Event Message Format - Keysight N9000A Service Manual

Warnings Warning messages appear when a requested operation has completed successfully, but
there are modifications and/or side effects. (For example, if you requested too high a stop
frequency, then "Data out of range" is displayed and the analyzer sets itself to the highest
available stop frequency.)
Some warnings are conditions rather than single events. They exist for a period of time, so
they have a "Detected" event and a "Cleared" event. (For example, if you set the sweep
time too fast for a measurement to meet the instrument specifications then the "Meas
Uncal" message is displayed until you slow down the sweep time.)
Warning messages appear in the Status Panel at the bottom of the display. The message
remains until you press a key, or another message is displayed in its place.
Warnings are logged in the error queues. If the warning is a condition, both the Detected
and Cleared event messages are logged.
Advisories Advisory messages tell the front panel user some useful information. (For example, "File
saved successfully" or "Measuring the fundamental".)
Advisory messages appear in the Status Panel at the bottom of the display. The message
remains until you press a key, or another message is displayed in its place.
Advisory messages are not logged in the error queues.
Grayout messages are a special type of Advisory, which appear when you attempt to access
a function that is not available. This could be a grayed out front panel key, or an
inappropriate SCPI command. There are two types of grayout messages: Benign and
Forced.
1. Benign: the requested function is not available because it does not make sense with the
current instrument settings. Changing it does not affect the current measurement. (For
example, setting the number of FFTs/Span when you are not in the FFT mode.)
A benign grayout gives an Advisory type of message only when the front panel key is
pressed.
The requested function cannot be changed from the front panel, but it can be changed
remotely.
2. Forced: the requested function is not available either because changing it would cause
an invalid measurement, or because of hardware limitations, or because the selection
conflicts with other settings. (For example, selecting the electrical attenuator when the
frequency span includes frequencies above 3.6 GHz.)
A forced grayout function cannot be changed either from the front panel or remotely. It
generates a special type of Advisory message. It also only appears on the front panel
when the key is pressed. Remotely, the message will appear in the event queue as a
warning "-221, Settings conflict; <conflict description>".

Event Message Format

The event messages are listed in numerical order according to their message
number. Advisory messages do not have numbers, and are listed in alphabetical
order.
An explanation is included with each error to further clarify its meaning. Some
errors are specified in industry standards and there are references to the IEEE
Chapter 3
Instrument Messages
Introduction
67