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4
Maintenance
The remote self test consists of the following tests:
The communications assembly is tested implicitly, in that the command will not
be accepted or return a result unless the remote interface is functioning correctly.
Refer to
individual test.
When the *TST? command is executed, the screen is cleared. As each test takes
place, the name of the test is listed on the screen. While a test is running, the
message Testing... appears beside the name of the test. As each stage of the test
is completed, the message Testing... is replaced by either the message Passed or
Failed.
Test descriptions
This section specifies what is actually checked by each of the tests. Some of the
tests may only be applicable to one method of invocation (for example, from the
soft front panel). If this is the case, it is specified in the test description. Most of
the tests have an associated error message which is added to the error queue if
the test fails. Refer to
Fan
This test confirms that the internal cooling fan is operating.
Calibrator
The reference calibrator is turned on (indicated by the POWER REF LED) and
measured internally. A pass or fail result is returned.
128
"Test descriptions"
on page 128 if you require a description of each
"Error Messages"
on page 129 for more details.
Keysight N8262A User's Guide
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