Specifications

2. Select:
DIAGNOSTICS
SERVICE LOG
The MS462XX will now display the contents of the service log. The dis
-
play consists of a header and an error listing. The header contains a vari
-
ety of system service information. The error listing contains error mes
-
sages for failures that may have occurred during operation.
3. Select:
SELF TEST
The self test performs a series of tests that verify that various internal
MS462XX circuits are functional and operating properly.
4. Press the Utility key.
5. Select:
DIAGNOSTICS
START SELF TEST
6. Wait for the test sequence to complete.
Once invoked, this test requires no user interaction or external
equipment.
Upon completion, the net pass/fail result of the self test is shown on the
LCD display. If the MS462XX is in remote-only operation, the results are
reported via the GPIB output buffer. If the self test fails, detailed error
messages will be written into the service log.
NOTE
The self-test does not check the RF signal path in the
VNMS. RF signals must be tested manually as described in
the following sections of this chapter.
If the self test fails:
q
Check the service log to view the failure messages.
q
Proceed to Chapter 6—Troubleshooting.
CHECKING THE SERVICE LOG/SELF-TEST PERFORMANCE TESTS
3-4 MS462XX MM
CAUTION
The CLEAR LOG soft
key selection will
immediately and
permanently clear all
the error message
entries from the
service log.
(However, it will not
clear the header
information.)