Daily Maintenance - Dahua Technology NVR41H-P Série Manuel D'utilisateur

Questions
I can not connect to the
IPC
After I set the NVR
resolution as 1080P, my
monitor can not display.
My admin account has
been changed and I can
not log in.
After I login the Web, I can
not find the remote
interface to add the IPC.
There is IP and gateway, I
can access the internet
via the router. But I can
not access the internet
after I reboot the NVR.
I use the VGA montior.I
want to know if I use the
multple-window mode, I
see the video from the
main stream or the sub
stream?

Daily Maintenance

 Please use the brush to clean the board, socket connector and the chassis regularly.
 The device shall be soundly earthed in case there is audio/video disturbance. Keep the device away
from the static voltage or induced voltage.
Please unplug the power cable before you remove the audio/video signal cable, RS232 or RS485

cable.
Do not connect the TV to the local video output port (VOUT).It may result in video output circuit.

 Always shut down the device properly. Please use the shutdown function in the menu, or you can
press the power button in the rear pane for at least three seconds to shut down the device.
 Please make sure the IPC has booted up.
 IPC network connection is right and it is online
IPC IP is in the blacklist.

 The device has connected to the too many IPC. It can not transmit
the video.
Check the IPC port value and the time zone is the same as the

NVR.
Make sure current network environment is stable.

Shut down the device and then reboot. When you reboot, please press
the Fn button at the same time and then release after 5 seconds. You
can restore NVR resolution to the default setup.
Use telnet and then input the following command:
cd /mnt/mtd/Config/
rm -rf group
rm -rf password
Reboot the device to restore the default password.
Please clear the Web controls and load again.
Please use command PING to check you can connect to the gateway
or not. Use telnet to access and then use command "ifconfig –a" to
check device IP address. If you see the subnet mask and the gateway
has changed after the reboot. Please upgrade the applications and set
again.
 For 32-channel series product, the 9/16-window is using the sub
stream.
 For 4/8/16 series product, system is using the main stream no
matter you are in what display mode.
Solutions
283