The DVR turns off automatically
1.The battery has low energy.
2.The function sleep time is turned on.
Can't play audio
1.Check the volume level.
2.Verify that the speaker of the camera is not obstructed.
3.Insert the earphones into the AV port.
Records with no audio
Check if the mic is not blocked.
Video and images ares recorded in B/W
The black and white function is on.
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