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2)
The stereo equipment is not active.
3)
The audio cable is bad.
4)
Hardware failure.
Q10. There is no sound during playback, but it can make a sound while monitoring.
Possible Reasons:
1)
Setting problem: the audio option is closed.
2)
The corresponding channel is not connected to video.
Q11. NVR displays the wrong time.
Possible Reasons:
1)
Setup error.
2)
Poor contact with battery or low voltage.
3)
Crystal oscillator problem.
Q12. NVR cannot control the IP Dome.
Possible Reasons:
1)
IP Dome failure.
2)
The network environment is relatively poor, or network go offline.
Q13. Motion detection does not work.
Possible Reasons:
1)
Motion detection of remote device is not enabled, or the time period is set
incorrectly.
2)
The setting of motion detection area is inappropriate.
3)
The sensitivity is too low.
4)
The limitation of individual versions of hardware.
Q14. Why can't login to the client or WEB?
Possible Reasons:
1)
Client can't be installed or displayed. If your operating system is win98 or win
me, we recommend upgrading the operating system to win2000sp4 or later, or
installing client software with a lower version.
Network Video Recorder User Manual
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