B&K 2250 Light Uživatelský manuál stáhnout pdf (Strana 125)

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CHAPTER 10

1/1- or 1/3-octave Frequency Analysis (Optional Module)

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Fig.10.4

Scaling the Y-axis on the

Spectrum display

4) Select Auto Zoom to adjust the range of the Y-axis for best fit of the measured spectrum.

5) Select Zoom In/Zoom Out to adjust the zoom.

6) Select Scale Up/Scale Down to adjust the full scale value on the Y-axis – or select Auto

Scale to select the best scaling for viewing the spectra – without adjusting the zoom.

7) Spectrum Table shows the displayed part of the spectrum in tabular form – as in Fig.10.5.

Press the Table Format icon

at the top of the screen to select between three different

viewing formats:

• Two Parameters: for displaying values from both spectra

• One Parameter: for displaying values from the main spectrum only (available for

Reverberation Time Software only)

• One Parameter (wrap): for displaying values from the main spectrum only, but with

the columns wrapped on the display to allow as many values as possible on the screen

Fig.10.5

Spectrum table

1 2 ... 120 121 122 123 124 125 126 127 128 129 130 ... 331 332

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