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HP E4419B User Manual

HP E4419B
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HP4402.book : chapter2.fm 73 Fri Feb 12 15:32:45 1999
Power Meter Operation
Self Test
HP E4419B User’s Guide 2-73
Self Test
The power meter has three distinct self test modes:
power on self test, which occurs automatically when you turn on
the power meter.
confidence check, which is accessed via the front panel and
requires your assistance in order to verify the POWER REF and
measurement path accuracy.
troubleshooting mode, which is accessed via the front panel or
remotely. The front panel softkey menu allows you to run
individual tests, whereas the remote command runs a complete
series of tests as listed in “Remote Testing”, on page 2-69.
Power On Self Test
The power on self test is performed automatically when the power meter
is turned on and takes approximately 10 seconds to complete. The power
on self test consists of the following tests:
RAM Battery
Calibrator
Measurement Assemblies
•Fan
Serial Interface
Option 001 Battery
Refer to “Test Descriptions”, on page 2-70 if you require a description of
each individual test.
As the power on self test takes place, the message “Testing...” appears
next to the name of the test which is being performed. When each test is
complete, the message “Testing...” is replaced by either the message
Passed” or “Failed”. The option 001 Battery test can also produce the
message “Not Present”. If a failure occurs the message “Power-up H/W
Err” appears. Any errors are also written to the error queue and can be
examined in the “Errors” screen by pressing , ,
.
System
Inputs
More
Error List
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HP E4419B Specifications

General IconGeneral
BrandHP
ModelE4419B
CategoryMeasuring Instruments
LanguageEnglish

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