Programming Guide

Digital Oscilloscopes Series
61
FUNCTION
FFT_SCALE,FFTS
Command /Query
DESCRIPTION
The FFT_SCALE command selects the specified
scale of FFT (Fast Fourier Transform algorithm).
The response to the FFT_SCALE? query indicates
current vertical scale of FFT waveform.
COMMAND SYNTAX
FFT_SCALE <scale>
< scale > : = {VRMS,DBVRMS}
QUERY SYNTAX
FFT_SCALE?
RESPONSE FORMAT
FFT_SCALE,< scale >
EXAMPLE
The following command turns the vertical scale of
FFT to dBVrms:
Command message:
FFTS DBVRMS