Dahua NVR41 series, Руководство пользователя

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User's Manual
389
Questions Solutions
NVR cannot control PTZ.
● Front panel PTZ error
● PTZ decoder setup, connection or installation is not
correct.
● Cable connection is not correct.
● PTZ setup is not correct.
● PTZ decoder and NVR protocol is not compatible.
● PTZ decoder and NVR 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.
I cannot log in client-end or
web.
● 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 NVR 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 NVR program.
There is only mosaic no
video when preview or
playback video file remotely.
● Network fluency is not good.
● Client-end resources are limit.
● Current user has no right to monitor.
Network connection is not
stable.
● Network is not stable.
● IP address conflict.
● MAC address conflict.
● PC or device network card is not good.
Burn error /USB back error.
● Burner and NVR 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.
Keyboard cannot control
NVR.
● NVR serial port setup is not correct.
● Address is not correct.
● When there are several switchers, power supply is not
enough.
● Transmission distance is too far.