1
USER MANUAL HEADLINES
Unpacking 2
Warnings
2
User responsibility 2
1.
Speaker damage
2.
Speaker output hazard.
3.
Radio interference
.
Introduction
3
1.
Front panel
2.
Rear panel
Installation
4
1.
Mounting
2.
Cooling
3.
Operating voltage
4.
Grounding
5.
Power consumption
6.
Denmark: National deviation
7.
Switzerland: National deviation
8.
Input connections
9.
Connecting speakers
10.
Impedance matching (MLS-switches)
Operation modes
8
1.
Stereo
2.
Tandem mono
3.
Bridged mono
4.
Stereo reverse
Operation
8
1.
Operation precautions
2.
Powering up -Soft start
3.
Input attenuators
4.
Gain switch
5.
Indicators
Protections
9
1.
Clip-limiter
2.
Thermal protection
3.
VHF protection
4.
Short circuit protection
5.
Adaptive Fuse Saver (AFS)
6.
AC mains voltage protection
7.
D.C. protection
Design features
10
•
Cooling
•
Light weight
•
Regulated power supply
•
Safety approvals
•
EMC approvals
Specifications
11
•
EMC-declaration
Appendix A
12
•
Mains voltage selection
Maintenance
12
Troubleshooting
12
Warranty and disclaimers
13
•
General
•
International
Technical assistance and services 13
•
International
•
Factory services
LAB 4000
USER MANUAL
Rev. 3