RIGOL DG1000Z Series - Manual (Page 214)

RIGOL Chapter 2 Command System
2-202 DG1000Z Programming Guide
:SYSTem:VERSion?
Syntax :SYSTem:VERSion?
Description Query the system SCPI version information.
Return Format The query returns a string in YYYY.V form; wherein, YYYY denotes the year of the
version and V denotes the edition in that year. For example, 1999.0.