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380 Keysight InfiniiVision DSOX1204A/G Oscilloscopes Programmer's Guide

20 :MEASure Commands

:MEASure:SOURce

(see page 798)

Command Syntax

:MEASure:SOURce <source1>[,<source2>]

<source1>,<source2> ::= {CHANnel<n> | FUNCtion

| MATH | WMEMory<r> | EXTernal}

<n> ::= 1 to (# of analog channels) in NR1 format

<r> ::= 1-2 in NR1 format

The :MEASure:SOURce command sets the default sources for measurements. The

specified sources are used as the sources for the MEASure subsystem commands

if the sources are not explicitly set with the command.

If a source is specified for any measurement, the current source is changed to this

new value.

If :MARKer:MODE is set to OFF or MANual, setting :MEASure:SOURce to

CHANnel<n>, FUNCtion, or MATH will also set :MARKer:X1Y1source to source1

and :MARKer:X2Y2source to source2.

EXTernal is only a valid source for the counter measurement (and <source1>).

Query Syntax

:MEASure:SOURce?

The :MEASure:SOURce? query returns the current source selections. Source2

applies only to :MEASure:DELay and :MEASure:PHASe measurements.

Return Format

|EXT}

See Also: • "Introduction to :MEASure Commands" on page 350

• ":MARKer:MODE" on page 328

• ":MARKer:X1Y1source" on page 330

• ":MARKer:X2Y2source" on page 332

• ":MEASure:DELay" on page 359

• ":MEASure:PHASe" on page 372

Example Code

' MEASURE - The commands in the MEASURE subsystem are used to make

' measurements on displayed waveforms.

myScope.WriteString ":MEASURE:SOURCE CHANNEL1" ' Source to measure.

myScope.WriteString ":MEASURE:FREQUENCY?" ' Query for frequency.

NOTE

MATH is an alias for FUNCtion. The query will return FUNC if the source is FUNCtion or MATH.

Keysight Technologies InfiniiVision DSOX1204G User Manual

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