90 Keysight NFA Series Noise Figure Analyzers Service Guide
Instrument Messages
Event Messages
–221 Settings conflict;
Incorrect RBW for
demod. Change RBW
–221 Settings conflict;
Ind I/Q is not
available for this
measurement
The Independent I and Q setting is not available for the current
measurement. Only some measurements (initially, only VXA) support this
setting
–221 Settings conflict;
Invalid trace number
The subopcode used to specify the trace number is invalid for this
measurement or query
–221 Settings conflict;
Knob is not available
to modify this
function
You should select a specific value for this function. Scrolling through values
with the knob is not allowed
–221 Settings conflict; LO
Phase Noise Adj not
available
For instruments without the Dual-Loop LO, this feature is not available
–221 Settings conflict;
Marker 1 Trace
Update=off turns off
Signal Track
Signal Track not available unless the trace containing Marker 1 is updating
–221 Settings conflict;
Marker cannot be
relative to itself
A marker must be set relative to another marker, not to itself
–221 Settings conflict;
Marker Count is not
available when Gate
on
The marker count function cannot be used while you have gating turned on
–221 Settings conflict;
Marker Function is
not available for a
Fixed marker
If a Marker is a Fixed type marker, the marker's value does not change from
when it first became fixed. You cannot turn on or change a Marker Function
because there is no ongoing measurement data to use for the marker
function calculation
–221 Settings conflict;
Marker type must be
delta
Mkr?->Span and Mkr?->CF require that the selected marker be a delta
marker
–221 Settings conflict;
Marker-> function is
not available in zero
span
Most of the
Marker To functions are not available if you are in zero span
(span = 0 Hz, or time domain), so you cannot send the commands for these
functions
–221 Settings conflict;
Mask unavailable for
current Span.
Increase to display
mask.
The current span setting is either narrower than the mask width or so wide
that there are too few display points to allow the mask to be drawn. Increase
or decrease the span to display the mask
Err# Message Verbose/Correction Information
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