HDD Capacity Calculation 304
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, 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, update your system to
Windows 2000 sp4. Or you can install client-end software of lower
version. Right now, our NVR is not compatible with Windows
VISTA control.
ActiveX control has been disabled.
No dx8.1 or higher. 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. 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.
Alarm signal cannot been
disarmed.
Alarm setup is not correct.
Alarm output has been open manually.
Input device error or connection is not correct.
Some program versions may have this problem. Upgrade your
system.
