Alarm Type Description — Decoder
Alarm Type | Description | Action | Default Settings |
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No decoder video | Indicates that there is a valid |
| Warning, reporting |
data | connection, no video data |
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| present. Usually accompanied by |
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| "no source data stream" message |
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| in the web interface. |
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No decoder mode | No matching decoder mode for |
| Warning, reporting |
| the incoming stream. |
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No source report | Unable to detect the format of |
| Warning, reporting |
| the received data stream. |
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Recovered audio |
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| Warning, reporting |
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No decoder audio |
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| Warning, reporting |
data |
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Bad audio at decoder |
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| Warning, reporting |
Bad audio PLL |
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| Warning, reporting |
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Video network | Excessive network packet loss has |
| Warning, reporting |
packets dropped | occurred. |
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Decoder buffer | The incoming data rate is high; |
| Warning, reporting |
overflow | reduce the pipeline delay. |
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Decoder buffer | The incoming data rate is too low; |
| Warning, reporting |
underflow | increase the pipeline delay. |
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Bad video PLL | The decoder cannot synchronize |
| Warning, reporting |
| to the video data. |
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No decoder ANC data | The decoder is not receiving any |
| Warning, reporting |
| embedded audio (ancillary) data. |
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Missing ANC at | The Decoder is receiving poor |
| Warning, reporting |
decoder | quality ANC data. |
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Recovered ANC | Error correction has recovered |
| Warning, reporting |
| corrupted / missing ANC. |
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No genlock source | Indicates that genlock is enabled, | Connect a valid genlock | Warning, reporting |
present | but that there is no genlock | signal. |
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| source connected. |
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No genlock source | Indicates that a signal is present | Check the format of the | Warning, reporting |
lock | on the genlock connector, but it is | genlock signal. |
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| not within the expected range. |
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Genlock source | Indicates that the timing of the | Connect a valid genlock | Warning, reporting |
mismatch | genlock signal does not match the | signal. |
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| format of the decoded source. |
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Alarm Type Description — System Controller
Alarm Type | Description | Action | Default Settings |
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Bad device | The controller is unable to contact | Check the device in question. | Critical, reporting |
| the specified device. The device is | Is power applied? |
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| not available or has failed. | Is the network cable or |
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| Note that this alarm is only | network connection present? |
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| generated on the controller. | Has the unit been removed? |
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VNM Recorder • About Alarms | 61 |
