Keysight Technologies M937 A PXIe Series Service Manual page 46

Tests, Adjustments, and Troubleshooting
System Verification
7. To modify the number of ports to be verified or to change the number of
devices to measure, click on the Configure tab and make the desired
selections.
8. Click Run.
9. Follow the instructions for performing a full calibration or recalling an
existing recent calibration.
10.Follow the instructions for performing the system verification, inserting the
verification devices as prompted.
If the System Fails the Verification Test
Inspect all connections. DO NOT remove the cable from the network
analyzer test port. This will invalidate the calibration that you performed
earlier.
1. Disconnect and clean the device that failed the verification test.
2. Reconnect the device, making sure that all connections are torqued to the
proper specifications.
3. Measure the device again.
4. If the analyzer still fails the test, check the measurement calibration by
viewing the error terms as described in
page
5. Refer to
2-26
1-7.
Figure 2-10 on page 2-27
"Accessing Error Terms" on
for additional troubleshooting steps.
Keysight M937xA PXIe Service Guide