Keysight NFA Series Noise Figure Analyzers Service Guide 73
Instrument Messages
Introduction
Table 3-2 Characteristics of the Event Queues
Characteristic Front-Panel Status Front-Panel History Remote Interfaces (GPIB/LAN)
Viewing Entries Tap anywhere in the
Status Bar
Tap the Message Indicator
balloon in the Status Bar
Send SCPI query to the desired
interface:
:SYSTem:ERRor?
Clearing the Queue Select the History tab of
the Status Dialog, then
tap
Clear Message
Queue
Clears the messages in all
the queues.
Select the History tab of
the Status Dialog, then tap
Clear Message
Queue
Clears the messages in all
the queues.
Send *CLS command to the
desired interface.
Clears messages in the queue for
this particular interface only.
Table 3-3 Summary of Event Reporting Modes
Event Type SCPI Error
Queues
Front Panel
History Queue
Status Panel Display
Error/Warning/Advisory Event Logged Logged Displayed via Message Box
Error/Warning Condition: Detected (Start)
Event
Logged
a
Logged
a
Displayed via Message Box
Error/Warning Condition: Cleared (End)
Event
Logged
b
Grayout Advisory (Benign) Not logged Logged Displayed via Message Box
Grayout Advisory (Forced)
See note
c
Logged Displayed via Message Box
a. Logged with the same severity (Error or Warning) as the Condition
b. Logged with a “green” severity (Condition Resolved)
c. Not logged, unless the cause of the Advisory was remotely generated, in which case a Warning mes-
sage, type –221, is logged.