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.
Summary of Contents for nvr4208-8p
Page 1: ...Dahua Network Video Recorder User s Manual V 2 7 0 ...
Page 160: ...145 Figure 3 4 3 5 5 NVR41HS W S2 Series Please refer to Figure 3 5 for connection sample ...
Page 171: ...156 Figure 3 18 3 5 19 NVR78 Series Please refer to Figure 3 19 for connection sample ...
Page 172: ...157 Figure 3 19 3 5 20 NVR78 16P Series Please refer to Figure 3 20 for connection sample ...
Page 173: ...158 Figure 3 20 3 5 21 NVR78 RH Series Please refer to Figure 3 21 for connection sample ...
Page 174: ...159 Figure 3 21 3 5 22 NVR70 Series Please refer to Figure 3 22 for connection sample ...
Page 175: ...160 Figure 3 22 3 5 23 NVR70 R Series Please refer to Figure 3 23 for connection sample ...
Page 176: ...161 Figure 3 23 3 5 24 NVR42V 8P Series Please refer to Figure 3 24 for connection sample ...
Page 177: ...162 Figure 3 24 ...
Page 243: ...228 Figure 4 89 Figure 4 90 ...
Page 244: ...229 Figure 4 91 Figure 4 92 ...
Page 259: ...244 Figure 4 110 Figure 4 111 ...
Page 260: ...245 Figure 4 112 Figure 4 113 ...
Page 261: ...246 Figure 4 114 Figure 4 115 ...
Page 263: ...248 Figure 4 117 Figure 4 118 ...
Page 355: ...340 Figure 5 55 Figure 5 56 ...
Page 356: ...341 Figure 5 57 Figure 5 58 Figure 5 59 ...
Page 367: ...352 Figure 5 73 Figure 5 74 ...
