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If You Have a Problem
Error Messages
PARAMETER ERROR:
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The speciEed parameter is not recognized by the cable TV 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. (U)
Require 4 signals > PEAK EXCURSION above THRESHOLD
Indicates that the
TO1
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. (U)
Required option not installed Some cable TV analyzer functions require
that an option be installed in the cable TV analyzer. See the description
for the function in Chapter 9 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 speciEcations. (H)
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