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PTZ decoder and DVR address is not compatible.
When there are several decoders, please add 120 Ohm between the PTZ decoder A/B
cables furthest end to delete the reverberation or impedance matching. Otherwise the
PTZ control is not stable.
The distance is too far.
12. Motion detection function does not work.
There are following possibilities:
Period setup is not correct.
Motion detection zone setup is not correct.
Sensitivity is too low.
For some versions, there is hardware limit.
13. Can not log in client-end or web.
There are following possibilities:
For Windows 98 or Windows ME user, please update your system to Windows 2000
sp4. Or you can install client-end software of lower version. Please note right now, our
DVR is not compatible with Windows VISTA control.
ActiveX control has been disabled.
No dx8.1 or higher. Please upgrade display card driver.
Network connection error.
Network setup error.
Password or user name is invalid.
Client-end is not compatible with DVR program.
14. There is only mosaic no video when preview or playback video file remotely.
There are following possibilities:
Network fluency is not good.
Client-end resources are limit.
There is multiple-cast group setup in DVR. This mode can result in mosaic. Usually we
do not recommend this mode.
There is privacy mask or channel protection setup.
Current user has no right to monitor.
DVR local video output quality is not good.
15. Network connection is not stable.
There are following possibilities:
Network is not stable.
IP address conflict.
MAC address conflict.
PC or DVR network card is not good.
16. Burn error /USB back error.
There are following possibilities:
Burner and DVR are in the same data cable.
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