Instruction manual

Chapter 4 Command Reference
:SYSTem Subsystem
Programming Guide 4-41
4
COMMENTS • The queue is cleared (emptied) on *CLS, power-on, or upon reading he
last error from queue.
• If the Error Queue overflows, the last error in the queue is replaced
with the error -350, “Queue overflow”. Any time the queue overflows,
the least recent errors remain in the queue and the most recent error is
discarded. The maximum length of the Error Queue is 30.
• The Error Queue is unaffected by *RST and *SAV/RCL. It is cleared by
*CLS.
RELATED
FRONT-PANEL
KEYS
None
COMMAND :SYSTem:VERSion?
Queries the SCPI version number with which the Counter complies.
QUERY RESPONSE • Numeric data transferred as ASCII bytes in <NR2> format.
• The response is an <NR2> formatted numeric value which has the
form YYYY.V, where YYYY represents the year, and V represents an
approved version for that year.
RELATED
FRONT-PANEL
KEYS
None