
1
Chapter 1
Introduction
1.1 Welcome
This user manual describes the 2250 Light (Type 2250-L), including:
• Sound Level Meter Software for 2250 Light, BZ-7130
• 1/1-octave Frequency Analysis Software for 2250 Light, BZ-7131
• 1/3-octave Frequency Analysis Software for 2250 Light, BZ-7132
• Logging Software for 2250 Light, BZ-7133
• Signal Recording Option BZ-7226
• Tone Assessment Option BZ-7231
The manual explains how to perform a basic sound measurement, which parameters you can
measure and how the hand-held analyzer should be operated. In addition, some practical hints
and guidelines are provided, including all relevant technical specifications. Finally, a glossary is
added to help with specific terminology found in this manual.
This manual is intended for all hardware versions (from 1 to 4). All hardware versions
support the latest application software covered in this manual.
1.2 How to Use this Manual
1.2.1 Conventions Used in this Manual
“Analyzer” refers to 2250 Light (Type 2250-L) unless otherwise specified.
Instructions and descriptions that refer to the analyzer pushbuttons are shown with the
pushbutton icons as seen on the analyzer. See Chapter 2 for a list of pushbutton icons and their
functions.
Icons, Buttons and Tabs Used on the Screen
Indicated by bold type face (for example, tap the Main Menu icon).
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