Chapter 3
Operational Tests
3-1 INTRODUCTION The tests in this section provide a means of fully testing the 373XXA VNA
system for proper operation and signal stability. These tests are intended
to be used as a periodic check of the operational functionality of the
373XXA.
The tests should be performed in their entirety at least once annually.
Although there is no requirement to do so, the tests should generally
be run in the sequence presented.
NOTE
The procedures presented in Chapter 4, Performance Veri-
fication, provide the means to test the accuracy of the tests
performed by the 373XXA.
Please ensure you have read and fully understand the servicing con-
cepts for the 373XXA presented in Chapter 1 prior to continuing with
this chapter.
Operational Tests for the 373XXA consist of the following:
q
Checking the Service Log
q
Self Test
q
Peripherals and Interface Testing
q
Signal Path Tests (includes Checking the Service Log and Self
Test.)
These tests are described in paragraphs 3-2 through 3-5, which start
on the next page.
373XXA MM 3-3