Svantek SV 973, User Manual

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SVAN 973 User Manual 68
10.3.2 Adjusting spectrum plot scale
– Display Scale
The Disp. Scale position allows you to change the scale
of the spectrum plot and switch the grid and automatic
scale adjustment on/off.
<ENT>
Scaling vertical axis
The Dynamics position enables selecting the required
scale dynamic range of the spectrum plot. It is possible
to select the range from the set:
10dB , 20dB , 40dB ,
80dB and 120dB .
The attached example shows spectrum view with 80dB
and 40dB dynamics.
Switching grid on/off
The Grid position switches on or off the grid in the
spectrum view.
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Automatic Y-scale adjustment
The Autoscale position switches on or off the automatic
adjustment of the Y-axis scale dynamic range to the
current spread between lowest and highest measured
octave or third octave results.
<Start>
10.3.3 Selection of spectra to be viewed
– Spectrum View
In the Spectrum View screen, which appears in the
1/1 Octave or 1/3 Octave functions, you can select
different spectra to be visible on the display
(
Spect. Type ): Averaged , Instantaneous , Max , Min
and Peak .
Below are views of different spectra. ►
Minimum and maximum spectra can be presented at the
same plot with the
Averaged and Instantaneous
spectrum when the Max or/and Min parameter is
switched on.
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