Dahua NVR4204-P-4KS2, User Manual

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387
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.