4 DIAGNOSTICS
Figure 4-4 Front panel display for the OOB diagnostic
Data activity | EMM data | |
activity indicator | ||
indicator | ||
|
OOB | Carrier lock indicator | |
(L = locked, U = unlocked | ||
diagnostic | ||
indicator |
|
The Out-Of-Band Status fields are:
Field | Description |
|
| ||
|
|
|
|
|
|
OOB | Indicates the OOB tuner center frequency, from 70 to 130 MHz. | ||||
Frequency |
|
|
|
|
|
|
|
|
|
|
|
Carrier | Indicates whether the OOB receiver is locked to the carrier: | ||||
Lock |
|
|
|
|
|
| OSD | Front |
| Description | |
|
|
| Panel |
|
|
| YES | L |
| Carrier locked | |
|
|
|
|
|
|
| NO | U |
| Carrier unlocked | |
|
|
|
|
|
|
Data | Indicates whether data is being carried by the OOB and EMM traffic, which is tracked separately: | ||||
|
|
|
|
|
|
| OSD | Front |
| Description | |
|
|
| Panel |
|
|
|
|
|
|
|
|
| YES | On |
| OOB data detected within last 5 seconds | |
|
|
|
|
|
|
| NO | Off |
| OOB data not detected within last 5 seconds | |
|
|
|
|
|
|
EMM Data | Indicates whether EMM data is being carried on the OOB stream: | ||||
|
|
|
|
| |
| OSD |
| Front | Description | |
|
|
| Panel |
|
|
|
|
|
|
| |
| YES |
| On | EMM data detected within last 5 seconds | |
|
|
|
|
| |
| NO |
| Off | EMM data not detected within last 5 seconds | |
|
|
|
| ||
SNR | When carrier lock has been established, displays an estimate of the carrier | ||||
| in dB, with an explanation: | ||||
| |||||
| |||||
| |||||
| |||||
|
| ||||
AGC | When carrier lock has been established, displays an estimate of the AGC as a percentage, with | ||||
| an explanation: |
|
| ||
| |||||
| |||||
| |||||
| |||||
|
|
|
|
|
|
30