EAW DSA230i, DSA250i owner manual Contents

CONTENTS

Safety Precautions - Read This First . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i EC Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

Chapter 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Chapter 2 Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.2 Shipping Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.3 Returning Products to EAW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Chapter 3 Quick Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3.1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3.2 Audio Signal Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3.3 Computer Control Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.4Daisy Chaining Audio and Computer Signal

	Between Modules	5
3.5	AC Mains Installation	5
3.5.1	AC Mains Supply	5
3.5.2	AC Mains Cable	5
3.6	Physical Installation	6
3.6.1	Orientation	6
3.6.2	Mounting	6
3.7	Signal Processing	7
Chapter 4	Description	7
4.1	System Overview	7
4.1.1	DSAi Series Models	7
4.1.2	Acoustical Benefits	8
4.1.3	Physical Benefits	8
4.1.4	Electrical Benefits	8
4.2	Features	8
4.2.1	Acoustical	8
4.2.2	Electronic	9
4.2.3	Computer Control	9
4.2.4	Networking	9
4.2.5	Physical	9
4.3	Applications	10
4.4	Engineering Design	10
4.5	DSAPilot	12
4.6	Low Frequency Performance	12
4.7	Comparison to Traditional Products	12
4.8	Designing DSAi Systems	12
Chapter 5	Installation	13
5.1	Analog Audio and EIA-485 Computer Control	13
5.1.1	Cable Routing Considerations	13
5.1.2	Audio Signal Connection	14
5.1.3	Computer Control Connection	14
5.1.4	Daisy Chaining Computer and Audio Signals
	Within Clusters with Multiple Modules	14
5.1.5	Daisy Chaining Computer and Audio Signals
	Between Clusters	15
5.1.6	EIA-485 Terminate Switch	15
5.2	CobraNet Audio and Computer Control	16
5.2.1	Description	16
5.2.2	CobraNet is Usually Desirable To Use When	16
5.2.3	Additional Equipment You Must Supply For CobraNet	16
5.2.4	Cabling	17
5.2.5	Audio/Computer Interface	17
5.2.6	Module Interface	17
5.2.7	Multiple Modules	17
5.2.8	Support For CobraNet/Ethernet	17
5.3	Fault Detect - Supervisory Monitoring	18
5.3.1	Fault Detect Relay Operation	18
5.3.2	Fault Detect Connections	18
5.3.3	Supervisory Circuits	19
5.4	AC Mains Power Connection	20
5.4.1	AC Mains Supply	20	1
5.4.2	AC Mains Cable	20