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17
To guarantee the stability and reliability of the camera signal, the camera should
be installed in a cool, dry place away from direct sunlight, flammable materials,
explosive substances, etc.
The camera and the DVR should have the same grounding to ensure the normal
operation of the camera.
Guarantee stability and reliability of the transmission line
Please use high quality, well shielded BNC cable. Please select suitable BNC
model according to the transmission distance.
If the distance is too long, you should use twisted pair cable. You can add video
compensation DVRs or use optical fiber to ensure video quality.
You should keep the video signal away from the strong electromagnetic
interference, especially power lines.
Keep connection lugs closely contacted.
The signal line and shielded wire should be fixed firmly and in well connection.
Avoid dry joint, lap welding, and oxidation.
3.3.2.2 Video Output Connection Information
Video output includes a BNC (PAL/NTSC1.0VP-P，75Ω）output, a VGA output,
and a HDMI output. The system supports BNC, VGA and HDMI output at the
same time.
When you are using pc monitor, please pay attention to the following points:
• To defer aging, do not allow the pc monitor to run for a long time.
• Regular demagnetization will keep your DVR in proper working
condition.
• Keep it away from strong electromagnetic interference DVRs.
Using a TV as video output DVR is not a reliable substitution method. When using
a TV as a video output DVR, it is advised to turn off the TV from time to time to
ensure its longevity. The use of a low-quality TV may result in the damage of the
DVR.
3.3.3 Audio Input/Output Connections
3.3.3.1 Audio Input Connection Information
The DVR audio input ports uses a BNC type connection.
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