H.264 Super Digital Video Recorder User Manual
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2
、
The DVR reboots automatically or stops working after boot up a few minutes.
Possible reasons are as followed:
1
The input voltage is not stable or too low.
2
The hard disk is damaged or the hard disk lines are broken.
3
The power of the switch power supply is low.
4
Frontal video signal is not stable.
5
Bad heat radiator or too much dust or bad running circumstance for the DVR.
6
The hardware of the DVR is damaged.
3
、
System can not detect hard disk.
Possible reasons are as followed:
1
The hard disk power supply line is not connected.
2
The cables of the hard disk are damaged.
3
The hard disk is damaged.
The SATA port of main board is damaged.
4
、
There are no video outputs in single channel, multiple channels and all channels.
Possible reasons are as followed:
1
The program is not matched. Please update the program.
2
The image brightness is all 0. Please resume the default setup.
3
There is no video input signal or the signal is too weak.
4
The channel protection or the screen protection is set.
5
The hardware of the DVR is damaged.
5
、
Real-time image problems such as the image color or the brightness distortion.
Possible reasons are as followed:
1
When using the BNC output, the option between the N mode or PAL mode is wrong and
the image becomes black and white.
2
The DVR is not matched the monitor impedance.
3
The video transmission distance is too far or the loss of the video transmission line is too
large.
4
The color and brightness setting of the DVR is wrong.
6
、
I can not find the video files in local playback mode.
Possible reasons are as followed:
1
The data line of the hard disk is damaged.
2
The hard disk is damaged.
3
Update the different program with the origin program files.
4
The video files to search are covered, or search time is wrong, please refer to the device
