3)

1680x1050 60 (Aspect 16:10)

1920x1080

(Aspect 16:9)

1920x1200

(Aspect 16:10)

5.0 Power Requirements

This device requires 5 Volts DC which can be sourced through the mini-B USB connector (by

connecting to the included power supply or a PC’s USB port), or from Pin 14 (+5 V) of the DVI

connector.

To power the EMX-DVI from the DVI input power, the source must be able to supply a

minimum of 120 mA (@ 5 vDC) for SINGLE LINK DVI operation and a minimum of 220 mA

(@ 5 vDC) for DUAL LINK DVI operation. Using a video source with insufficient power

capabilities will result in erratic operation and loss of video. If this happens, the user must

connect the USB port to a PC or a power supply.

EMX-DVI Extender & EDID Mgr

6.0 Operation

The EMX-DVI recessed buttons prevent inadvertent changes to its settings.

Changing the settings requires a pointed device inserted into the hole to depress the button.

Some functions require depressing the button for several seconds.

•EDID/DDC – PASS-THRU LED

oEDID & HDCP information passes through the device without modification.

oHDCP is supported in this mode if the connected sink device is HDCP compliant.

oHot-Plug Detect signal (HPD) from connected display passes to the DVI input.

•EDID/DDC – EMULATE LED

oEmulates the EDID using the table that is currently stored in the device.

oHDCP is not supported in this mode

oHPD signal remains active (no monitor required)

•LINK – SINGLE LED

oDVI video passes through the device in SINGLE LINK format.

•LINK – DUAL LED

oDVI video passes through the device in DUAL LINK format.

•LEARNING the EDID from Connected LCD

oPress and hold the EDID button for approximately 3~5 seconds until the EMULATE

LED starts blinking

oRelease the button, the EMULATE LED will continue blinking while the unit is

reading and saving the EDID form the LCD connected to the output.

oIf the EDID read process is successful, then ALL LED’s will illuminate one at a time

in a circular pattern 5 times.

oIf the EDID is NOT successfully read, the PASS-THRU and EMULATE LEDs will

alternately flash 5 times to indicate the error.

•SET FACTORY DEFAULTS

oSimultaneously press and hold BOTH the LINK and EDID buttons for approximately

3~5 seconds until BOTH the EMULATE and SINGLE LINK LED’s start blinking.

oRelease both buttons.

oIf the factory defaults were successfully restored, all LED’s will illuminate one at a

time in a circular pattern 5 times.

7.0 Windows Software GUI

The EMX-DVI is controllable via a free

Windows™ based GUI available from

the Hall Research website.

All of the device features, and more,

are accessible from the GUI. EDID files

can be exported or imported. The

device is also capable of writing

custom EDID data back to compatible

display devices.The user guide for the

Software GUI is only available from the

website.

EMX-DVI Extender & EDID Mgr

8.0 Troubleshooting

Problem: No LEDs illuminate or LED’s only momentarily FLASH when buttons are pushed, or

No video appears on the connected LCD

Possible Cause: If connected via DVI input cable only, your source may not have

enough power through its DVI connector to power the device, connect and check power

supply

Problem: DVD or Blu-ray content does not display

Possible Cause: The source is content protected using HDCP. HDCP is not supported

in EMULATE mode, use the PASS-THRU mode.

9.0 Returning unit for Repair

If you need to transport or ship your unit: Package it carefully. We recommend that you use

the original container.

Before you ship the units back to Hall Research for repair or return, contact us to get a Return

Authorization (RMA) number.

EMX-DVI Extender & EDID Mgr

10.0 Specifications

Power Supply.................................................................................................................. (North American)

5 vDC, 1 ADC

USB-A to mini-B cable

90-264 VAC, 47-63 HZ

CE/FCC/UL

(Export)

5 vDC, 1.2 ADC

Integral mini-B cable

90-264 VAC, 47-63 HZ

CE/FCC/UL

Inter-changeable blades

Size ........................................................................................................ 2.71” (W) x 2.825” (D) x 1.25” (H)

(68.83 mm) x (71.76 mm) x (31.75 mm)

Weight.................................................................................................................................. 1 Lb (0.453 kg)

Operating Temperature ............................................................................. 32 to 122 DegF (0 to 50 DegC)

Storage Temperature ............................................................................-40 to 185 DegF (-40 to 85 DegC)

Humidity ............................................................................................................ 10 to 90% non-condensing

Cooling........................................................................................................................................Convection

Enclosure type ........................................................................... Black Plastic ABS-94VO, UL File #56070

Vibration........................................................... ISTA 1A in carton (International Safe Transit Association)

Safety .......................................................................................................................................................CE

EMI/EMC...........................................................................................................................CE, FCC Class A

MTBF .......................................................................................................................................90,000 hours

Warranty...................................................................................................................2 years parts and labor

USB....................................................................................................................................... 1.1 Full Speed

Support video formats.......................................................................................................................DVI 1.0

HDMI™ 1.4

HDCP 1.0

Analog RGBHV

11.0 Trademarks

Hall Research and its logo are trademarks of Hall Research Technologies, Inc. All other

trademarks mentioned in this manual are acknowledged as the property of the trademark

owners.

EMX-DVI Extender & EDID Mgr

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