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636 Keysight InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide

24 :MEASure Commands

:MEASure:VTOP

(see page 1610)

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> ::= vertical value at the top of the waveform in NR3 format

See Also • "Introduction to :MEASure Commands" on page 568

• ":MEASure:SOURce" on page 615

• ":MEASure:VMAX" on page 631

• ":MEASure:VAMPlitude" on page 628

• ":MEASure:VBASe" on page 630

NOTE

This query is not available if the source is FFT (Fast Fourier Transform).

Keysight Technologies InfiniiVision 4000 X Series User Manual

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