259
Keysight InfiniiVision DSOX1204A/G Oscilloscopes
Programmer's Guide
15 :FFT Commands
Control functions in the measurement/storage module. See "Introduction to :FFT
Commands" on page 260.
Table 60 :FFT Commands Summary
Command Query Options and Query Returns
:FFT:CENTer
<frequency> (see
page 261)
:FFT:CENTer? (see
page 261)
<frequency> ::= the current
center frequency in NR3 format.
The range of legal values is from
-25 GHz to 25 GHz.
:FFT:DISPlay {{0 |
OFF} | {1 | ON}} (see
page 262)
:FFT:DISPlay? (see
page 262)
<s> ::= 1-6, in NR1 format.
{0 | 1}
:FFT:OFFSet <offset>
(see page 263)
:FFT:OFFSet? (see
page 263)
<offset> ::= the value at center
screen in NR3 format.
:FFT:RANGe <range>
(see page 264)
:FFT:RANGe? (see
page 264)
<range> ::= the full-scale
vertical axis value in NR3
format.
:FFT:REFerence
<level> (see page 265)
:FFT:REFerence? (see
page 265)
<level> ::= the current reference
level in NR3 format.
:FFT:SCALe
<scale_value>[<suffix
>] (see page 266)
:FFT:SCALe? (see
page 266)
<scale_value> ::= integer in NR1
format.
<suffix> ::= dB
:FFT:SOURce1 <source>
(see page 267)
:FFT:SOURce1? (see
page 267)
<source> ::= {CHANnel<n> |
FUNCtion<c> | MATH<c>}
<n> ::= 1 to (# analog channels)
in NR1 format.
<c> ::= {1 | 2}
:FFT:SPAN <span> (see
page 268)
:FFT:SPAN? (see
page 268)
<span> ::= the current frequency
span in NR3 format. Legal values
are 1 Hz to 100 GHz.