:FUNCtion<m> Commands 20
Keysight InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide 499
The :FUNCtion<m>:SOURce1? query returns the current source1 for function
operations.
When :FUNCtion<m>:OPERation is TRENd, the :FUNCtion<m>:SOURce1? query
returns the source of the measurement.
Return Format
<value><NL>
<value> ::= {CHAN<n> | FUNC<c> | MATH<c> | WMEM<r> | BUS<b>}
See Also • "Introduction to :FUNCtion<m> Commands" on page 460
• ":FUNCtion<m>:OPERation" on page 490