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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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