Keysight Technologies InfiniiVision 4000 X Series User Manual

474 Keysight InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide
20 :FUNCtion<m> Commands
:FUNCtion<m>[:FFT]:FREQuency:STARt
(see page 1610)
Command Syntax
:FUNCtion<m>[:FFT]:FREQuency:STARt <frequency>
<m> ::= 1 to (# math functions) in NR1 format
<frequency> ::= the start frequency in NR3 format.
The :FUNCtion<m>[:FFT]:FREQuency:STARt command sets the start frequency in
the FFT (Fast Fourier Transform) math function's displayed range.
The FFT (Fast Fourier Transform) math function's displayed range can also be set
with the :FUNCtion<m>[:FFT]:CENTer and :FUNCtion<m>[:FFT]:SPAN commands.
Query Syntax
:FUNCtion<m>[:FFT]:FREQuency:STARt?
The :FUNCtion<m>[:FFT]:FREQuency:STARt? query returns the current start
frequency in Hertz.
Return Format
<frequency><NL>
<frequency> ::= the start frequency in NR3 format.
See Also • ":FUNCtion<m>[:FFT]:FREQuency:STOP" on page 475
• ":FUNCtion<m>[:FFT]:CENTer" on page 471
• ":FUNCtion<m>[:FFT]:SPAN" on page 480

Keysight Technologies InfiniiVision 4000 X Series Specifications

General

Brand	Keysight Technologies
Model	InfiniiVision 4000 X Series
Category	Test Equipment
Language	English