69
Keysight NFA Series Noise Figure Analyzers
Service Guide
3 Instrument Messages
Introduction
The Error and Status messaging system of the instrument reports events and
conditions in a consistent fashion, as well as logging and reporting event
history.
Event vs. Condition Messages
— An Event is simply a message indicating that something has happened.
Events are sub-divided according to their severity, into Error, Warning or
Advisory categories. The sub-divisions are described in more detail in the
section “Event and Condition Categories” on page 70.
— A Condition is a state of the instrument, which is characterized by a
Detection event and a Clearing event. Conditions may be Errors or
Warnings.
Event and Condition messages appear in the Status Bar at the bottom of
the analyzer’s display screen, as shown in Figure 3-1 below.
Figure 3-1 Instrument Message Line & Status Panel
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