GW Instek GDS-2000A series User Manual - Manual (Page 97)

MEASUREMENT
97
4. Press the Vertical Units key from
the side menu to select the vertical
units used.
Range Linear RMS, dBV RMS
5. Press the Window key from the side
menu and select the window type.
Range Hanning, Hamming, Rectangular,
and Blackman.
6. The FFT result appears. For FFT, the horizontal
scale changes from time to frequency, and the
vertical scale from voltage/current to dB/RMS.
Source
Math
Position and
Scale To move the FFT waveform vertically,
press Vertical until the Div parameter
is highlighted and then use the
Variable knob.
Range –12.00 Div ~ +12.00 Div
To select the vertical scale of the FFT
waveform, press Vertical until the dB
or voltage parameters are highlighted
and then use the Variable knob.
Range 2mV~1kV RMS, 1~20 dB