Security Camera King PENDVR-EL16M4K, Manual

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There is multiple-cast group setup in DVR. This mode can result in mosaic.
Usually we do not recommend this mode.
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There is privacy mask or channel protection setup.
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Current user has no right to monitor.
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DVR local video output quality is not good.
16. Network connection is not stable.
There are following possibilities:

Network is not stable.

IP address conflict.

MAC address conflict.

PC or DVR network card is not good.
17. Burn error /USB back error.
There are following possibilities:

Burner and DVR are in the same data cable.

System uses too much CPU resources. Please stop record first and then begin
backup.

Data amount exceeds backup device capacity. It may result in burner error.

Backup device is not compatible.
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Backup device is damaged.
18. Keyboard cannot control DVR.
There are following possibilities:

DVR serial port setup is not correct

Address is not correct

When there are several switchers, power supply is not enough.

Transmission distance is too far.
19. Alarm signal cannot been disarmed.
There are following possibilities:

Alarm setup is not correct.

Alarm output has been open manually.

Input device error or connection is not correct.

Some program versions may have this problem. Please upgrade your system.
20. Alarm function is null.
There are following possibilities:

Alarm setup is not correct.

Alarm cable connection is not correct.

Alarm input signal is not correct.
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There are two loops connect to one alarm device.