Contents

1.0 Introduction

5

1.1

The Bose® FreeSpace® DXA 2120

 

 

Digital Mixer/Amplifier

5

1.2

Supplied with the product

5

1.3

Mixer/Amplifier accessories

5

2.0 Hardware Description

6

2.1

Front panel with open compartment

6

 

2.1.1 System Controls

6

 

2.1.2 Control Compartment

6

 

2.1.3 Input Controls

6

2.2

Front panel with compartment closed

6

2.3

Rear panel

7

 

2.3.1 Audio source inputs

7

 

2.3.2 Outputs

7

 

2.3.3 Control input

7

 

2.3.4 Power

7

 

2.3.5 Communication

7

3.0 Operation Mode Options

8

3.1

Operation mode options

8

 

3.1.1 Mixer Mode

8

 

3.1.2 Stereo Select Mode

9

 

3.1.3 Dual Mono Select Mode

9

4.0 Hardware Installation

10

4.1

Introduction

10

4.2

Included accessories

10

4.3

Placement guidelines

10

4.4

Shelf mounting the chassis

10

4.5

Rack mounting the chassis

10

4.6

User interface (accessory)

11

 

4.6.1 User interface installation

11

 

4.6.1.1 Additional equipment

 

 

required (not supplied)

11

 

4.6.1.2 Assembly

11

 

4.6.1.3 Recommended cable lengths

11

 

4.6.1.4 User interface connections

11

 

4.6.1.5 User interface wiring

12

 

4.6.1.6 Detailed schematics of

 

 

user interfaces

12

4.7

System wiring

12

 

4.7.1 LINE 1-4 source inputs

12

 

4.7.1.1 RCA connections

12

 

4.7.1.2 Euroblock connections

13

 

4.7.2 DIRECT source input

13

 

4.7.3 PAGE source input

14

 

4.7.4 OUTPUT connections

14

 

4.7.5 AUX output connection

15

4.8 AC POWER connection

15

 

4.8.1 Input voltage setting (120 or 220-240V) ....

15

 

4.8.2 Fuse type

15

 

4.8.3 AC POWER connection

15

4.9 DC POWER connection

15

5.0 System Setup

16

5.1

System setup introduction

16

5.2

System setup procedure

16

 

5.2.1 Selecting an operation mode

16

 

5.2.2 Setting the options for that mode

16

5.3

Mixer Mode settings

17

5.4

Stereo Select Mode settings

22

5.5

Dual Mono Select Mode settings

26

5.6

Overview of Utility Mode settings

30

6.0 User Interfaces

31

6.1

User interface use

31

 

6.1.1 Mode user interface requirements

31

 

6.1.1.1 Mixer Mode user interface

 

 

application

31

 

6.1.1.2 Stereo Select Mode

 

 

user interface application

31

 

6.1.1.3 Dual Mono Select Mode

 

 

user interface application

31

7.0 Troubleshooting Table

32

7.1

Technical assistance

32

8.0 Reference

33

8.1

Factory Default Settings

33

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Bose DXA2120 manual Contents