| The screen is black | - Check that the camera is powered up.
- Check that the power supply’s polarity is correct.
- Check that the monitor is powered up.
- Check that the video cable connecting the camera to the monitor is connected properly.
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| The screen image is dim | - Clean the lens using a soft, clean cloth.
- Check that the light source is adequate.
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| The screen has poor contrast | - Adjust the monitor’s contrast knob
- Change the position of the camera
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| The screen image flickers | - Change the position of the camera, check cables and format setting
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| The screen image is distorted. | - Change the position of the camera, check cables and format setting
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| The camera case is hot | - Check that the correct power supply is in use
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| The image is foggy or washed out at night | - Check that there are no objects very close to the camera
- Check that there are no highly reflective objects in the scene
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| IR LEDS do not turn on | - Check that the correct power supply is in use
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