130 N9030B PXA Signal Analyzer Service Guide
Instrument Messages
Condition Messages
149 8 Meas Error
151 9 Memory Error E
151 9 Memory Error;Shorten capture
interval
E A shortage of free memory related to
longer capture intervals has occurred.
The measurement is aborted and all
results return invalid values
153 10 I/O Error E
153 10 I/O Error; Ext Source needs
IP Addr
E No IP address entered for external
source and external LO control is ON.
155 11 Trig Error E
157 12 Invalid Data Status bit
only
This is the “invalid data indicator”, same
as the “*” in the upper right corner of
the screen. It means that the on-screen
annotation does not match the
on-screen data, usually because a
measurement is pending after a settings
change. There is no message in the
status line and nothing in the history
queue, but there IS an on-screen
indication and a status bit.
159 13 Settings Alert W.
159 13 Settings Alert;LO may
overload IF
W If the sweep type is Swept, the start
frequency of the instrument is less than
10 MHz, and you put Swept IF Gain in
Manual High, then a warning condition
is generated and remains in effect as
long as this condition exists.
In some older analyzers this was error
1109.
159 13 Settings Alert; Diff probe
mismatch; <I|Q|I,Q>
W The attenuation values of the two
probes on the I and/or Q channels differ
by too much for a valid differential
reading.
159 13 Settings Alert; Acquisition
truncated
W In the Analog Demod mode, certain
extreme settings combinations will
result in a required acquisition length in
excess of the capacity of the analyzer.
Increase the AF Spectrum RBW or the
RF Spectrum RBW, decrease the
Channel BW, and/or decrease the
Demod Waveform Sweep Time.
Err# Bit in
status
register
Message Error or
Warning
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