66 Chapter 3
Instrument Messages
Introduction
Introduction
The Error and Status messaging system of the Agilent Signal Analyzer 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 Appendix , “Event
and Condition Categories,”.
Event messages appear in the Message Line at the bottom left of the analyzer’s
display window.
A Condition is a state of the Analyzer, which is characterized by a Detection
event and a Clearing event. Conditions may be Errors or Warnings.
Condition messages appear in the Status Panel at the bottom right of the
analyzer’s display screen.
Event and Condition Categories
The three categories of severity are described below, for both Events and
Conditions.
Errors Error messages appear when a requested operation has failed. (For example, “Detector not
available”, “File not saved”.) Error messages are often generated during remote operation
when an invalid programming command has been entered. (For example, “Undefined
header”.)
Some errors are conditions rather than single events. They exist for a period of time, so
they have associated “Detected” and “Cleared” events. (For example, “LO Unlocked” or
“External reference out of range”)
Error messages appear in the Status Panel at the bottom of the display. A message remains
until you press a key, or another message is displayed in its place.
Error messages are logged in the error queues. If the error is a condition, both the Detected
and Cleared events are logged.
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