6.12.4 COFDM - RF Overview (VB250)
The RF parameters and measurements list gives a status overview of all monitored
COFDM frequencies from the selected RF input. The parameters and measurements in
this list refer to the last completed monitoring period or, for a stream currently
monitored, the current monitoring period.
List of RF parameters and measurements:
Frequency: The stream frequency that the associated parameters apply
to
Channel spacing: The channel bandwidth
Spectrum
inversion:
Spectrum inversion: normal or inverted
TS sync: Transport stream sync: yes or no
Min level: The minimum RF signal level
Max level: The maximum RF signal level
Min SNR: The minimum signal to noise ratio
Min MER: The minimum calculated modulation error ratio
Max pre FB: The maximum bit error rate before forward error correction
Max post FB: The maximum bit error rate after forward error correction
1 PPS lock: An indication of reference signal lock. The value may be
'Locked' or 'No lock'.
Max SFN drift: The maximum SFN drift (in uS) detected during the
monitoring period
PROBE USERS' MANUAL VERSION 5.0
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