DK-Audio MSD100 User manual

[User’s Manual]
www.dk-audio.com
MSD100
MSD100AES/SA
MSD100T/SA
MASTER STEREO DISPLAY

MSD100 Series - User’s Manual
Copyright © 1995, 1997, 2002, DK-Audio, Herlev
All rights reserved. No part of this publication may be
reproduced or distributed in any form, or by any means,
without prior written consent from DK-Audio A/S,
Denmark.
Trademarks
Analog Devices is a registered trademark of
Analog Devices, Inc. USA
Crystal is a registered trademark of
Crystal Semiconductor Corp., USA
Note: This manual covers all MSD100 Series models.
The main text refers to the MSD100 but applies to all
models. Special notes, subsections and tables are pro-
vided to describe operational features that are unique to
specific models.

MSD100 Series - User’s Manual
CONTENTS
1. Introduction
1.1 Using This Manual . . . . . . . . . . . . . . . . . . . . . 2
1.2 Notation Conventions . . . . . . . . . . . . . . . . . . 3
1.3 Related Documentation . . . . . . . . . . . . . . . . . 4
1.4 If You Need Help . . . . . . . . . . . . . . . . . . . . . . 4
2. Overview
2.1 Audio Metering . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 MSD100 Applications . . . . . . . . . . . . . . . . . . 5
2.3 Physical Overview . . . . . . . . . . . . . . . . . . . . . 6
2.4 Audio Inputs . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.5 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . 6
2.6 Model Comparison Summary . . . . . . . . . . . . 8
3. Installation
3.1 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1.1. Mounting for Horizontal and Vertical
Adjustment . . . . . . . . . . . . . . . . . . . . 9
3.1.2 Mounting for Horizontal
Adjustment Only . . . . . . . . . . . . . . . . . 9
3.2 Audio Connections . . . . . . . . . . . . . . . . . . . 10
3.3 Power Connections . . . . . . . . . . . . . . . . . . . 11
4. Operation
4.1 Main Display and Control Keys . . . . . . . . . . 12
4.1.1 Initial Display at Power Up . . . . . . . . . 13
4.1.2 Function Keys . . . . . . . . . . . . . . . . . . 13
4.1.3 Additional Information Displayed on
Digital Models . . . . . . . . . . . . . . . . . . 13
4.2 Phase Correlation Meter . . . . . . . . . . . . . . . 14
4.3 Audio Vector Oscilloscope . . . . . . . . . . . . . . 14
4.4 Peak Programme Meter (PPM) . . . . . . . . . . 15
4.4.1 International PPM Scales Supported . 15
4.5 Level Meters . . . . . . . . . . . . . . . . . . . . . . . . 16
4.6 Adjusting Input Gain (20 dB) . . . . . . . . . . . . 16
4.7 Using the Utilities Menu . . . . . . . . . . . . . . . . 16
4.7.1 Adjusting Brightness . . . . . . . . . . . . . . 17
4.7.2 Adjusting Viewing Angle (Contrast) . . . 17
4.7.3 Selecting Inverted Display . . . . . . . . . 18

MSD100 Series - User’s Manual
4.8 Selecting PPM Options . . . . . . . . . . . . . . . . 18
4.8.1 Selecting Preferred PPM Scale . . . . . . 18
4.8.2 Selecting the PPM Reference Level . . 19
4.8.3 Using the LED Overload Indicators . . . 19
4.8.4 Using the PPM Peak Hold Function . . 19
4.8.5 Using the PPM FAST Mode . . . . . . . . 20
4.9 Changing Default Settings . . . . . . . . . . . . . . 20
4.10 Bitstream Status Display . . . . . . . . . . . . . . 21
4.10.1 AES/EBU Decoding Mode . . . . . . . . 21
4.10.2 Consumer Decoding Mode . . . . . . . . 23
4.10.3 Displaying Channel Information . . . . 23
4.11 Spectrum Analysers . . . . . . . . . . . . . . . . . . 23
4.11.1 FFT Spectrum Analyser . . . . . . . . . . 23
4.11.2 1/3-Octave Spectrum Analyser . . . . . 24
Appendix A. Specifications
A.1 Power Supply . . . . . . . . . . . . . . . . . . . . . . . 25
A.2 Cabinet Dimensions . . . . . . . . . . . . . . . . . . 25
A.3 Level Meter . . . . . . . . . . . . . . . . . . . . . . . . 25
A.4 Phase Correlation Meter . . . . . . . . . . . . . . . 26
A.5 Audio Vector Oscilloscope . . . . . . . . . . . . . 26
A.6 LCD Display . . . . . . . . . . . . . . . . . . . . . . . . 26
Glossary
Terms, Abbreviations, Acronyms . . . . . . . . . . . . 27
Product Registration Form
Registration Card . . . . . . . . . . . . . . . . . . . . . . . 30

