HP 16500B User Manual page 100

If You Have a Problem
Occasionally, a measurement may not give the expected results. If you
encounter difficulties while making measurements, use this chapter to
guide you through some possible solutions. Each heading lists a
problem you may encounter, along with some possible solutions. Error
messages which may appear on the logic analyzer are listed below in
quotes " ". Symptoms are listed without quotes.
If you still have difficulty using the analyzer after trying the
suggestions in this chapter, please contact your local Hewlett-Packard
service center.
When you are working with the analyzer, be sure to power down both the
C A U T I O N
analyzer and the target system before disconnecting or connecting cables,
probes, and preprocessors. Otherwise, you may damage circuitry in the
analyzer, preprocessor, or target system.
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