Velleman PCS100A pcs100 - pcs500 - k8031 - Manual (Page 15)

PCS500 / PCS100 / K8031
15
Spectrum analyzer mode (FFT)
FREQ. RANGE
Sets the frequency range of the display. It is necessary to slide the screen
using X-POSITION in order to see the full range.
LOG/LIN
To display the frequency on a linear or logarithmic scale.
ZOOM x1, x2, x4, x8
In order to expand the screen X1, X2, X4 or X8