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TABLE OF CONTENTS
SECTION 1–INTRODUCTION............................................................................................. 1-1
1.1 The SDU4 ......................................................................................................................... 1-1
1.2 Specifications .................................................................................................................. 1-2
1.3 Regulatory Notices ....................................................................................................... 1-3
SECTION 2–INSTALLATION & CALIBRATION........................................................... 2-1
2.1 Monitor Setup .................................................................................................................2 -1
Front Loudspeaker Arrangement ......................................................................... 2-1
Surround Loudspeakers.......................................................................................... 2-2
Equalization............................................................................................................... 2-2
2.2 Mains Fuse and Voltage Selection.............................................................................. 2-2
2.2.1 230V-Only SDU4 ............................................................................................2 -2
2.2.2 Multi-Voltage SDU4 ...................................................................................... 2 -3
2.3 Audio Connections ....................................................................................................... 2 -3
2.3.1 External Facilities Connector (J503)........................................................... 2 -4
2.4 Set-Up Options ............................................................................................................... 2-4
Center Speaker Switch............................................................................................. 2-5
Wake-Up Mode Selection ....................................................................................... 2-6
External Master Level Control Switch................................................................. 2 -6
Surround Delay Setting on the Cat No 150......................................................... 2-6
2.5 Input Level Setting......................................................................................................... 2-7
2.6 Output Level Setting ..................................................................................................... 2-8
Output Level Adjustments..................................................................................... 2- 9
Master Level Control ............................................................................................... 2 -9
SECTION 3–OPERATION...................................................................................................... 3- 1
3.1 Operating Modes and Applications........................................................................... 3-1
Mono ........................................................................................................................... 3-1
Stereo........................................................................................................................... 3-1
Dolby Surround ........................................................................................................3 -1
3.2 Detailed Applications.................................................................................................... 3-1
Broadcast .................................................................................................................... 3-1
Music Recording For Dolby Stereo Films ........................................................... 3-3
Surround Productions ............................................................................................. 3 -3
SECTION 4–BLOCK DIAGRAM.......................................................................................... 4- 1
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