Measurement Group Troubleshooting - Keysight N9912A Service Manual

Troubleshooting

Measurement Group Troubleshooting

Measurement Group Troubleshooting
If calibration with the standard Type-N cal kit (1250-3607 or N9910X-800)
gives unexpected results:
— Make sure the unit is warmed up for at least 30 minutes.
— Make sure the correct cal kit definition is being used; erase user data to
If there appears to be LAN communication problems:
— Use only 100 Base T LAN connections. Sometimes there are problems with
If "ADC Overload" error messages are displayed during S21 or insertion loss
measurements:
— Perform the "ADC Overload Adjustment" under
4-8
force use of factory cal kit definitions (see
"Erase User Data Utility").
the slower speed 10 Base T connections.
N7841A Software Package)"
Chapter 8
"Adjustments (Keysight
in Chapter 3.
Keysight N9912A Service Guide
for information on the