:MEASure Commands 22
Keysight InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide 529
:MEASure:SOURce
(see page 1428)
Command Syntax
:MEASure:SOURce <source1>[,<source2>]
<source1>,<source2> ::= {<digital channels> | CHANnel<n> | FUNCtion
| MATH | WMEMory<r> | EXTernal}
<digital channels> ::= DIGital<d> for the MSO models
<n> ::= 1 to (# of analog channels) in NR1 format
<r> ::= 1-2 in NR1 format
<d> ::= 0 to (# digital channels - 1) 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. If source2 is
not specified, the query returns "NONE" for source2. If all channels are off, the
query returns "NONE,NONE". Source2 only applies to :MEASure:DELay and
:MEASure:PHASe measurements.
Return Format
<source1>,<source2><NL>
<source1>,<source2> ::= {<digital channels> | CHAN<n> | FUNC | WMWM<r>
| EXT | NONE}
See Also: • "Introduction to :MEASure Commands" on page 488
• ":MARKer:MODE" on page 455
• ":MARKer:X1Y1source" on page 458
• ":MARKer:X2Y2source" on page 461
• ":MEASure:DELay" on page 500
• ":MEASure:PHASe" on page 519
MATH is an alias for FUNCtion. The query will return FUNC if the source is FUNCtion or MATH.
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