User`s manual
:FREQuency:POINts?
[SOURce:]LIST2:FREQuency:POINts? returns a number that shows the length of
the currently defined frequency list.
Comments • Executable when Initiated: Yes
• Coupling Group: None
• *RST Condition: Unaffected
• Power-On Condition: No frequency list is defined
Example Query the Frequency List Length
LIST:FREQ2:POIN? Queries frequency list length.
[SOURce:]LIST2
360 Command Reference Chapter 8