Agilent Technologies HP 8719D Service Manual page 64

In Case of Diilkulty
1. Inspect all connections. Do NOTdisconnect the cables from the analyzer test
ports Doing so WILL AWYLZDATE the calibration that you have done earlier.
2.
Repeat the "Device Verification" procedure. De sure to make good
connections for each verillcation device measurement.
3.
If the analyzer still fails the test, check the measurement calibration as
follows:
a . P r e s s -
c. Use the fr
and press
d. Connect the short to reference test port 1.
g. Check that the trace response is 0.00 f 0.05 dl3.
h. Disconnect the short and connect it reference test port 2.
j. Check that the trace response is 0.00 f 0.05 dl3.
k. If any of the trace responses are out of the specified limits, repeat the
"Measurement Calibration" and "Device Verification" procedures
4.
Refer to the "Start Troubleshooting Here" chapter for more troubleshooting
information.
If the System Fhils the Vocation lkst
n
remeasure the device.
If the performance verification still fails:
to highhght the calibration you want to recall
.
.
that failed the verification. Then
device
System Verification and