Dahua NVR41 series, User Manual

Page: 405 / 416

User's Manual
391
Questions Solutions
I can not connect to the IPC
● 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
cannot 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.
After I set the NVR resolution
as 1080P, my monitor can
not display.
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.
My admin account has been
changed and I can not log in.
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.
After I login the Web , I can
not find the remote interface
to add the IPC.
Please clear the Web controls and load again.
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. 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.
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?
● 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.
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. Otherwise it may result in HDD malfunction.
● Please make sure the device is away from the direct sunlight or other heating sources.
Please keep the sound ventilation.
● Please check and maintain the device regularly.