Keysight NFA Series Noise Figure Analyzers Service Guide     87
Instrument Messages
Event Messages
–221 Settings conflict; 
Destination trace for 
Trace Math cannot be 
a trace operand
The resulting trace data (from doing a trace math function) cannot be put into 
the any of the traces that are being used by the math operation
–221 Settings conflict; 
Downconv only 
available when DUT is 
Amplifier
SCPI only message. The System Downconverter can only be set to ‘On’ when 
the DUT type is amplifier. Change DUT type to Amplifier if the System 
Downconverter is required
–221 Settings conflict; 
EDGE EVM only 
supports EDGE TCH 
burst type.
–221 Settings conflict; 
EMI Detectors are not 
available in FFT 
sweep
QPD, EMI Average, EMI Peak, and MIL Peak are not allowed when in the 
manually selected FFT sweep mode
–221 Settings conflict; 
External Mixer not 
available
A command has been sent to reference the External Mixer in a model that 
does not contain it
–221 Settings Conflict; 
FAST method can only 
be used while Radio 
Std is W-CDMA
–221 Settings conflict; 
Feature not available 
in this View
Some functionality is available in one View, but not in another. (See the Views 
under the 
Mode/Measurement/View selection.) This error occurs if 
you send a SCPI command or push a grayed-out key that is not available in 
the current selected View
–221 Settings conflict; 
Feature not supported 
for selected source
You have selected a feature that the selected source does not support
–221 Settings conflict; 
Feature not supported 
for this Input.
Some functionality is not available when certain Inputs are selected. For 
example, Trigger Holdoff is not available for the BBIQ input
–221 Settings conflict; 
Feature not supported 
for this measurement.
Some functionality is available in one measurement, but not in another. (See 
the measurements under the 
Mode/Measurement/View selection.) 
This error occurs if you send a SCPI command or push a grayed-out key that 
is not available in the current selected measurement
–221 Settings conflict; 
Feature not supported 
for this model number
This functionality is not a part of the instrument you are using, but may be 
found in other models in the X-Series
Err# Message Verbose/Correction Information