120 Chapter 3
Instrument Messages
Condition Errors 501 to 599, Frequency
Condition Errors 501 to 599, Frequency
Errors with signal frequency unlocked, span/bandwidth/freq reference problems.
An event with the error number shown in the table means the condition has been
detected.
When the condition is cleared, an event with the error number plus 1000 is
generated.
For example, error 503 indicates a Frequency Reference Unlocked condition has
been detected, error 1503 indicates that failure has been cleared.
An E in the Error or Warning column means that an error is put up on the front
panel and sent out to SCPI when this condition is detected. A W in this column
means that a Warning is put up on the front panel but nothing goes out to SCPI.
Nothing in this column means nothing is put up; status bit only.
Err# Message Error or
Warning
Verbose/Correction Information
501 Source Synthesizer
Unlocked
E
503 Frequency Reference
Unlocked
E
505 2nd LO Unlocked E
507 BB Data Clock Synth
Unlocked
E
509 LO Unlocked E
511 Invalid Span or BW W
513 IF Synthesizer
Unlocked
E
515 Calibration
Oscillator Unlocked
E
517 Even Second Clock
Synth Unlocked
E
519 Demodulation
521 External ref out of
range
E The external frequency reference signal is missing
or is not within the proper amplitude range.
523 unused bit11 is set
525 unused bit12 is set
527 unused bit13 is set
529 unused bit14 is set
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