User`s guide

2-22 Chapter2
Operation
Operation
Repeatability Check for Port 1 and Port 2
1. Press Meas, SELECT PORTS [1-2].
2. Run the test for Port 1. Press System, SERVICE MENU, TESTS,
EXTERNAL TESTS
.
The display should show TEST 21 Port 1 Op Chk in the active area.
3. Press EXECUTE TEST to begin the test.
4. At the prompt, connect the short to Port 1. Make sure the connection
is tight.
5. Press CONTINUE.
The test is a sequence of subtests. At the end of the subtests, the test
title and result will be shown. If all tests pass successfully, the overall
test status will read PASS. If any test fails, the overall test status will
read FAIL.
6. Run the test for Port 2 and press the step ↑ key. The display should
show TEST 22 Port 2 Op Chk in the active entry area.
7. Repeat steps 3 through 5.
8. If all tests pass, the analyzer is about 80% verified. If any test fails,
refer to the standard documentation or check the following:
a. Make sure that the connection is tight. Repeat the test.
b. Visually inspect the connector interfaces and clean them if
necessary.
c. Verify that the short meets published specifications.
d. Substitute another short and repeat the test.
e. Refer to Chapter 3, “Theory of Operation and Troubleshooting” in
the service guide.