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If You Have a Problem
Error Messages
SRQ
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The speciEed service request is active. Service requests are a form of
informational message and are explained in HP 8590 E-Series and L-Series
S&t?ctrum
Analyzers and HP 8591C
Cable
TV Analyzer Programmer’s
Guide.
(M)
STEP GAIN/ATTN FAIL
Indicates the step gain has failed.
(H)
Stop at marker not available with negative detection
Indicates that the marker counter cannot be used when negative peak
detection is selected. To use the marker counter, turn off negative peak
detection with DETECTOR
PK
SP NG (U)
TABLE FULL
Indicates the upper or lower table of limit lines contains the maximum
number of entries allowed. Additional entries to the table are ignored. (U)
TG SIGNAL NOT FOUND
Indicates the tracking generator output signal cannot be found. Check that
the tracking generator output (RF OUT 75
f2)
is connected to the cable TV
analyzer input connector with an appropriate cable. (U)
TG UNLVL
This message can indicate the following: that the source power is
set higher or lower than the cable TV analyzer can provide, that the
frequency span extends beyond the speciEed frequency range of the
tracking generator, or that the calibration data for the tracking generator
is incorrect. See “Stimulus-Response Measurements” in Chapter 5 of this
guide for more information. (U)
Too many signal with valid N
dB
points
Indicates the N
dB
PTS function has located two or more signals that have
amplitudes within the specified
dB
from the signal peak. If this happens,
you should decrease the span of the cable TV analyzer so that only the
signal that you want to measure is displayed. (U)
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