404 Keysight InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide
18 :FUNCtion<m> Commands
:FUNCtion<m>[:FFT]:FREQuency:STOP
(see page 1428)
Command Syntax
:FUNCtion<m>[:FFT]:FREQuency:STOP <frequency>
<m> ::= 1 to (# math functions) in NR1 format
<frequency> ::= the stop frequency in NR3 format.
The :FUNCtion<m>[:FFT]:FREQuency:STOP command sets the stop 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:STOP?
The :FUNCtion<m>[:FFT]:FREQuency:STOP? query returns returns the current stop
frequency in Hertz.
Return Format
<frequency><NL>
<frequency> ::= the stop frequency in NR3 format.
See Also • ":FUNCtion<m>[:FFT]:FREQuency:STARt" on page 403
• ":FUNCtion<m>[:FFT]:CENTer" on page 402
• ":FUNCtion<m>[:FFT]:SPAN" on page 407
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