System Subsystem - HP 8647A Operation And Service Manual

SYSTem Subsystem
SYSTem
:
ERRor?
Returns any system error message. The format of the response is
<error number>, <error string>.
Returns a formatted numeric value corresponding to the SCPI version
number for which the instrument complies. The format of the
response
is YYYYV.
The Ys represent the year version (for example,
1990) and the V represents an approved revision number for that
year.
: VERSion?
2.20 HP-IB Programming