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Please use high quality, sound shielded BNC. Please select suitable BNC
model according to the transmission distance.
If the distance is too long, you should use twisted pair cable, and you can
add video compensation devices or use optical fiber to ensure video quality.
You should keep the video signal away from the strong electromagnetic
interference, especially the high tension current.
Keep connection lugs in well contact
The signal line and shielded wire should be fixed firmly and in well
connection. Avoid dry joint, lap welding and oxidation.
Connecting Video Output
Video output includes BNC (CVBS PAL/NTSC, 1.0VP-P, 75Ω), VGA and
HDMI
.
The system supports the three kinds of outputs at the same time.
When you are using PC monitor to replace standard CCTV monitor, please
pay attention to the following points:
• To extend the product’s life, do not run the pc monitor for a long time.
• Regular demagnetization will keep device maintaining proper status.
•
Keep it away from strong electromagnetic interference devices.
Using TV as video output device is not a reliable substitution method. You
also need to reduce the working hour and control the interference from
power supply and other devices. The low quality TV may result in device
damage.
Connecting Audio Input & Output
Audio Input
The four audio input channels are bound to video input channel 1-4.
Use the BNC connector to connect the audio channel.
Due to high impedance of audio input, please use active sound pick-up.
Audio transmission is similar to video transmission. Try to avoid
interference, dry joint, and it shall be away from high tension current