Digisol DG-CD2030HD User Manual page 65

7. The local video is not clear.
Possible reasons are as follows:
i.
ii.
iii.
iv.
8. There is no audio signal in the surveillance window.
Possible reasons are as follows:
i.
ii.
iii.
iv.
9. There is audio signal in the surveillance window but no audio signal in the
playback state.
Possible reasons are as follows:
i.
ii.
10. The time is wrong.
Possible reasons are as follows:
i.
ii.
iii.
11. Motion detection is not working,
Possible reasons are as follows:
i.
ii.
iii.
iv.
The image quality is too bad.
The reading program is wrong. Reboot the DVR.
The power to the camera is not proper.
The hardware of the DVR is damaged.
It is not an active tone arm.
It is not an active sound box.
The audio lines are damaged.
The hardware of the DVR is damaged.
Setting issues: the audio option is not chosen.
The respective channel is not connected with the video.
Setting is wrong.
The battery is in bad connection or the voltage is too low.
The oscillation is damaged.
The time range set is not correct.
The motion detect area set is not correct.
The sensitivity is too low.
Limited by some hardware edition.
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DVR User Manual