Digital Video Recorder: User Manual
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Possible reasons are as followed:
Settings: the audio is not chosen.
The according channel is not connected with the video.
10.
The time is wrong.
Possible reasons are as followed:
Setting is wrong.
The battery is in bad connection or the voltage is too low.
The oscillation is damaged.
11.
The DVR cannot control the PTZ.
Possible reasons are as followed:
There is something wrong with the frontal PTZ.
The setting, connection or the installation of the PTZ decoder is not correct.
The connections are not correct.
The PTZ setting of the DVR is not correct.
The protocols of the PTZ decoder and the DVR are not matched.
The address of the PTZ decoder and the DVR are not matched.
When multiple decoders are connected, the far port of the PTZ decoder line A(B) must connect a 120 ohms resistance to reduce the reflection
otherwise the PTZ control is not stable.
The distance is too far.
12.
The motion detect is not working.
Possible reasons are as followed:
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.
13.
I cannot login via web.
Possible reasons are as followed:
The system is Windows 98 or windows me. We recommend updating to Windows 2000sp4 or higher edition or installing the software for low
edition.
ActiveX is hold back.
The edition is not exceeded dx8.1. Update the display card driver.
Network connection failure.
