L-Acoustics LA4 User Manual - page 8
LA4
LA4
LA4
LA4
Amplified Controller
Amplified Controller
Amplified Controller
Amplified Controller
USER MANUAL
USER MANUAL
USER MANUAL
USER MANUAL
VERSION 1.3.0.32A
LA4_UM_EN_1.3.0.32a
w w w . l - a c o u s t i c s . c o m
6
6
6
6
2
2
2
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CONTENTS
CONTENTS
CONTENTS
CONTENTS
1
SAFETY WARNINGS
1
1.1
Symbol description ............................................................................................................................................1
1.1.1
Symbols employed in this manual ........................................................................................................1
1.1.2
Symbols indicated on the product .......................................................................................................1
1.2
Important safety instructions..............................................................................................................................2
1.3
EC declaration of conformity .............................................................................................................................5
2
CONTENTS
6
3
INTRODUCTION
8
3.1
Welcome to L-ACOUSTICS
®
............................................................................................................................8
3.2
Unpacking .........................................................................................................................................................8
4
SYSTEM APPROACH
9
4.1
Presentation ......................................................................................................................................................9
4.2
System configurations ........................................................................................................................................9
5
LA4 AMPLIFIED CONTROLLER
11
5.1
Front and rear panels.......................................................................................................................................11
5.2
Main features...................................................................................................................................................12
5.2.1
Simplified block diagram ...................................................................................................................12
5.2.2
DSP Architecture..............................................................................................................................12
5.2.3
A/D Converters................................................................................................................................13
5.2.4
Amplifier section...............................................................................................................................13
5.2.5
User interface...................................................................................................................................14
5.2.6
L-NET Remote Control Network.....................................................................................................14
5.2.7
Digital Audio Network......................................................................................................................14
5.2.8
LA NETWORK MANAGER PC Software..........................................................................................14
6
INSTALLATION
15
6.1
Mounting.........................................................................................................................................................15
6.2
Cooling............................................................................................................................................................16
6.3
Connecting to AC mains ..................................................................................................................................16
6.3.1
Operating voltage .............................................................................................................................16
6.3.2
Circuit breaker .................................................................................................................................16
6.3.3
Power plug and wiring ......................................................................................................................16
6.4
On/Off Switch .................................................................................................................................................17
6.5
Wiring .............................................................................................................................................................18
6.5.1
XLR input connectors.......................................................................................................................18
6.5.2
Speakon
®
output connectors ............................................................................................................19
6.5.3
L-NET Wiring...................................................................................................................................20
6.6
Power consumption ........................................................................................................................................20
6.7
Heat power calculation....................................................................................................................................20
7
OPERATION
21
7.1
Quick access....................................................................................................................................................21
7.1.1
Output channel Mute control............................................................................................................21
7.1.2
Input & Output Gain control .............................................................................................................22
7.1.3
Front panel Lock / Unlock control.....................................................................................................22
7.2
Main Screen.....................................................................................................................................................22
7.3
User interface menu ........................................................................................................................................24
7.3.1
Introduction......................................................................................................................................24
7.3.2
LOAD PRESET (user: 1 to 10, manufacturer: 11 to 99) .....................................................................25
7.3.3
STORE PRESET (User memories 1 to 10).........................................................................................26
7.3.4
DELETE PRESET (User memories 1 to 10).......................................................................................27
7.3.5
PRESET PARAMETERS.....................................................................................................................28