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| Symptoms |
| Resolutions |
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| Audio data recorded | • | Check the audio recording option is correctly set for the camera you wish to |
| with video data is not |
| record audio. |
| playing. | • | Check the speaker and audio (line input) on the rear of system are connected |
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| correctly. |
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| • | Check the connected speaker is working properly. |
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| The colors of some | • | If the camera connected to the system has a problem, make sure that the |
| camera videos are |
| camera is not damaged by trying another camera into a working video output. |
| strange or videos are | • | Check the video format setting of the unit is the same as the connected |
| displayed abnormally. | ||
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| camera’s video format. Depending on your region, the camera’s video format | |
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| can support either PAL or NTSC. Depending on the camera’s video format, the |
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| video process can differ greatly, therefore it can be difficult to recognize the |
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| video data if the video format setting is different from the camera’s video |
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| format. |
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| There is a lot of | • | Check if the video signal output from the camera has a problem. Ensure the |
| (screen) noise |
| camera is not damaged by trying another camera with a working video output. |
| accompanying the | • | Check if the video cable connection between the camera and the DVR is cut, |
| image. | ||
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| crosswired or shorted. | |
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| • | Check if there is a high voltage wire around the video cable connection |
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| between camera and DVR system. It can cause interference and affect video |
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| quality. |
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| • | Check the video cable connection between the camera and the DVR system |
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| is the correct video cable. When a normal |
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| instead of the video cable, screen noise can be generated. |
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| The connected sensor | • | Check the type of sensor in the camera setting is the same as with the con- |
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| nected sensor. | |
| is not operating. |
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| • | Check the system is set to use the sensor in the recording schedule window in |
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| the recording setting menu. |
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| • | Check the sensor is properly connected to the |
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| The connected PTZ | • | Check the system is set to use the PTZ camera in the camera setting menu. |
| camera is not operat- | • | Check the power cable of the PTZ camera is properly connected. |
| ing. | ||
| • | Check the signal cable of the PTZ camera is properly connected. | |
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| • | Check the selected channel to control the PTZ camera. |
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| • | Check the user type. The PTZ camera control is not available for a normal |
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| user. |
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