550 Keysight InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide
22 :MEASure Commands
:MEASure:VTOP
(see page 1428)
Command Syntax
:MEASure:VTOP [<source>]
<source> ::= {CHANnel<n> | FUNCtion<m> | MATH<m>}
<n> ::= 1-2 or 1-4 (# of analog channels) in NR1 format
<m> ::= 1 to (# math functions) in NR1 format
<r> ::= 1 to (# ref waveforms) in NR1 format
The :MEASure:VTOP command installs a screen measurement and starts a
waveform top value measurement.
Query Syntax
:MEASure:VTOP? [<source>]
The :MEASure:VTOP? query returns the vertical value at the top of the waveform.
The top value of the pulse is normally not the same as the maximum value.
Return Format
<value><NL>
<value> ::= vertical value at the top of the waveform in NR3 format
See Also • "Introduction to :MEASure Commands" on page 488
• ":MEASure:SOURce" on page 529
• ":MEASure:VMAX" on page 544
• ":MEASure:VAMPlitude" on page 541
• ":MEASure:VBASe" on page 543
This query is not available if the source is FFT (Fast Fourier Transform).
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