Motorola DCX3520e-M, Руководство по установке

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Diagnostics
High-Definition DVR DCX3510-M t Installation Manual 60
365-095-17066-x.1
Table 13: In-Band Status Diagnostic Field Descriptions
Field Description
Mode The values displayed on the OSD are:
64 QAM — 64 QAM digital channel
256 QAM — 256 QAM digital channel
Carrier
Lock
Indicates whether the in-band receiver is locked to the carrier. If a digital carrier is not present,
it indicates the carrier is not locked:
OSD Front panel Description
YES L Carrier locked
NO U Carrier not locked
PCR Lock Indicates whether the in-band receiver is locked to the current program clock reference for a
digital video service on the specified tuner. If a digital carrier is not present, it indicates the
PCR is not locked.
Data Indicates whether data is being carried on the in-band stream. The indicators cover all packet
processors regardless of the stream they are monitoring:
OSD Front panel Description
YES On In-band data detected within
the last 5 seconds
NO Off In-band data not detected
within the last 5 seconds
Frequency
The in-band frequency is center RF carrier frequency tuned for the digital service on the
specified tuner. The frequency is displayed in MHz in xxxx.xxx format and ranges from 54 to
860 MHz.
SNR When carrier lock has been established, SNR displays an estimate of the carrier signal-to-
noise ratio in dB, with an explanation:
GOOD — Good value
FAIR — Marginal signal level, check the signal
POOR — Unusable signal
INVALID — Invalid SNR value
5 Second
Error
Counts
Indicates the number of correctable and uncorrectable digital multiplex errors, up to 9999. It is
updated every five seconds and reset each time the DCX3510-M is power cycled or another
digital multiplex is tuned. The maximum value displayed is 9999, even if there were more
than 9999 errors.