Keysight N9000A - Page 69

Chapter 3 69
Instrument Messages
Introduction
Table 3-1 Characteristics of the Event Queues
Characteristic
Front-Panel Status Front-Panel History Remote Interfaces
(GPIB/LAN)
Capacity (maximum
number of messages)
100 100 100
Overflow Handling
Circular (rotating).
Drops oldest error as
new error comes in.
Circular (rotating).
Drops oldest error as
new error comes in.
Linear, first-in/first-out.
Replaces newest error with:
−350, Queue overflow
Viewing Entries
Press:
System, Show
Errors
, Status
Press: System, Show
Errors
, History
Send SCPI query to the desired
interface.
SYSTem:ERRor?
Clearing the Queue
Press:
System, Show Errors,
Clear Error Queue
Clears the errors in all
the queues.
Press:
System, Show Errors,
Clear Error Queue
Clears the errors in all
the queues.
Send *CLS command to the
desired interface.
Clears errors in the queue for
this particular interface only.
Table 3-2 Summary of Event Reporting Modes
Event Type SCPI Error
Queues
Front Panel
History
Queue
Status Panel Display
Error Event Logged Logged Displayed in Message Line
Warning Event Logged Logged Displayed in Message Line
Advisory Event Logged Logged Displayed in Message Line
Error Condition Detected Logged Logged Displayed in Status Line
Error Condition Cleared Logged
Warning Condition Detected Logged Logged Displayed in Status Line
Warning Condition Cleared Logged
Grayout Advisory (Benign) Not logged Logged Displayed in Message Line
Grayout Advisory (Forced)
See note
a
Logged Displayed in Message Line
a. Not logged, unless the cause of the Advisory was remotely generated, in which case a
Warning message, type –221, is logged.