Questions
NVR cannot control PTZ.
I cannot log in client-end or
web.
There is only mosaic no video
when preview or playback
video file remotely.
Network connection is not
stable.
Burn error /USB back error.
Keyboard cannot control NVR.
Reasons
Front panel PTZ error.
●
PTZ decoder setup, connection or installation is not correct.
●
Cable connection is not correct.
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PTZ setup is not correct.
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PTZ decoder and NVR protocol is not compatible.
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PTZ decoder and NVR address is not compatible.
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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.
●
For Windows 98 or Windows ME user, 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. Upgrade display card driver.
●
Network connection error.
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Network setup error.
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Password or username is invalid.
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Client-end is not compatible with NVR program.
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Network fluency is not good.
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Client-end resources are limit.
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Current user has no right to monitor.
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Network is not stable.
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IP address conflict.
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MAC address conflict.
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PC or device network card is not good.
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Burner and NVR are in the same data cable.
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System uses too much CPU resources. Stop record first and
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then begin backup.
Data amount exceeds backup device capacity. It might result
●
in burner error.
Backup device is not compatible.
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Backup device is damaged.
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NVR serial port setup is not correct.
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Address is not correct.
●
When there are several switchers, power supply is not
●
enough.
Transmission distance is too far.
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461
User's Manual