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L-Acoustics LA4X User Manual
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Document reference: LA4X owner's manual (EN) version 14.1
Distribution date: December 17, 2019
©
2019 L-Acoustics. All rights reser
ved.
No part of this publication may be reproduced or transmitted in any for
m or by any means without the
express written consent of the publisher
.
1
3
Table of Contents
Table of Contents
3
Safety
6
Important Safety Instructions
6
Additional Important Safety Instructions
7
Introduction
9
How to Use this Manual
9
Symbols
9
LA4X AmpliEd Controller
10
System Components
11
Technical Description
12
Main Features
12
Internal Components
12
Front and Rear Panels
12
Signal Processing and AmpliCation
13
Signal Inputs
13
DSP Architecture
14
Power Supply and AmpliEr Section
15
Speaker Outputs
15
Speaker Protection
15
Monitoring and Control
15
User Interface
15
L-NET Remote Control Network
15
Inspection and Preventive Maintenance
16
How to Do Preventive Maintenance
16
External Structure
16
Cleanness
17
Normal Start-Up Sequence
17
Network Functionalities and Rmware
17
Installation
18
Mounting
18
Ventilation
19
Connecting to AC Mains
19
Electrical SpeciCations
19
Planning the Power of the Electrical Generator
20
Power Cord
20
Plugging the AmpliEd Controller
20
Power Consumption
21
Heat Power Calculation
21
Audio and Network Cabling
21
Connection Panels
21
Analog Audio
24
Digital Audio
25
L-Net
25
Avb
26
Speaker
26
Operation
27
Powering on
27
Powering off
27
Setting to Standby Mode
27
Interpreting the Front Panel Leds
28
Status
28
L-Net
28
Meters
29
Out
29
Main Screen Description
30
Using Quick Access Functions
31
Locking/Unlocking the Front Panel
31
Muting/Unmuting an Output Channel
31
Modifying Gain
31
Identifying an AmpliEd Controller
32
Displaying Input Level, Input Selection, Input Mode and Group Information
33
Using the Main Menu
34
Load Preset
35
Store Preset
37
Delete Preset
38
Preset Parameters
38
Clear Group Params
40
Input Settings
41
Monitoring & Info
49
Options
52
Ip Settings
55
Settings Protection
59
Corrective Maintenance
61
Introduction
61
Presentation
61
Equipment and Tools
61
Troubleshooting and Diagnosis
62
Interface Issues
62
L-NET Network Issues
63
Error Messages
64
Sound Issues
66
Exploded View
68
External Modules
68
Disassembly and Reassembly Procedures
69
D/R - Grill and Foam Lter
69
D/R - Side Bracket
70
D/R - Rear Bracket
71
D/R - Front Handles
72
SpeciCations
73
General
73
Input Signal Distribution
74
Analog Input
74
Digital Input
75
Latency
75
Avb
76
Automatic Fallback Option
76
Remote Control and Monitoring
76
Physical Data
77
Appendix A - Glossary
78
Appendix B - List of AVB Reservation Errors
78
Appendix C - Approvals
81
Other manuals for L-Acoustics LA4X
User Manual
60 pages
Maintenance Manual
24 pages
Technical Bulletin
5 pages
Product Information
36 pages
5
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L-Acoustics LA4X Specifications
General
Brand
L-Acoustics
Model
LA4X
Category
Controller
Language
English
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