4.1 Introduction
Thank you for choosing the Lab.gruppen PLM Series
of Powered Loudspeaker Management systems for
your sound reinforcement needs. We are confident
that you will be pleased with the performance, unique
features, configuration flexibility, reliability, and long-
term durability offered by PLM Series products.
This document provides a brief introduction to the
features and functionality of the PLM Series of
Powered Loudspeaker Management systems. Please
read through thoroughly to become acquainted with
the basic configuration and control options available in
PLM Series products. Control and editing features are
accessible either via the intuitive front panel interface
or remotely with the included Dolby Lake Controller
PLM Edition software package.
In the following sections you’ll find the basic informa-
tion needed to safely install a PLM system and place
it in service. We do, however, highly recommend
reading through all of the product documentation
on the included CD-ROM in their entirety. As you
become thoroughly familiar with all aspects of the
PLM Series, you may learn about features and options
that will affect your choices of operational modes or
loudspeaker system configurations.
The Lab.gruppen PLM Series incorporates proven
Dolby Lake Processor technology and expands upon
it, providing a suite of load verification and perfor-
mance monitoring features. The power amplification
section builds on the foundation of the road-tested
FP+ and legendary fP Series, providing the
same powerful, tight bass and transpa-rent
high frequency response. In addition, the
PLM Series establishes new benchmarks for high
power and channel density in tandem with digital
signal processing, system management, and unique
protection features.
The Dolby Lake Controller PLM Edition software con-
tains system configuration, control, and monitoring
features not available in any other product. The key to
these features is the LoadLibrary™, a comprehensive
database that provides a unique fingerprint (load
characteristic) for each loudspeaker model in the
system. Using this data and on-board DSP, LoadS-
mart™ then compares predicted response with actual
system per formance response by applying a brief test
signal. Any potential problems are identified instantly.
During system use, SpeakerSafe™ monitors driver
performance in real time to avoid power compres-
sion and provide detailed critical information about
system-wide driver performance.
Thank you again for placing your confidence in
Lab.gruppen products.
4.2 Additional documentation
This document, the PLM Series Quick Start and Field
Reference Guide, serves as a basic introduction to
installation and operation of PLM Series Powered
Loudspeaker Management Systems. More detailed
information is available in the comprehensive PLM
Series Operation Manual.
Also, if you intend to use the PLM Series unit(s) as
part of networked systems, or access monitoring and
control features via the Dolby Lake Controller PLM
Edition software application, then you may need to
refer to the following complementary documents.
All are available on the included CD-ROM or online
as noted.
4.2.1 Lab.gruppen documents
The following documents are also available online
at www.labgruppen.com/index.php/support/
product_documentation/.
PLM Series Operation Manual – A comprehensive
guide to all operating features, including detailed
information on use of the front panel interface, as
well as a guide to digital audio signal distribution.
PLM Series Network Configuration Guide – This
document provides detailed information on creating
networks of PLM Series units, with sample network
topologies and specific recommendations for third-
party networking devices.
Dolby Lake Controller User Manual PLM Edition
Addendum – This document covers those features
and functions that are unique to the PLM Edition of
the Dolby Lake Controller software application.
Dolby Lake Controller Manual – This document
provides detailed information on features and func-
tions of Dolby Lake Controller exclusive of features
unique to the PLM Series. It is available for download
at: www.dolby.com/professional/live_sound/sup-
port_download/documentation.html.
WELCOME 4
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