Dolby Laboratories DP524 user manual

Model DP524

Two-Channel AC-2 / AC-3

Digital Audio Decoder

Users' Manual

MAIN

Contents

Main Page Users' Manual For Model DP524 AC-2 / AC-3 Two-Channel Digital Audio Decoder Dolby Laboratories Incorporated Page TABLE OF CONTENTS Page SECTION 1 INTRODUCTION 1.1 Introduction 1.3 Dolby AC-3 and AC-2 1.4 Data Rates, Sample Rates and Channels 1.5 Regulatory Notices FCC UL UK 1-5 IEC NOTICES Page SECTION 2 APPLICATIONS 2.1 Cable 2.2 Telecommunications Page SECTION 3 PRE-INSTALLATION 3.1 Unpacking 3.2 Inspection 3.2.1 Claims for Shipping Damage 3.3 Fusing Information Main Fuse 3.4 Configuring Jumper Settings Note handles. These do not need to be removed. S101 DP524 MOTHERBOARD 1 J103 J105 3.5 Configuring the Rear Panel DIP Switch S101 3.5.1 Switch nos. 1, 7 & 8 - Test Tone 3.5.2 Switch nos. 2, 5 & 6 Software Download 3.5.3 Switch no. 3 - Digital Output Format Selection 3.5.4 Switch nos. 4, 5 & 6 - Command/Aux Data SECTION 4 INSTALLATION 4.1 Mounting 4.2 Audio Connections 4.2.1 S/PDIF Output - J102 4.2.2 AES/EBU Output - J101 4.2.3 Analog Outputs - J106/7 4.3 Data, Status, and Remote Control Connections 4.3.1 Encoded Data In & Timing - J103 4.3.2 RS-232 (J105) 4.3.3 RS-422 (J106) 4.3.4 Parallel Status and Control (J104) Page 5.1 Front Panel Status Indicators 5.2 Rear Panel Level Controls 5.3 Test Tone Level 5.4 Software Downloading Procedure SECTION 6 INTERFACE SPECIFICATION AND DESCRIPTION 6.1 DP524 Interface Specifications AES/EBU Digital Audio Output, J101 S/PDIF Digital Audio Output, J102 Encoded Data In and Timing, J103, 37-pin D-connector: 6-2 Status / Control, J104, 25-pin D-connector: RS-232 Port, J105 Analog Audio Input, J106 & J107 XLR-type connectors 6.2 RS-449 Interface Description 6.2.1 Functional Description 6.2.2 Interface Timing 6.2.3 Back-to-Back Testing 6.3 Serial Control 6.3.1 System related commands Command $14: Enable/Disable Test Tone Command $18: Return System Status Command $19: Return System Contents Command $1A: Return Current Algorithm Command $1B: Return Current bitrate. 6.3.2 AC-3 Related commands Command $40: High Level Dynamic Range control Command $41: Low Level Dynamic Range control Command $42: Set Compression mode SECTION 7 DP524 SPECIFICATION Specifications 7-2 7-3 General