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Motion detection zone setup is not correct.
Sensitivity is too low.
For some versions, there is hardware limit.
12. Cannot 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
NVS 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 NVS program.
13. 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 NVS. 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.
NVS local video output quality is not good.
14. Network connection is not stable.
There are following possibilities:
Network is not stable.
IP address conflict.
MAC address conflict.
PC or NVS network card is not good.
15. Burn error /USB back error.
There are following possibilities:
Burner and NVS are in the same data cable.
System uses too much CPU resources. Please stop record first and then begin backup.
Data amount exceeds backup device capacity. It may result in burner error.
Backup device is not compatible.
Backup device is damaged.
16. Keyboard cannot control NVS.
There are following possibilities:
NVS serial port setup is not correct
Address is not correct