Agilent Technologies Agilent 33500 Series Operating And Service Manual page 308

SYSTem:VERSion?
Returns version of the SCPI (Standard Commands for Programmable Instruments) that the instrument complies with.
Cannot be determined from front panel.
Parameter Typical Return
(none) 1994
Return the SCPI version:
SYST:VERS?
Interface Locking Examples
The following series of commands illustrates usage.
Initial State = unlocked, Count = 0
<FROM USB>
State = locked, Count = 1
<FROM LAN>
State = locked, Count = 1
<FROM USB>
State = locked, Count = 2
<FROM USB>
State = locked, Count = 1
<FROM USB>
State = unlocked, Count = 0
Note that for each successful lock request, a lock release is required. Two requests require two releases.
Agilent 33500 Series Operating and Service Guide
SYST:LOCK:REQ? returns 1 (request successful)
SYST:LOCK:REQ? returns 0 because USB has lock
SYST:LOCK:REQ? returns 1 (request successful)
SYST:LOCK:REL
SYST:LOCK:REL
SYSTem Subsystem
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