Lexicon Converter manual Contents

Page 4

Contents

Introduction

 

Controls and Connectors

1

Unpacking • Power • Mounting

1

Front Panel Controls

2

The Converter • The Level Meters • The Compressor

 

Synchronization and Output Formatting • Alternate Modes

 

Rear Panel Connectors

5

Audio Connections

6

Connectors • Cables

 

Using the 20/20 AD

9

Analog Inputs

9

Termination and Grounding via Internal Jumpers

9

Balanced and Unbalanced Input Signals

12

Front Panel Adjustments

13

Synchronization and Sample Rate

14

AES Sync • Word Clock • Internal and External Modes

 

About Dither

16

Psychoacoustically Optimized Noise Shaping (PONS)

 

Automatic Offset Removal

18

Compressor Modes

18

Dynamic Range Compression • Non-Linear Transfer

 

Functions • Overload Protection • Digitizing Analog Tape

 

Link • Display

 

Digital Audio Outputs

23

Realigning Two DAT Recordings

24

Digital Sinewave Generator

24

Operating the 20/20 AD in the Digitial Mode

25

Specifications

27

Definition of Terms

29

Image 4
Contents 20/20 AD Precautions Safety Summary Electrostatic Discharge ESD PrecautionsContents Introduction AES/EBU Interface ProfessionalControls and Connectors Power Mounting20/20 AD Front Panel Controls ConverterLevel Meters CompressorDisplay LinkSynchronization Output Formatting Alternate ModesTo activate Alternate modes Press and hold Then press one of these20/20 AD Rear Panel Connectors BAL/UNBALAudio Connections ConnectorsXLR Pinout AES/EBU CablesPdif Signal Type Pin Pin3 Signal Type Attenuator DBu DBVTermination and Grounding via Internal Jumpers These instructions are for use by qualified personnel only Word ClockAnalog Jumpers Balanced Unbalanced Input Signals Front panel Adjustments PK HoldAtten ChanSynchronization and Sample Rate AES Sync Word ClockStates Internal and External modesAbout Dither Psychoacoustically Optimized Noise Shaping Pons00k 10.0k 12.0k 14.0k 16.0k 18.0k Automatic Offset Removal Compressor Modes Dynamic Range CompressionInput Compressor Knob Values Gain Threshold ReleaseNon-linear Transfer FunctionsUsing the 20/20 AD Lexicon Link Digital Sinewave Generator Realigning Two DAT RecordingsGain Operating the 20/20 AD in the Digital Mode Specifications CmrrDefinition of Terms