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Troubleshooting
Problem
Possible Cause
Nothing appears on the screen
- Check the power connection.
- Check the video signal cable connection to the monitor.
- Check QVR camera settings to verify the video resolution mode of the camera
and QVR match
The video image is dim or not clear.
- If the camera lens is dirty, clean it with a soft, clean cloth.
- Adjust the monitor controls, if necessary.
- If the camera is facing a very strong light, change the camera position.
- Adjust the lens focus.
The screen is dark.
- Adjust the contrast control of the monitor.
- If you have an intermediate device, set the impedance (75 Ω /Hi-Z)
properly, and check the cable connections.
The camera is not working properly and
the surface of the camera is hot.
- Verify that the camera is correctly connected to an appropriate regulated
power source.
The image on the monitor flickers
- Make sure that the camera isn’t facing direct sunlight or fluorescent light.
If necessary,change the camera position.
