D V R - 8 2 0 4 / 8 2 0 4 V / 8 2 0 4 S V / 8 2 0 4 T / 8 2 0 4 S T U S E R M A N U A L
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Solution to DVR’s problem
Question: why no pictures display on the monitor?
Answer
：
Check the video output line, does it well-connected? And does the monitor is
AV input?
If the monitor is well-connected, please check whether the main control board is
with power, if not, please checks the adaptor (power) output.
Question: why it shows no signal on the monitor of some channel?
Answer
：
Check the video output line; you can try to insert the line twice. And rectify the
video line
If sometimes there have video, sometimes have no video, that is the problem of
the video output line, you can change another video output line
Question: why have no audio signal
Answer
Check the audio line; you can try to insert the line twice. And rectify the audio
line
If sometimes there have audio, sometimes have no audio, that is the problem of
the audio output line, you can change another audio output line
check does the audio output switch is “ ON”
Check does the video port that corresponding to audio is switch to single
picture display.
Question: why client software can not use
Answer
：
check does the INTERNET SETUP is correct: for example if you choose multi
display protocol, then the IP address of client software and server is using the
same subnet mask and net sect; if you choose UDP protocol, must make sure
the Gateway setup is correct and active.
make sure the IP address is the unique one that on the internet
Question: why the remote controller can not control the menu, while the picture is ok but
can control through the panel menu?
Answer:
That is because the battery with weak eletcricity, you can change another new
