Larson Davis System 824, Technical Reference Manual

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9/29/09 Overview 2-1
C H A P T E R
2
Overview
This Chapter presents a general overview of the structure of
the Model 824, an example of selecting a Setup or Instru-
ment Definition (ID), performing a measurement and storing
the data. Subsequent chapters will deal specifically with
these steps in a more structured manner.
System 824 Setups or Instrument Definitions
The power and flexibility of the System 824 gives you a
variety of measurement possibilities. The System 824 has a
number of distinct setups or Instrument Definitions (ID)
from which you can select the one best suited for a particular
application. You can, of course, modify any instrument
definition for another application and add it to the existing
list of instrument definitions.
The System 824 was designed to be
upgraded with new instrument
capabilities as they are made
available. Please contact
Larson•Davis for information on the
latest available upgrades. An ID name consists of an eight character name followed by
a three character extension called the Instrument Type. Some
IDs presently available are: SLM&RTA.SSA, SLM.ISM and
Logging.LOG.
The complete ID consists of its name and an instrument
setup based on one of the available Instrument Types. There
are a number of factory supplied setups available for use by
the user. In order to create a new setup, modify an existing
ID and store it under a different name as a new setup. The
Instrument Type will remain the same as that of the ID used
to create it. Thus, a new setup created for the measurement
of environmental noise by modifying the Logging.LOG ID
might become ENV.LOG.