LeCroy 9400A Manual page 190

Digital oscilloscope
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<source> = < CHANNEL 1
(Cl)
(default)
< CHANNEL-2
(C2)
< MEMORY C
(MC)
< MEMORY-D
(MD)
< FUNCTION E (FE)
NOTE: FUNCTION E can be a source only for FUNCTION_F.
<window> = < RECTANGULAR
(RECT)
(default)
< V0N HANN
(HANN)
< HAMMING
(HAHN)
< FLAT TOP
(FLT)
< BLACKMAN HARRIS
(BH)
<m fact> = 0.01 to 9.99
(default = 1.0)
Multiplication factor applied to
waveform before FFT computation.
the source
<a const> = -9.99 to 9.99 (default = 0.0)
Additive constant (divisions) applied to the
source waveform before multiplication.
<z_suppr> = <OFF>
<ON>
(default)
If ON,
the
DC component
of the
source
waveform is forced to O.
The 'redefine'
command has
also
been
extended
to accept
the
parameters
related
to the
FFT Power Average:
REDEFINE (RDF),
FFT AVG (FFTA), <dlsp_type>, <nsweeps>
The parameters
have the
following options:
<disp_type> = < POWER SPECTRUM (PWS)
< POWER-DENSITY
(PWD)
< MAGNITUDE
(MAG)
(default)
<nsweeps> =
<
I0
>
<
20
>
<
50
>
< I00
>
< 200
>
(default)
Any other number generates a semantic error.
11-8
Fast Fourier Waveform Processing
Option (WP02, V 2.06FT)

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