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Wootton Bassett, Wiltshire SN4 8QJ Tel: 01793-842100; Fax: 01793-842101 DISCLAIMER OF WARRANTIES: Equipment manufactured by Dolby Laboratories is warranted against defects in materials and workmanship for a period of one year from the date of purchase. All warranties, conditions or other terms implied by statute are excluded to the fullest extent allowed by law. LIMITATION OF LIABILITY: It is understood and agreed that Dolby Laboratories’ liability whether in contract, in tort, under any warranty, in negligence or otherwise shall not exceed the cost of repair or replacement of the defective components and under no circumstances shall Dolby Laboratories be liable for incidental, special, direct, indirect or consequential damages (including but not limited to damage to software or recorded audio or visual material), or loss of use, revenue or profit even if Dolby Laboratories or its agents have been advised, orally or in writing, of the possibility of such damages. This unit complies with the EMC requirements of prEN55103-1 and -2 when installed in accordance with this manual in an E2 environment Dolby and the double-D symbol are registered trademarks of Dolby Laboratories Licensing Corporation. ©1998 Dolby Laboratories Inc. ISSUE 3 S98/10536/11869 (MAIN) MAIN Dolby Part No. 91394 (MAIN) MAIN TABLE OF CONTENTS SECTION 1 Introduction 1.1 Introduction ...................................................................................................1-1 1.3 Dolby AC-3 and AC-2...................................................................................1-2 1.4 Data Rates, Sample Rates and Channels.......................................................1-3 1.5 Regulatory Notices........................................................................................1-4 SECTION 2 Applications SECTION 3 Pre-Installation 3.1 Unpacking......................................................................................................3-1 3.2 Inspection ......................................................................................................3-1 3.2.1 Claims for Shipping Damage ......................................................3-1 3.3 Fusing Information........................................................................................3-1 Main Fuse................................................................................................3-1 Internal Fuse............................................................................................3-2 3.4 Configuring Jumper Settings.........................................................................3-2 3.4.1 Jumpers for Encoded Data In & Timing (J103)............................3-4 Receive Timing / Receive Data Termination..............................3-4 Request to Send / Terminal Ready Enable..................................3-4 3.4.2 Signal Ground-to-Chassis Link...................................................3-4 3.5 Configuring the Rear Panel DIP Switch S101...............................................3-4 3.5.1 Switch nos. 1, 7 & 8 - Test Tone.................................................3-5 3.5.2 Switch nos. 2, 5 & 6 Software Download..................................3-5 3.5.3 Switch no. 3 - Digital Output Format Selection..........................3-6 3.5.4 Switch nos. 4, 5 & 6 - Command/Aux Data................................3-6 SECTION 4 Installation 4.1 Mounting.......................................................................................................4-1 4.2 Audio Connections........................................................................................4-1 4.2.1 S/PDIF Output - J102..................................................................4-1 4.2.2 AES/EBU Output - J101 .............................................................4-1 4.2.3 Analog Outputs - J106/7..............................................................4-1 4.3 Data, Status, and Remote Control Connections ............................................4-2 4.3.1 Encoded Data In & Timing - J103...............................................4-2 4.3.2 RS-232 (J105)..............................................................................4-2 4.3.3 RS-422 (J106)..............................................................................4-3 4.3.4 Parallel Status and Control (J104)...............................................4-3 SECTION 5 Operation 5.1 Front Panel Status Indicators.........................................................................5-1 5.2 Rear Panel Level Controls.............................................................................5-2 5.3 Test Tone Level.............................................................................................5-2 5.4 Software Downloading Procedure.................................................................5-2 (MAIN) MAIN SECTION 6 Interface Specification and Description SECTION 6 Interface Specification and Description 1 AES/EBU Digital Audio Output, J101 ....