DK-Audio MSD100 Manuale utente

MSD100

MSD100AES/MSD100AES-SA

MSD100T/MSD100T-SA

MSD150C

MASTER STEREO DISPLAY

USER’S MANUAL

reproduced or distrinbuted in any form, or by any means,

without prior written consent from DK-Audio, Herlev,

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

provided to describe operational features that are unique

to specific models.

MSD100 USER’S MANUAL i

CONTENTS

1. Introduction

1.1 Using This Manual.......................................... 1-3

1.2 Notation Conventions ...................................... 1-4

1.3 Related Documentation.................................... 1-5

1.4 If You Need Help............................................ 1-5

1.4.1 RMA Request......................................... 1-5

2. Overview

2.1 Audio Metering............................................... 2-1

2.2 MSD100 Applications....................................... 2-2

2.3 Physical Overview........................................... 2-3

2.4 Audio Inputs .................................................. 2-3

2.5 Power Supply................................................. 2-4

2.6 Codec Circuit................................................. 2-5

2.7 Decoder........................................................ 2-6

2.8 DSP Microcomputer ........................................ 2-6

2.9 EPROM (Program Storage Media)...................... 2-6

2.10 LCD Display................................................. 2-7

2.11 Model Comparison Summary ........................... 2-7

3. Installation

3.1 Mounting....................................................... 3-1

3.1.1. Mounting for Horizontal and Vertical

Adjustment ................................................... 3-1

3.1.2 Mounting for Horizontal Adjustment Only ..... 3-2

3.2 Audio Connections .......................................... 3-2

3.3 Power Connections ......................................... 3-4

CONTENTS

ii MSD100 USER’S MANUAL

4. Operation

4.1 Main Display and Control Keys.......................... 4-1

4.1.1. Initial Display at Power Up........................ 4-2

4.1.2 Function Keys......................................... 4-3

4.1.3 Additional Information Displayed on

Digital Models ......................................... 4-3

4.2 Phase Correlation Meter................................... 4-4

4.3 Audio Vector Oscilloscope................................ 4-3

4.4 Peak Programme Meter (PPM) .......................... 4-5

4.4.1 International PPM Scales Supported............ 4-6

4.5 Level Meters.................................................. 4-7

4.6 Adjusting Input Gain (20 dB)............................. 4-7

4.7 Using the Utilities Menu ................................... 4-8

4.7.1 Adjusting Brightness ................................ 4-8

4.7.2 Adjusting Viewing Angle (Contrast).............. 4-9

4.7.3 Selecting Inverted Display ........................4-10

4.8 Selecting PPM Options ...................................4-10

4.8.1 Selecting Preferred PPM Scale..................4-10

4.8.2 Selecting the PPM Reference Level............4-11

4.8.3 Using the LED Overload Indicators.............4-11

4.8.4 Using the PPM Peak Hold Function............4-12

4.8.5 Using the PPM FAST Mode ......................4-13

4.9 Changing Default Settings ...............................4-14

4.10 Bitstream Status Display................................4-15

4.10.1 AES/EBU Decoding Mode.......................4-15

4.10.2 Consumer Decoding Mode......................4-16

4.10.3 Displaying Channel Information................4-16

4.11 Spectrum Analysers......................................4-17

4.11.1 FFT Spectrum Analyser..........................4-17

4.11.2 1/3-Octave Spectrum Analyser.................4-17

CONTENTS

MSD100 USER’S MANUAL iii

Appendix A. Specifications

A.1 Power Supply................................................A-1

A.2 Cabinet Dimensions .......................................A-2

A.3 Level Meter...................................................A-2

A.4 Phase Correlation Meter ..................................A-2

A.5 Audio Vector Oscilloscope................................A-3

A.6 LCD Display..................................................A-3

Glossary

Terms, Abbreviations, Acronyms...................Glossary-1

Product Registration Form

Registration Card...................................Registration-1

Index

Index ...........................................................Index-1

List of Tables

Table 2-1 MSD Rear Panel Connections ................... 2-3

Table 2-2 MSD Compasrison Summary..................... 2-7

Table 3-1 MSD Series Audio Connections ................. 3-3

Table 3-2 MSD Supply Voltage Specifications............ 3-5

Table 4-1 Ideal Stereo and Mono Signals.................. 4-4

Table 4-2 Available Scales..................................... 4-6

Table 4-3 Data Information for AES/EBU Mode..........4-15

CONTENTS

iv MSD100 USER’S MANUAL

List of Figures

Figure 1-1 MSD Master Stereo Display ..................... 1-1

Figure 2-1 MSD100 Dimensions .............................. 2-3

Figure 2-2 RCA and XLR Connectors ....................... 2-4

Figure 2-3 Rear-Panel Power Connection.................. 2-4

Figure 3-1 MSD100 Mounted in Bracket.................... 3-2

Figure 3-2 Female XLR Connections MSD100T.......... 3-4

Figure 3-3 DC Power Socket .................................. 3-4

Figure 4-1 MSD Main Display .................................4-1

Figure 4-2 MSD100AES/SA w/Sampling Frequency..... 4-3

Figure 4-3 MSD100 Displays for Signal Conditions...... 4-5

Figure 4-4 Available PPM Scales ............................ 4-7

Figure 4-5 Set Brightness/ INV Menu ....................... 4-8

Figure 4-6 Set Viewing Angle Menu......................... 4-9

Figure 4-7 FFT Spectrum Analyser .........................4-18

1. INTRODUCTION

This section provides a description of the MSD100 Series,

lists related documentation and notation conventions, and

provides product support contact information.

The DK-Audio MSD100 Master Stereo Display Series

models are universally recognized professional audio

metering system for broadcast and studio applications.

The MSD100 Series supplements the human ear by

providing a visual representation of audio level, phase,

stereo imaging and more. The entry-level MSD100 is

shown in Figure 1-1.

FIGURE 1-1. MSD100 MASTER STEREO DISPLAY

INTRODUCTION

1-2MSD100 USER’S MANUAL

The MSD Series models covered in this manual are:

•MSD100 •MSD150C

•MSD100AES •MSD100AES-SA

•MSD100T •MSD100T-SA

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 operational

features that are unique to specific models.

The MSD100 Series models deliver monitoring

capabilities beyond traditional instruments such as bar

graphs, LEDs and oscilloscopes.

All MSD100 Series units provide the following basic

functions:

•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

INTRODUCTION

MSD100 USER’S MANUAL 1-3

1.1 USING THIS MANUAL

This manual contains information and instructions

necessary to install, configure and operate the MSD100,

MSD100AES, MSD100AES-SA, MSD100T, MSD100T-SA

and MSD150C. 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.

Section 4 Setup and Operation. Provides instructions on

how to operate the MSD and use the main

display, control keys, phase correlation 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 and MSD100AES-SA

models.

Section 6 Spectrum Analyser Versions. Describes the

operation of the FFT-Spectrum Analyser of the

MSD100T-SA and MSD100AES-SA models.

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