Keysight RP7970 Serie Manuel D'utilisation page 231

SYSTem:VERSion?
Returns the SCPI version that the instrument complies with. Cannot be determined from front panel.
Parameter
(none)
Return the SCPI version: SYST:VERS?
The command returns a string in the form "YYYY.V", where YYYY represents the year of the version
l
and V represents a version for that year.
Keysight RP7970 & RP7980 Series Operating and Service Guide
5 SCPI Programming Reference
Typical Return
<"version">
231