90 Chapter 6
In Case of Difficulty
Before Calling Agilent Technologies
Before Calling Agilent Technologies
Check the Basics
❏ Is there power at the receptacle?
❏ Is the analyzer turned on? Listen for internal fan noise to determine if the analyzer cooling fan is
running. Feel the right side of the analyzer to feel for air flow.
❏ If other equipment, cables, and connectors are being used with your spectrum analyzer, make sure
they are connected properly and operating correctly.
❏ Review the measurement procedures being performed when the problem first appeared. Are all of the
settings correct?
❏ If the analyzer is not functioning as expected, return the analyzer to a known state by pressing
Preset, and Factory Preset (if displayed).
NOTE Some analyzer settings are not affected by a Preset. If you wish to reset the analyzer
configuration to the state it was in when it was originally sent from the factory, press
System, Power On/Preset, Preset Type, Factory. Then press the green Preset key on
the front panel.
❏ Is the measurement being performed, and the results that are expected, within the specifications and
capabilities of the analyzer? Refer to the Specifications guide for your analyzer.
❏ To meet specifications, the analyzer must be aligned. Either the Auto Align (On) feature must be
selected (press
System, Alignments, Auto Align, On), or the analyzer must be manually aligned at
least once every hour (see your specifications guide for more information), or whenever the
temperature changes more than 3°C. When
Auto Align, On is selected, the AA screen annotation
appears on the left edge of the display.
❏ Perform an Alignment. Press
System, Alignments, Align Now, All.
❏ If the previously performed alignments did not resolve the problem, press
System, Alignments,
Load Defaults. Then press System, Alignments, Align Now, All.
❏ Is the analyzer displaying an error message? If so, refer to the Instrument Messages and Functional
Tests manual.
❏ If the necessary equipment is available, perform the functional tests in the Instrument Messages and
Functional Tests document for your analyzer.
TIP You can get automatic electronic notification of new firmware releases and other product
updates/information by subscribing to the Agilent Technologies Test & Measurement
E-Mail Notification Service for the PSA or ESA Series at
http://wwwdb.tm.agilent.com/cgi-bin/notification/user.pl
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