B&K 2250 Light, User Manual, Page: 102 / 208

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2250 Light – User Manual
FREQUENCY ANALYZER 1/1-OCTAVE (or 1/3-OCTAVE), tap on the black bar at
the top of the screen and select FREQUENCY ANALYZER 1/1-OCTAVE (or 1/3-
OCTAVE) from the drop-down that appears.
2) Tap the Main Menu icon and select Setup from the list of options. Set the Broadband
and Spectrum parameter to A, B, C or Z, as required. (A/B-weighting is determined by
setting the parameter in Setup , Frequency Weightings , Broadband (excl. Peak) ).
To exit the screen, tap on the icon.
Fig.10.1
Setting the frequency
weighting and bandwidth
parameters
Under the Signal Recording parameters, choose the settings for recording the signal while
making the measurement – see Chapter 12.
Under the Tone Assessment parameters, choose the settings for Tone Assessment – see
Chapter 13.
10.2 Controlling the Measurement
The measurement is controlled in the same way you would control a normal sound level
meter measurement, using
Start/Pause , Continue , Back-erase and Reset
pushbuttons, see Chapter 3 for more details.
10.3 Displaying the Results
The frequency analyzer measurement screen includes three tabs at the bottom: Spectrum ,
Broadband and XL View (Extra Large View). The tabs allow you to choose different ways
of displaying the measurement results. All but the Spectrum tab have been covered previously
in Chapter 3, however, a quick recap is provided below.