Manual

310
Questions
Solutions
NVR can not 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 can not 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 can not 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.