Use and Care Manual

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1) When image is stuck, connect the RS-
232 ports on PC and the rear panel of
NVR with the RS-232 cable.
2) Open the Super Terminal, and execute
the command of “ping 192.168.0.0 –l
1472 –f” (the IP address may change
according to the real condition), and
check if there exists packet loss.
Note: Simultaneously press Ctrl and C to exit the
ping command.
2. Verify the network between NVR and PC
is connected.
1) Open the cmd window in the Start
menu, or you can press “windows+R”
shortcut key to open it.
2) Use the ping command to send large
packet to the NVR, execute the
command of “ping 192.168.0.0 –l
1472 –f” (the IP address may change
according to the real condition), and
check if there exists packet loss.
Note: Simultaneously press Ctrl and C
to exit the ping command.
3. Verify the hardware of the PC is good
enough.
Simultaneously press Ctrl, Alt and Delete to
enter the windows task management interface,
as shown in the following gure.
Windows task management interface

Select the “Performance” tab; check
the status of the CPU and Memory.

If the resource is not enough, please
end some unnecessary processes.
4. Check if the fault is solved by the above
steps.
If it is solved, nish the process.
If not, please contact the engineer to do the
further process.

When using the NVR to get the live view
audio, there is no sound or there is too much
noise, or the volume is too low.
Possible Reasons:
a) Cable between the pickup and IPC is not
connected well; impedance mismatches or
incompatible.
b) The stream type is not set as “Video &
Audio”.
c) The encoding standard is not supported
with NVR.
Steps:
1. Verify the cable between the pickup and
IPC is connected well; impedance matches
and compatible.
Log in the IPC directly, and turn the audio on,
check if the sound is normal. If not, please
contact the manufacturer of the IPC.
2. Verify the setting parameters are correct.
Select “Menu > Record > Parameters >
Record”, and set the Stream Type as “Audio
& Video”.
3. Verify the audio encoding standard of the
IPC is supported by the NVR.
NVR supports G722.1 and G711 standards,
and if the encoding parameter of the input
audio is not one of the previous two standards,
you can log in the IPC to congure it to the
supported standard.
4. Check if the fault is solved by the above
steps.
If it is solved, nish the process.
If not, please contact the engineer to do the
further process.

The image gets stuck when NVR is playing
back by single or multi-channel.
Possible Reasons:
a) Poor network between NVR and IPC,
and there exists packet loss during the