Martin DVI Buffer BOX User Manual
DVI Buffer Box
for LC Series Video Screen
user manual
Dimensions
All dimensions are in millimeters
©2007 Martin Professional A/S. All rights reserved. No part of this manual may be reproduced, in any form or by any means, without
permission in writing from Martin Professional A/S. Information subject to change without notice. Martin Professional A/S and all affil-
iated companies disclaim liability for any injury, damage, direct or indirect loss, consequential or economic loss or any other loss
occasioned by the use of, inability to use or reliance on the information contained in this manual.
P/N 35000207, Rev. A
Contents
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
About the DVI Buffer Box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
About LCS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Intended users. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Included items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Installation and setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
DVI Buffer Box connections and jumper settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Using LCS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Software installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Starting the application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Important usage tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Main window controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Options menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
DVI Buffer Box specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Disposing of this product
Martin® products are supplied in compliance with Directive 2002/96/EC
of the European Parliament and of the Council of the European Union
on WEEE (Waste Electrical and Electronic Equipment), as amended by
Directive 2003/108/EC, where applicable.
Help preserve the environment! Ensure that this product is recycled at
the end of its life. Your supplier can give details of local arrangements
for the disposal of Martin products.
Introduction
Thank you for selecting the DVI Buffer Box for LC Series LED video display panels from Martin®. This
document describes how to connect the DVI Buffer Box, and how to install and use the included LC
software.
For the latest software updates, documentation, and other information about this and all Martin
please visit the Martin
Comments or suggestions regarding this document may be e-mailed to service@martin.dk or posted to:
Technical Documentation
Service Department
Martin Professional A/S
Olof Palmes Allé 18
DK-8200 Aarhus N
Denmark
About the DVI Buffer Box
The DVI Buffer Box is an accessory device for use with LC Series LED video panels. It serves the following
functions:
• 1024 x 768 XGA monitor emulation (required by the PC or Maxedia media server)
• Genlock synchronization with other video devices
• Interface between panels and LCS, the LC series panel management PC software
®
web site at http://www.martin.com
®
products,
About LCS
The LC software allo w s th e user to:
• Set video curtain luminance and color levels
• Adjust individual panel levels
• View and set each panel’s XY coordinate address (overriding the panel DIP-switch)
• Tune the panel frequency for the video source
• Set vertical and horizontal video offset
• Generate test colors
• Select panel cooling mode and view panel temperature
• View panel firmware version number
• Upgrade panel firmware
Intended users
As part of a video display system, the DVI Buffer Box is intended to be installed by qualified video
technicians. The product is for professional use only. It is not for household use.
LCS is intended for use by qualified video technicians and projectionists.
Included items
The DVI Buffer Box is shipped with the following items:
• LC software CD-ROM
• RS-232 serial cable
• 2 jumper caps
• User manual (on CD-ROM)
4 DVI Buffer Box user manual
Installation and setup
Important! Always remove power from the system before connecting or disconnecting video cables.
DVI Buffer Box connections and jumper settings
DVI IN socket
DVI-D single-link digital input from video source.
Connect with video devices powered off.
DVI OUT socket
DVI-D single-link digital output to splitter or LC
panel. Connect with video devices powered off.
BNC term. jumper
Provides BNC cable termination. Used
when the DVI Buffer Box is the last
device on the cable.
60 Hz jumper
Selects 60 Hz monitor emulation.
50 Hz jumper
Selects 50 Hz monitor emulation.
Figure 1: Connections overview
RS-232 socket
Serial data port for connection to PC.
BNC socket
Genlock/composite video signal input from video
control desk or other video device.
RS-232 com. LED (blue)
Flashes when data is exchanged with PC.
DVI com. LED (red)
Lights when the box is receiving 5V power
through the video input.
Installation and setup 5
DVI video connection
The DVI Buffer Box accepts a 1024 x 768 XGA DVI-D single link
(digital and DDC) signal.
It has two DV I connectors: one for input and one f or output. Although
the video signal is DVI-D single link, the connectors are DVI-I dual
link type. The advantage of this solution is that any D VI cab le can be
used, although only the pins that carry the DVI-D single link signal
are actually used.
The DVI Buffer Bo x is po wered b y the 5 V power line in the DVI input
cable. The “DVI Com.” LED lights when the device is receiving
power.
Up to 6 panels may be connected in series (daisy-chained) to the
DVI output in first generation. For more information regarding DVI
link configuration, please refer to the LC 1140/2140 LED Video
Screen user manual.
To connect the DVI signal:
1. Power all panels and devices off while making connections.
2. Use a short (1.5 m) DVI-D cable to connect the DVI output from the source (Martin Maxedia, for
example) to the DVI Buffer Box input.
3. Use a short (1.5 m) or medium length (3.2 m) DVI-D cable to connect the DVI output from the D VI Buff er
Box to the first panel or splitter. The total DVI-D cable length from the video source to the first panel or
splitter may not exceed 5 m (16 ft.)
DVI-I dual link connector
DVI-D single link pins
Figure 2: DVI connectors
Genlock connection
The video curtain can be synchronized with other video devices via an external synchronization signal
connected to the DVI Buffer Box. A composite video signal or master sync pulse signal may be used.
When using an external signal, connect the cable from the signal source or previous video device to the
BNC terminal. Y ou will need a cable splitter (T-connector, not included) if the signal must be fed to additional
devices.
Select a BNC termination option as described below, under “Jumper settings”.
PC connection
The DVI Buffer Box communicates with the LC software through the PC’s serial (COM) port. To connect the
DVI Buffer Box to a PC, connect the included serial cable to the RS-232 port on the buffer box and a COM
port from 1 to 4 on the PC. LCS automatically detects the hardware when it starts up.
The serial cable connects pins 2, 3, and 5 on each end. Tip: If a longer serial cable is needed, use a
shielded data cable with the shield connected to pin 5 on each end.
No documentation or support is available for the selection or use of an accessory serial port adaptor.
Jumper settings
DVI signal frequency and BNC cable termination are selected with the jumpers on the DVI Buffer Box. Set
as follows.
• Place one jumper cap on either the 50 Hz or 60 Hz jumper to match the frequency of the DVI source.
• If the DVI Buffer Box is the last device connected to the sync cable, place a jumper cap on the
“BNC term.” jumper. When not used, store the termination jumper cap by placing it on one pin
as shown to right.
6 DVI Buffer Box user manual
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