Dahua NVR52-16P-4KS2 Series, User Manual

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User's Manual
423
Questions Solutions
NVR cannot control PTZ.
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Front panel PTZ error
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PTZ decoder setup, connection or installation is not
correct.
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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.
I cannot log in client-end or
web.
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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.
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ActiveX control has been disabled.
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No dx8.1 or higher. Upgrade display card driver.
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Network connection error.
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Network setup error.
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Password or user name is invalid.
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Client-end is not compatible with NVR program.
There is only mosaic no video
when preview or playback
video file remotely.
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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.
Network connection is not
stable.
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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.
Burn error /USB back error.
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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
then begin backup.
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Data amount exceeds backup device capacity. It might
result in burner error.
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Backup device is not compatible.
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Backup device is damaged.
Keyboard cannot control NVR.
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NVR serial port setup is not correct.
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Address is not correct.
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When there are several switchers, power supply is not
enough.
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Transmission distance is too far.