170
• 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.
• Backup device is damaged.
17. Keyboard can not 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.
18. Alarm signal can not 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.
19. 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.
• There are two loops connect to one alarm device.
20. Remote control does not work.
There are following possibilities:
• Remote control address is not correct.
• Distance is too far or control angle is too small.
• Remote control battery power is low.
• Remote control is damaged or DVR front panel is damaged.
21. Record storage period is not enough.
There are following possibilities:
• Camera quality is too low. Lens is dirty. Camera is installed against the light. Camera
aperture setup is not correct.
• HDD capacity is not enough.
• HDD is damaged.
22. Can not playback the downloaded file.
There are following possibilities:
• There is no media player.
• No DXB8.1 or higher graphic acceleration software.
Содержание DVR-x70JE2 Series
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