Security Camera King DVR-CVI8240M User Manual page 238


Camera quality is too low. Lens is dirty. Camera is installed against the light.
Camera aperture setup is not correct.

HDD capacity is not enough.

HDD is damaged.
22. Can not playback the downloaded file.
There are following possibilities:

There is no media player.

No DXB8.1 or higher graphic acceleration software.

There is no DivX503Bundle.exe control when you play the file transformed to AVI
via media player.

No DivX503Bundle.exe or ffdshow-2004 1012 .exe in Windows XP OS.
23. Forget local menu operation password or network password
Please contact your local service engineer or our sales person for help. We can guide you
to solve this problem.
24. When I login via HTTPS, a dialogue says the certificate for this website is for
other address.
Please follow chapter 5.8.2.15.1 to create server certificate.
25. When I login via HTTPS, a dialogue says the certificate is not trusted.
Please follow chapter 5.8.2.15.2 to download root certificate.
26. When I login via HTTPS, a dialogue says the certificate has expired or is not
valid yet.
Please make sure your PC time is the same as the device time.
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 front 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.
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