80XX Series H.264 Digital Video Recorder User Manual ………………………………………………….V1.0
52
Is activation of the audio source connected to the video channel? You can
click to full-screen to determine.
The hardware of DVR is fault
8. Question: Why there is no voice when playing back?
Answer:
Setting problem: open audio-video item
Check the audio whether it is closed in playback interface
9. Question: Why the system time is not right?
Answer:
Setting wrong, or users didn’t click “Edit” to make it validity
Battery not connected well
The battery is invalid. Please change one.
10. Question: Why DVR can’t control the PTZ?
Answer:
The front-end PTZ is fault
The PTZ decoder setting, connecting and installing is not correct
The connect is not correct
The PTZ setting of DVR is not correct
The PTZ decoder does not match with the DVR agreement
When connecting multi decoder, 120
Ω
electric resistances should add at
the end of PTZ decoder AB line, or else PTZ will not be stable.
The distance is too far
11. Question: Why the “Stop recording” by the right mouse button does not work,
how to stop recording?
Answer: :
The “Stop recording” by the right mouse button is only suitable for Manual
recording. It can’t stop recording when it’s in “start recording” or the video in
video plan.
If you want to stop recording, please set the time is not recording.
12. Question: How much space of HDD for recording per hour?
