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System uses too much CPU resources. Please stop record first and then begin backup.
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Data amount exceeds backup device capacity. It may result in burner error.
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Backup device is not compatible.
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Backup device is damaged.
17. Keyboard can not control DVR.
There are following possibilities:
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DVR serial port setup is not correct
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Address is not correct
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When there are several switchers, power supply is not enough.
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Transmission distance is too far.
18. Alarm signal can not been disarmed.
There are following possibilities:
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Alarm setup is not correct.
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Alarm output has been open manually.
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Input device error or connection is not correct.
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Some program versions may have this problem. Please upgrade your system.
19. Alarm function is null.
There are following possibilities:
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Alarm setup is not correct.
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Alarm cable connection is not correct.
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Alarm input signal is not correct.
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There are two loops connect to one alarm device.
20. Remote control does not work.
There are following possibilities:
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Remote control address is not correct.
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Distance is too far or control angle is too small.
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Remote control battery power is low.
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Remote control is damaged or DVR front panel is damaged.
21. Record storage period is not enough.
There are following possibilities:
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Camera quality is too low. Lens is dirty. Camera is installed against the light.
Camera aperture setup is not correct.
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HDD capacity is not enough.
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HDD is damaged.
22. Can not playback the downloaded file.
There are following possibilities:
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There is no media player.
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No DXB8.1 or higher graphic acceleration software.
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