Keysight NFA Series Noise Figure Analyzers Service Guide 93
Instrument Messages
Event Messages
–221 Settings conflict;
Scale Type = Lin is
not available when
Normalize is on
Only the Log amplitude scale is available in Normalize, since the results are
always presented as a dB ratio
–221 Settings conflict;
Settings conflict;
Pre-trigger is
insufficient for
demod. Decrease Trig
Delay.
–221 Settings conflict;
Signal Track is not
available with
Continuous Peak
The signal tracking feature cannot be used while you are also using the
continuous peak function
–221 Settings conflict;
Signal Track is only
available in Swept SA
measurement
The signal track functionality can be used when making a swept SA
measurement. It is not available in the SA measurement when you are using
FFT sweeps
–221 Settings conflict;
Signal Track is
turned off when Zero
Span is selected
Signal Track is not available when you have selected Zero Span. So if Zero
Span is entered while in Signal Track is On, Signal Track is turned off
–221 Settings Conflict;
Span limited to XXX
–221 Settings conflict;
Span Zoom is not
available in Zero
Span
Span Zoom does not work with a time domain X-axis. You must select a span
greater then 0 Hz
–221 Settings conflict;
Step keys are not
available to modify
this function
You should select a specific value for this function. Using the
Up/Down
step keys to scroll through values is not allowed
–221 Settings conflict;
Sweep Setup only
available in swept
measurements
The current measurement uses FFT mode, so does not use the Sweep Setup
menu
–221 Settings conflict;
Sweep Time cannot be
auto-coupled in FFT
sweeps
The sweep time for FFT sweeps is set by the calculations. So sweep time
settings cannot be adjusted
–221 Settings conflict;
Sweep Time cannot be
auto-coupled while in
Zero Span
You cannot send the remote command to set the sweep time to auto while
you are in zero span
Err# Message Verbose/Correction Information
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