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OVEN COLD
Indicates that the spectrum analyzer has been powered up for less than 5 minutes. (The
actual temperature of the precision frequency oven is not measured.) (Option 004 only.) (M)
PARAMETER ERROR:
-
-
-
The specified parameter is not recognized by the spectrum analyzer. See the appropriate
programming command description to determine the correct parameters. (U)
PASSCODE
NEEDED
Indicates that the function cannot be accessed without the pass code. (U)
POS-PK FAIL
Indicates the positive-peak detector has failed. (H)
REF UNLOCK
Indicates that the frequency reference is not locked to the external reference input. Check
that the 10 MHz REF OUT connector is connected to the EXT REF IN connector, or, when
using an external reference, that an external 10 MHz reference source of sufficient amplitude
is connect to the EXT REF IN connector. (U) and (H)
Require 1 signal
>
PEAK EXCURSION above THRESHOLD
Indicates that the N
dB
PTS routine cannot locate a signal that is high enough to measure.
The signal must be greater than the peak excursion above the threshold level to measure. (U)
Require 3 signals
>
PEAK EXCURSION above THRESHOLD
Indicates that the % AM routine cannot locate three signals that are high enough to measure.
The signals must be greater than the peak excursion above the threshold level to measure.
w>
Require 4 signals
>
PEAK EXCURSION above THRESHOLD
Indicates that the
TOI
routine cannot locate four signals that are high enough to measure.
The signals must be greater than the peak excursion above the threshold level to measure.
uJ>
Required option not installed Some spectrum analyzer functions require that an option
be installed in the spectrum analyzer. See the description for the function in the HP 8590
E-Series and
L-Series
Spectrum
Analgwrs
User’s
Guide
for more information about which
option is required. (U)
RES-BW NOISE FAIL
Indicates the noise floor level is incorrect at the indicated bandwidth. (H)
RES-BW SHAPE FAIL
Indicates the 3
dB
bandwidth is not within specifications. (H)
RF PRESEL ERROR
Indicates that the preselector peak routine cannot be performed. (H)
RF PRESEL TIMEOUT
Indicates that the preselector peak routine cannot be performed. (H)
SAMPLE FAIL
Indicates the sample detector has failed. (H)
SETUP ERROR
Indicates that the span, channel bandwidth, or channel spacing are not set correctly for the
adjacent channel power or channel power measurement. (U)
SIGNAL CLIPPED
Indicates that the current FFT measurement sweep resulted in a trace that is above the top
graticule line on the spectrum analyzer display. If this happens, the input trace (trace A) has
been “clipped,” and the
FFf
data is not valid. (U)
A-8
Spectrum Analyzer Error Messages