Signal-To-Noise Ratio (Snr); Automatic Gain Control (Agc); Second Error Counts; Table 4-16 In-Band Snr - Osd - Motorola DCT6200 Installation Manual

4-14 Diagnostics

Signal-to-Noise Ratio (SNR)

The IB SNR displays on the OSD as an estimate of the carrier signal-to-noise ratio in dB with
an explanation for the value:
Table 4-16
In-Band SNR - OSD
Value Description
GOOD Good value
FAIR Marginal signal level, check the signal
POOR Unusable signal
INVALID SNR value not valid
This display is only valid when carrier lock has been established.

Automatic Gain Control (AGC)

An estimate of the AGC displays in percentage and an explanation for the value displays on the
OSD.
Table 4-17
In-Band AGC values - OSD
Value Description
GOOD Good value
FAIR Marginal signal level, check the signal
POOR Unusable signal
INVALID AGC value not valid
This display is only valid when carrier lock has been established.

5 SECOND ERROR COUNTS

Indicates the number of correctable and uncorrectable errors in the digital multiplex. The
display is updated every 5 seconds and is reset each time the DCT* is power cycled or another
digital multiplex is tuned. The count is shown in decimal format and the maximum value is
9999. The maximum value displayed is 9999 even if the number of errors exceeds 9999.
DCT6200\DCT6208 Installation Manual