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www.LaViewSecurity.com 41
1) Whenimageisstuck,connecttheRS-
232 ports on PC and the rear panel of
DVRwiththeRS-232cable.
2) OpentheSuperTerminal,andexecute
thecommandof“ping 192.168.0.0 –l
1472 –f” (the IP address may change
accordingtotherealcondition),and
checkifthereexistspacketloss.
Note: Simultaneously press Ctrl and C toexit the
ping command.
2. Verify the network between DVR and PC
is connected.
1) Open the cmd window in the Start
menu,oryoucanpress“windows+R”
shortcut key to open it.
2) Use the ping command to send large
packettotheDVR,executethe
commandof“ping192.168.0.0–l
1472–f”(theIPaddressmaychange
accordingtotherealcondition),and
checkifthereexistspacketloss.
Note: Simultaneously press Ctrl and C
toexitthepingcommand.
3. Verify the hardware of the PC is good
enough.
Simultaneously press Ctrl,Alt and Delete to
enterthewindowstaskmanagementinterface,
asshowninthefollowinggure.
Windows task management interface
Selectthe“Performance”tab;check
the status of the CPU and Memory.
Iftheresourceisnotenough,please
end some unnecessary processes.
4. Check if the fault is solved by the above
steps.
Ifitissolved,nishtheprocess.
If not, please contact the engineer to do the
further process.
When using the DVR 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) Thestreamtypeisnotsetas“Video&
Audio”.
c) Theencodingstandardisnotsupported
with DVR.
Steps:
1. Verify the cable between the pickup and
IPC is connected well; impedance matches
and compatible.
LogintheIPCdirectly,andturntheaudioon,
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”,andsettheStreamTypeas“Audio
&Video”.
3. Verify the audio encoding standard of the
IPC is supported by the DVR.
DVR supports G722.1 and G711 standards,
and if the encoding parameter of the input
audioisnotoneoftheprevioustwostandards,
youcanlogintheIPCtocongureittothe
supported standard.
4. Check if the fault is solved by the above
steps.
Ifitissolved,nishtheprocess.
Ifnot,pleasecontacttheengineertodothe
further process.
No record le found in the DVR local HDD,
and prompt “No record le found”.
Possible Reasons:
a) Thetimesettingofsystemisincorrect.
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