C-5 Vector Network Analyzer Specific Warning Messages Error Messages
C-8 PN: 10580-00305 Rev. L MS20xxC UG
C-5 Vector Network Analyzer Specific Warning Messages
Bias Tee cannot be enabled for start freq < 2MHz.
Adjust frequency before turning On the Bias Tee.
The start frequency cannot be set less than 2 MHz when the internal or external Bias Tee is
turned On. Set the frequency to a value larger than or equal to 2 MHz, and then turn on the
Bias Tee.
Bias Tee is not allowed for start freq < 2MHz.
Turn Off Bias Tee before changing the freq.
The internal or external Bias Tee cannot be turned on when the start frequency is set to less
than 2 MHz. Turn off the Bias Tee, and then adjust the start frequency to the desired value
less than 2 MHz.
Changing Source Power
Changing Source Power will affect the accuracy of the current calibration.
While Cal Correction is turned On, changing the source power level will affect the accuracy of
the current calibration. The correction will remain On and can be used, but an indicator (?P)
will appear next to the left-hand status column (CAL: ON) to note that the current power
setting is different from the one used during the calibration processes.
No valid calibration to change correction.
There is no valid calibration in volatile memory that can be used to turn Cal Correction On. A
new calibration must be performed.
Cannot continue with calculating.
Cannot continue with calculating. Not all required cal steps are completed.
When performing a calibration, you must complete all of the required steps before applying
the “Calculate and Finish Cal” step.
Bias Tee state cannot be changed during calibration.
While performing a calibration, and before completing all of the calibration steps, you cannot
turn on the Bias Tee. You must wait till after all of the calibration steps are complete before
turning on the Bias Tee. This precaution is enforced to protect the calibration components
from getting damaged by the Bias Tee current.
Turning Bias Tee to OFF.
Bias Tee was turned on when a new calibration sequence was started. The Bias Tee was
turned off to protect the calibration components. After all the calibration steps are completed,
you can turn the Bias Tee back on as required.
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