Programming
3
Keysight 53147A/148A/149A Operating and Programming Guide
249
QUERY
RESPONSE
Numeric data transferred as ASCII bytes in
<NR1>
format.
COMMENTS
– This value is unaffected by
*RST
.
– To change the Baud rate used at power-on, save the instrument settings using
the
*SAV 0
command after changing the Baud rate.
RELATED
FRONT-PANEL
KEYS
Shift + Menu
(BAUD > 19200 | 14400 | 9600 | 4800 | 2400 | 1200)
COMMAND
:SYSTem:ERRor?
Queries the oldest error in the Error Queue and removes that error from the queue
(first in, first out).
See the section titled
on page 266 for detailed error information
QUERY
RESPONSE
– The response is in the following form:
<error_number>,“<error_description>”
– The
<error_number>
is an integer in the range [-32768, 32767]. The negative
error numbers are defined by the SCPI standard; positive error numbers are
particular to this instrument. An error number value of zero indicates that the
Error Queue is empty.
– The maximum length of the
<error_description>
is 255 characters.
COMMENTS
– The queue is cleared (emptied) on
*CLS
, power-on, or upon reading
the 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 instrument complies.
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