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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
FS_Mixer_AmplifierTOC.fm Page 4 Monday, February 12, 2007 8:49 AM