If it is not turned on, the sound may not be recorded. In order to avoid a lot of noise in the recorded video, our engineers adjusted the sound of the software very low, which caused the DVR’s record sound to be relatively small.
If it is not turned on, the sound may not be recorded. In order to avoid a lot of noise in the recorded video, our engineers adjusted the sound of the software very low, which caused the DVR’s record sound to be relatively small.