Digital Video Recorder: User Manual
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Possible reasons are as followed:
The program is not matched. Please update the program.
The image brightness is all 0. Please resume the default setup.
There is no video input signal or the signal is too weak.
The channel protection or the screen protection is set.
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:
When using the BNC output, the option between the N mode or PAL mode is wrong and the image becomes black and white.
The DVR is not matched the monitor impedance.
The video transmission distance is too far or the loss of the video transmission line is too large.
The color and brightness setting of the DVR is wrong.
6.
I cannot find the video files in local playback mode.
Possible reasons are as followed:
The data line of the hard disk is damaged.
The hard disk is damaged.
Update the different program with the origin program files.
The recording is not on.
7.
The local video is not clear.
Possible reasons are as followed:
The image quality is too bad.
the reading program is wrong. Reboot up the DVR.
The data line of the hard disk is damaged.
The hard disk is damaged.
The hardware of the DVR is damaged.
8.
There is no audio signal in the surveillance window.
Possible reasons are as followed:
It is not an active tone arm.
It is not an active squad box.
The audio lines are damaged.
The hardware of the DVR is damaged.
9.
There is audio signal in the surveillance window but no audio signal in the playback state.