MSD100 Series - User’s Manual
List of Tables
Table 2-1 MSD Rear Panel Connections . . . . . . . 6
Table 2-2 MSD Comparison Summary . . . . . . . . . 8
Table 3-1 MSD Series Audio Connections . . . . . 10
Table 3-2 MSD Supply Voltage Specifications . . 11
Table 4-1 Ideal Stereo and Mono Signals . . . . . . 14
Table 4-2 Data Information for AES/EBU Mode . 22
List of Figures
Figure 1-1 MSD Master Stereo Display . . . . . . . . 1
Figure 4-1 MSD Main Display . . . . . . . . . . . . . . 12
Figure 4-2 MSD100AES/SA w/Sampling
Frequency . . . . . . . . . . . . . . . . . . . . 13
Figure 4-3 MSD100 Displays for Signal
Conditions . . . . . . . . . . . . . . . . . . . . 15
Figure 4-4 Available PPM Scales . . . . . . . . . . . . 16
Figure 4-5 Set Brightness/ INV Menu . . . . . . . . . 17
Figure 4-6 Set Viewing Angle Menu . . . . . . . . . . 17
Figure 4-7 Set Set up Utility Menu . . . . . . . . . . 21
Figure 4-8 FFT Spectrum Analyser . . . . . . . . . . 24

MSD100 Series - User’s Manual
1. INTRODUCTION
This section provides a description of the MSD100
Series, lists related documentation and notation conven-
tions, and provides product support contact information.
The DK-Audio MSD100 Master Stereo Display Series
models are universally recognised professional audio
metering system for broadcast and studio applications.
The MSD100 Series supplements the human ear by pro-
viding a visual representation of audio level, phase, stereo
imaging and more. The entry-level MSD100 is shown in
Figure 1-1.
The MSD Series models covered in this manual are:
• MSD100
• MSD100AES/SA
• MSD100T/SA
Figure 1-1. MSD100 Master Stereo Display
1
Note: This manual covers all MSD100 Series
models listed above. The main text refers to
the MSD100 but applies to all models.
Special notes are provided to describe ope-
rational features that are unique to specific
models.
☞

MSD100 Series - User’s Manual
The MSD100 Series models deliver monitoring capabili-
ties beyond traditional instruments such as bar graphs,
LEDs and oscilloscopes.
All MSD100 Series units provide the following basic func-
tions:
• Phase Meter
• Audio Vector Oscilloscope
• Level Meter with selectable PPM/VU scales
• Selectable reference level
• LED overload Indicator
• Peak Hold
The MSD100T/SA adds the following features:
• Spectrum Analyser
• Transformer balanced audio inputs with XLRs
The MSD100AES/SA adds the following features:
• Spectrum Analyser
• Digital Data Readout
1.1 Using this Manual
This manual contains information and instructions neces-
sary to install, configure and operate the MSD100,
MSD100AES/SA and MSD100T/SA. It provides step-by-
step instructions you must perform to install and operate
your MSD100 Series model successfully. This manual
contains the following information:
Section 1 Introduction. Includes a brief description
of the MSD100 Series, lists related
documentation, provides product support
contact information.
Section 2 Overview. Describes the MSD100
functions, hardware components, physical
enclosure, and connectors.
Section 3 Installation. Provides instructions on how
to install the unit and connect audio and
power cables.
2

MSD100 Series - User’s Manual
Section 4 Set-up and Operation. Provides instruc-
tions on how to operate the MSD and use
the main display, control keys, phase corre-
lation meter, audio vector oscilloscope, and
peak programme meter. It describes how to
interpret displayed data, adjust PPM peak
hold meters, input gain, utilities, brightness,
and viewing angle.
Section 5 Digital AES/EBU Versions. Describes the
operation of the bitstream status display on
the digital audio MSD100AES/SA model.
Section 6 Spectrum Analyser Versions. Describes
the operation of the Spectrum Analyser of
the MSD100T/SA and MSD100AES/SA
models.
Appendix A Specifications. Provides the technical and
physical specifications for the MSD unit.
Glossary Glossary. Provides full spelling of acronyms
and abbreviations and the definitions of
special industry terms used in this manual.
Product Registration Card. This page can be used
Registration if the registration card is missing. Either the
form or the card can be mailed or faxed to
DK-Audio.
1.2 Notation Conventions
Before you begin working with the MSD100, familiarise
yourself with the notation conventions used in this manu-
al.
Convention/Symbol Meaning/Example
☞
Used together with italic type to
point out important information
and notes.
Important cautions and safety-
related information, such as
“Never apply power while the
housing is removed”.
3
!
Caution

MSD100 Series - User’s Manual
Boldface Type Keys you must press, such as
[LEFT], [UTIL], [CAL],
[DEFAULT] and [EXIT] keys.
Italic type Emphasises operational
differences of specific models,
such as This function is not
available on the MSD100AES/SA.
1.3 Related Documentation
The Audio Metering book provides additional information
about related technologies, and is available from your
local dealer.
• Audio Metering, Eddy Bøgh Brixen,
Broadcast Publishing & DK-Audio A/S, Denmark 2001
1.4 If You Need Help
If you need assistance while working with your MSD100
Series product, please contact your local dealer or
tech.support at DK-Audio:
Telephone [phone]
Fax [phone]
Mail registration DK-Audio A/S, Marielundvej 37D
DK-2730 Herlev – Denmark
E-mail [email protected]
Web address www.dk-audio.com
You can access the following Technical Support informa-
tion from our web site:
• Product Specifications
• Software downloads (Not available for MSD100-series)
• User’s Manuals
• FAQ (Frequently Asked Questions)
• Direct contacts
4